Fluke Corporation Fluke 125 Industrial ScopeMeter Manual

Fluke Corporation Fluke 125 Industrial ScopeMeter Manual
®
Fluke 123/124
Industrial ScopeMeter
Users Manual
GB
Sep 2002, Rev. 4, 09/2009
© 2002, 2005, 2007, 2008, 2009 Fluke Corporation. All rights reserved.
All product names are trademarks of their respective companies.
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LIMITED WARRANTY & LIMITATION OF LIABILITY
Each Fluke product is warranted to be free from defects in material and workmanship under normal use and service. The warranty period is three years for the
120 Series Test Tool and one year for its accessories. The warranty period begins on the date of shipment. Parts, product repairs and services are warranted
for 90 days. This warranty extends only to the original buyer or end-user customer of a Fluke authorized reseller, and does not apply to fuses, disposable
batteries or to any product which, in Fluke's opinion, has been misused, altered, neglected or damaged by accident or abnormal conditions of operation or
handling. Fluke warrants that software will operate substantially in accordance with its functional specifications for 90 days and that it has been properly
recorded on non-defective media. Fluke does not warrant that software will be error free or operate without interruption.
Fluke authorized resellers shall extend this warranty on new and unused products to end-user customers only but have no authority to extend a greater or different
warranty on behalf of Fluke. Warranty support is available if product is purchased through a Fluke authorized sales outlet or Buyer has paid the applicable
international price. Fluke reserves the right to invoice Buyer for importation costs of repair/replacement parts when product purchased in one country is submitted for
repair in another country.
Fluke's warranty obligation is limited, at Fluke's option, to refund of the purchase price, free of charge repair, or replacement of a defective product which is returned to
a Fluke authorized service center within the warranty period.
To obtain warranty service, contact your nearest Fluke authorized service center or send the product, with a description of the difficulty, postage and insurance
prepaid (FOB Destination), to the nearest Fluke authorized service center. Fluke assumes no risk for damage in transit. Following warranty repair, the product will be
returned to Buyer, transportation prepaid (FOB Destination). If Fluke determines that the failure was caused by misuse, alteration, accident or abnormal condition of
operation or handling, Fluke will provide an estimate of repair costs and obtain authorization before commencing the work. Following repair, the product will be
returned to the Buyer transportation prepaid and the Buyer will be billed for the repair and return transportation charges (FOB Shipping Point).
THIS WARRANTY IS BUYER'S SOLE AND EXCLUSIVE REMEDY AND IS IN LIEU OF ALL OTHER WARRANTIES, EXPRESS OR IMPLIED, INCLUDING BUT
NOT LIMITED TO ANY IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. FLUKE SHALL NOT BE LIABLE FOR ANY
SPECIAL, INDIRECT, INCIDENTAL OR CONSEQUENTIAL DAMAGES OR LOSSES, INCLUDING LOSS OF DATA, WHETHER ARISING FROM BREACH OF
WARRANTY OR BASED ON CONTRACT, TORT, RELIANCE OR ANY OTHER THEORY.
Since some countries or states do not allow limitation of the term of an implied warranty, or exclusion or limitation of incidental or consequential damages, the
limitations and exclusions of this warranty may not apply to every buyer. If any provision of this Warranty is held invalid or unenforceable by a court of competent
jurisdiction, such holding will not affect the validity or enforceability of any other provision.
Fluke Corporation, P.O. Box 9090, Everett, WA 98206-9090 USA, or
Fluke Industrial B.V., P.O. Box 90, 7600 AB, Almelo, The Netherlands
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SERVICE CENTERS
To locate an authorized service center, visit us on the World Wide Web:
http://www.fluke.com
or call Fluke using any of the phone numbers listed below:
+1-888-993-5853 in U.S.A. and Canada
+31-402-675-200 in Europe
+1-425-446-5500 from other countries
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Table of Contents
Chapter
Title
Page
Declaration of Conformity.......................................................................................................
1
Unpacking the Test Tool Kit...........................................................................................
Safely Using the Test Tool.............................................................................................
2
4
Using The Test Tool.....................................................................................................
7
Goal of this Chapter .......................................................................................................
Powering the Test Tool ..................................................................................................
Resetting the Test Tool..................................................................................................
Changing Backlight ........................................................................................................
Reading the Screen .......................................................................................................
Making Selections in a Menu .........................................................................................
Looking at the Measurement Connections.....................................................................
Displaying an Unknown Signal with Connect-and View™ ..............................................
Making Measurements...................................................................................................
Freezing the Screen.......................................................................................................
7
7
8
9
10
11
12
13
14
16
1
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Holding a Stable Reading ..............................................................................................
Making Relative Measurements.....................................................................................
Selecting Auto/Manual Ranges......................................................................................
Changing the Graphic Representation on the Screen....................................................
TrendPlotting a Waveform .............................................................................................
Acquiring the Waveform ................................................................................................
Triggering on a Waveform .............................................................................................
Saving and Recalling a Setup and a Screen..................................................................
Making Cursor Measurements.......................................................................................
Using the 10:1 Probe for High Frequency Measurements. ............................................
Using a Printer ...............................................................................................................
®
Using FlukeView Software ...........................................................................................
2
Maintaining the Test Tool ........................................................................................... 43
About this Chapter .........................................................................................................
Cleaning the Test Tool...................................................................................................
Storing the Test Tool .....................................................................................................
Charging the Rechargeable Battery Pack......................................................................
Keeping Batteries in Optimal Condition .........................................................................
Replacing and Disposing of the Rechargeable Battery Pack .........................................
Using and Adjusting 10:1 Scope Probes........................................................................
Calibrating the Test Tool................................................................................................
Parts and Accessories ...................................................................................................
3
16
17
18
18
22
23
27
32
35
38
39
41
43
43
43
44
45
46
47
49
49
Tips and Troubleshooting........................................................................................... 53
Goal of this Chapter....................................................................................................... 53
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Contents (continued)
Using the Tilt Stand........................................................................................................
Resetting the Test Tool..................................................................................................
Changing the Information Language ..............................................................................
Changing the Display .....................................................................................................
Changing Date and Time ...............................................................................................
Saving Battery Life.........................................................................................................
Changing the Auto Set Options......................................................................................
Using Proper Grounding ................................................................................................
Solving Printing and Other Communication Errors.........................................................
Battery Testing of Fluke Accessories.............................................................................
4
53
54
54
55
56
57
58
59
60
60
Specifications .............................................................................................................. 61
Introduction ....................................................................................................................
Dual Input Oscilloscope .................................................................................................
Dual Input Meter ............................................................................................................
Cursor readout (Fluke 124) ............................................................................................
Miscellaneous ................................................................................................................
Environmental ................................................................................................................
Safety ......................................................................................................................
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61
62
65
68
69
70
70
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Declaration of Conformity
Sample tests
Declaration of Conformity
Standards used:
for
Fluke 123/124
EN 61010-1: 2001
Safety Requirements for Electrical Equipment for
Measurement, Control, and Laboratory Use
ScopeMeter® test tool
Manufacturer
EN61326-1: 2006
Electrical equipment for
measurements and laboratory
use -EMC requirements-
Fluke Industrial B.V.
Lelyweg 14
7602 EA Almelo
The Netherlands
The tests have been performed in a
typical configuration.
Statement of Conformity
Based on test results using appropriate standards,
the product is in conformity with
Electromagnetic Compatibility Directive 2004/108/EC
Low Voltage Directive 2006/95/EC
This Conformity is indicated by the symbol
i.e. “Conformité Européenne”.
,
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Unpacking the Test Tool Kit
Note
The following items are included in your test tool kit. (see
Figure 1.):
#
Description
1
Fluke Test Tool
2
Rechargeable Battery Pack
3
Power Adapter/Battery Charger
4
Shielded Test Leads with Black Ground Leads
5
Test Lead Black (for Grounding)
6
Alligator Clips (red, gray, black)
7
Banana-to-BNC Adapters (black)
When new, the rechargeable battery pack is not
fully charged. See Chapter 2.
Fluke 123
8
Safety Information + CD-ROM with Users Manuals
9
Shipment Box
10
Optically Isolated RS-232/USB Adapter/Cable
11
FlukeView® ScopeMeter® Software for Windows®
12
Hard Carrying Case
13
10:1 Voltage Probe
Fluke 123/S
Fluke 124
Model 123
Model 123
Model 124
Model 124
NiMH
NiMH
NiMH
NiMH
•
•
•
•
•
•
•
•
•
• (1x)
•
•
•
•
•
•
• (2x)
•
•
•
•
•
•
•
•
• (1x)
•
•
2
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•
•
•
•
• (2x)
•
Unpacking the Test Tool Kit
1
10
8
2
3
(2x)
11
4
5
7
*
12
(3x)
6
*
9
Fluke 123/124
: 1x
Fluke 123-S/124-S : 2x
Fluke 123-S/124-S
Fluke 123/124
13
Fluke 124/124-S
Figure 1. ScopeMeter Test Tool Kit
3
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Safely Using the Test Tool
See explanation in
manual
Equal potential inputs
Disposal information
Earth
Recycling information
Conformité
Européenne
Attention
Carefully read the following safety
information before using the test tool.
Safety Precautions
Specific warning and caution statements, where they
apply, will be found throughout the manual.
Do no dispose of this product as unsorted municipal
waste. Go to Fluke’s website for recycling information
A Caution identifies conditions and actions that may
damage the test tool.
Conforms to applicable Canadian and US standards
A Warning identifies conditions and actions that pose
hazard(s) to the user.
Double Insulation
Symbols used on the test tool and in this manual are
explained in the next table.
(Protection Class)
Warning
To avoid electrical shock, use only Fluke
power supply, Model PM8907 (Power
Adapter/Battery Charger).
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UL listed
Safely Using the Test Tool
Warning
Note
Should this test tool be used with AC
coupling selected, or manual operation of
amplitude or time base ranges, the measuring
results displayed on the screen may not be
representative of the total signal. This can
result in the presence of dangerous voltages
of more than 42V peak (30V rms), not being
detected. To guarantee user safety, all signals
should first be measured with DC coupling
selected and in fully automatic mode. This
ensures that the full signal content is
measured.
To accommodate connection to various line
power sockets, the PM8907/808 universal
Battery Charger / Power Adapter is equipped with
a male plug that must be connected to a line cord
appropriate for local use. Since the adapter is
isolated, the line cord does not need to be
equipped with a terminal for connection to
protective ground. Since line cords with a
protective grounding terminal are more commonly
available you might consider using these anyhow.
Warning
Warning
To avoid electrical shock or fire if a Test Tool
input is connected to more than 42 V peak (30
Vrms) or on circuits of more than 4800 VA:
To avoid electrical shock or fire:
• Use only the power supply, Model PM8907
(Battery Charger / Power Adapter).
• Before use check that the selected/indicated
voltage range on the PM8907 matches the
local line power voltage and frequency.
• For the PM8907/808 universal Battery
Charger/Power Adapter use only line cords
that comply with the local safety regulations.
• Use only insulated voltage probes, test leads
and adapters supplied with the Test Tool, or
indicated as suitable for the Fluke 123/124
Test Tool.
• Before use, inspect voltage probes, test leads
and accessories for mechanical damage and
replace when damaged.
• Remove all probes, test leads and
accessories that are not in use.
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• Always connect the battery charger first to
the ac outlet before connecting it to the Test
Tool.
• Do not apply input voltages above the rating
of the instrument. Use caution when using
1:1 test leads because the probe tip voltage
will be directly transmitted to the Test Tool.
• Do not use exposed metal BNC or banana
plug connectors.
• Do not insert metal objects into connectors.
• Always use the Test Tool only in the manner
specified.
Max. Input Voltages
Input A and B directly................................600 V CAT III
Input A and B via BB120...........................300 V CAT III
Input A and B via STL120 .........................600 V CAT III
Max. Floating Voltage
From any terminal to ground .....................600 V CAT III
Measurement Category III refers to distribution level and
fixed installation circuits inside a building.
The terms ‘Isolated’ or ‘Electrically floating’ are used in this
manual to indicate a measurement in which the Test
Tool’s Shielded Banana inputs or banana jack is
connected to a voltage different from earth ground.
The isolated input connectors have no exposed metal and
are fully insulated to protect against electrical shock.
If Safety Features are Impaired
Use of the Test Tool in a manner not specified may
impair the protection provided by the equipment.
Before use, inspect the test leads for mechanical damage
and replace damaged test leads!
Whenever it is likely that safety has been impaired, the
Test Tool must be turned off and disconnected from the
line power. The matter should then be referred to qualified
personnel. Safety is likely to be impaired if, for example,
the Test Tool fails to perform the intended measurements
or shows visible damage.
Voltage ratings are given as “working voltage”. They
should be read as Vac-rms (50-60 Hz) for AC sinewave
applications and as Vdc for DC applications.
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Chapter 1
Using The Test Tool
Goal of this Chapter
This Chapter provides a step-by-step introduction to the
test tool. The introduction does not cover all of the
capabilities of the test tool but gives basic examples to
show how to use the menus perform basic operations.
Powering the Test Tool
Follow the procedure (step 1 to 3) in Figure 1-1 to power
the test tool from a standard ac outlet. See Chapter 2 for
battery power instructions.
Figure 1-1. Powering the Test Tool
Turn the test tool on.
The test tool powers up in its last setup configuration.
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Resetting the Test Tool
If you want to restore the test tool settings as delivered from
the factory, do the following:
c
Turn the test tool off.
d
Press and hold.
e
Press and release.
The test tool turns on, and you should hear a double beep,
indicating the Reset was successful.
f
Fluke 123
Release.
Fluke 124
Now look at the display; you will see a screen that looks
like Figure 1-2.
The F4 key of Fluke 123 is used to control the contrast; in
Fluke 124 this key is used to switch the cursors on.
Figure 1-2. The Screen After Reset
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Using The Test Tool
Changing Backlight
Changing Backlight
1
In Fluke 124, do the following:
After power-up, the screen has a high bright display.
c
To save battery power, the screen has an economic
brightness display when operated on the battery pack (no
power adapter connected).
Press to get access to the display
functions.
d
Select LIGHT
e
Dim or brighten the backlight.
Note
Using dimmed display lengthens maximum
battery power operation time.
To change the brightness of the display in Fluke 123, do
the following:
c
Dim the backlight.
d
Brighten the backlight again.
The high brightness increases when you connect the
power adapter.
.
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Reading the Screen
The screen is divided into three areas: Reading area,
Waveform area, and Menu area. Refer to Figure 1-3
during the following.
Reading area (A): Displays the numeric readings.
Because only input A is on, you will see the input A
readings only.
Waveform area (B): Displays the input A waveform. The
bottom line displays the ranges/div and the power indicator
(line or battery). Because only input A is on, you will see
the input A waveform only.
Note
When battery powered, the battery indicator
informs you about the condition of the battery
from full to empty:
.
Fluke 123
Menu area (C): Displays the menu that provides choices
available through the blue function keys.
Fluke 124
Figure 1-3. The Screen Area's
When you change a setup, a part of the screen is used to
display the choices. The area displays one or more menus
with choices accessed with the arrow keys:
.
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Using The Test Tool
Making Selections in a Menu
Making Selections in a Menu
1
Figure 1-4 shows the basic navigation of the test tool.
Subsequently follow steps c to f to open a menu and to
choose an item.
c
Press the SCOPE MENU key to
open the Scope menu.
Note
Pressing the MENU key a second time closes
this menu and resumes normal measurement.
This toggling enables you to check the menu
without destroying your settings.
Figure 1-4. Basic Navigation
Note
d
Use the blue arrow keys to
highlight the item.
e
Press the blue ‘ENTER’ function
key to confirm selection
f
Press ‘ENTER’ until you return to
normal mode.
When you do not change an item with the blue
arrow keys, repeatedly pressing
enables
you to step through a menu without changing the
setup of the test tool.
Gray text in a menu or button bar indicates that
the function is disabled or the status is not valid.
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Looking at the Measurement
Connections
Look at the top of the test tool. The test tool provides two
4-mm safety shielded banana jack inputs (red input A and
gray input B) and a black safety 4-mm banana jack input
(COM). (See Figure 1-5.)
Figure 1-5. Measurement Connections
Input A
You can always use the red input A for all single input
measurements possible with the test tool.
Input B
For measurements on two different signals you can use
the gray input B together with the red input A .
COM
You can use the black COMmon as single ground for low
frequency measurements, and for Continuity, Ohm (Ω),
Diode, and Capacitance measurements.
Warning
To avoid electrical shock or fire, use only one
(common) connection, or ensure that
COM
all connections to COM
are at the same
potential.
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Using The Test Tool
Displaying an Unknown Signal with Connect-and View™ (Auto Set)
1
Displaying an Unknown Signal with
Connect-and View™ (Auto Set)
The Connect-and-View™ function enables hands-off
operation to display complex unknown signals. This
function optimizes the position, range, time base, and
triggering and assures a stable display on nearly all
waveforms. If the signal changes, the setup will track
these changes.
To enable the Connect-and-View™ function, do the
following:
•
Connect the red test lead from red input A to the
unknown signal to be measured .
Press to select the AUTO
(Automatic) or the MANUAL
mode (toggle function).
Figure 1-6. The Screen After an Auto Set
In the next example, the screen displays “1.411” in large
numbers and “-0.103” in smaller numbers. A scope trace
gives a graphical representation of the waveform.
The trace identifier (A) is visible at the left side of the
waveform area. The zero icon ( ) identifies the ground
level of the waveform.
-
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Making Measurements
The reading area displays the numeric readings of the
chosen measurements on the waveform that is applied to
the input jack.
•
First connect the red shielded test lead from input A,
and the gray shielded test lead from input B to the
signals to be measured. Connect the short ground
leads to the same ground potential. (See Figure 1-7.)
Note
For Ohm (Ω), continuity, diode, and capacitance
measurements, use the red shielded test lead
from input A and the black unshielded ground
lead from COM (common). (See Figure 1-7.)
Figure 1-7. Measurement Setup
d
Highlight Hz.
e
Select Hz.
To choose a frequency measurement for Input A, do the
following:
c
Open the INPUT A menu.
Observe that Hz is now the main reading. The former main
reading has now moved to the smaller secondary reading
position. (See Figure 1-8.)
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Using The Test Tool
Making Measurements
To choose also a Peak-to-Peak measurement for Input B,
do the following:
c
Open the INPUT B menu.
h
Highlight PEAK-PEAK.
i
Accept the pk-pk measurement.
1
Now, you will see a screen like Figure 1-8.
d
Highlight ON.
e
Turn Input B on. Observe that the
highlight jumps to the present
main measurement.
f
Highlight PEAK...
g
Open the PEAK submenu.
Figure 1-8. Hz and Vpp as Main Readings
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Freezing the Screen
Holding a Stable Reading
You can freeze the screen (all readings and waveforms) at
any time.
The Touch Hold® function captures a stable main (large)
reading on the display. When a new stable reading is
detected, the test tool beeps and displays the new
reading.
c
d
Freeze the screen. HOLD
appears at the bottom of the
reading area.
Resume your measurement.
Use the following procedure for the Touch Hold function:
c
Open the INPUT A menu.
d
TOUCH HOLD OFF appears on
bottom of the screen.
e
Measure the signal.
f
BEEP)))
Wait until an audible beep: now
you have a stable display.
The screen continues to update
with valid readings (and beeps) as
longs as you maintain the
measurement connections.
Because no special keys accompany the Touch Hold
function, you can use this function for hands-free
measurements.
g
Return to normal measurement.
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Using The Test Tool
Making Relative Measurements
1
Making Relative Measurements
Zero Reference displays the present measurement result
with respect to the defined value. This feature is useful
when you need to monitor the measured value in relation
to a known good value.
c
Open the INPUT A menu.
d
Open the METER A OPTIONS
submenu.
e
Figure 1-9. Making a Relative Measurement
(2x)
Jump to ZERO REF.
f
Highlight ON.
g
Activate the relative
measurement.
The relative measurement now becomes the main
reading, while the former main measurement has moved
to the smaller secondary reading position. (See Figure
1-9.)
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Selecting Auto/Manual Ranges
Press
to automatically adjust the position, range,
time base, and triggering (Connect-and-View). This
assures a stable display on nearly all waveforms. The
bottom line shows the range, the time base for both inputs,
and the trigger information. AUTO appears at the bottom
of the reading area.
Press
a second time to select the manual range.
MANUAL appears at the bottom of the reading area.
Observe that AUTO at the bottom of the reading area
disappears to indicate that the continuous Auto Set
function is not valid anymore.
Changing the Time Base
c
Increase the number of periods.
d
Decrease the number of periods.
Available settings are from 20 ns/div (Fluke 123) or 10
ns/div (Fluke 124) to 5 s/div in normal mode.
Changing the Graphic Representation
on the Screen
From Auto range, you can use the light-gray rocker keys to
change the graphic representation on the screen
manually. This will turn off the Connect-and-View function!
Observe that AUTO at the bottom of the reading area
disappears.
Changing the Amplitude
c
Enlarge the waveform.
d
Reduce the waveform.
Available settings are from 5 mV/div to 500 V/div when
using the test leads.
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Using The Test Tool
Changing the Graphic Representation on the Screen
1
Positioning the Waveform on the Screen
Considerable flexibility is offered in moving the
waveform(s) around the screen.
c
Press until you have left any open
menu. Observe that the following
main menu appears on bottom of
the screen.
d
Choose A MOVE.
e
Position the waveform of INPUT
A on the screen.
Waveform positioning is demonstrated in Figure 1-10.
Observe that the trigger identifier ( ) moves horizontally
on the screen.
Figure 1-10. Positioning the Waveform
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Smoothing the Waveform
To smooth the waveform, do the following:
c
Open the SCOPE INPUTS menu.
d
Open the SCOPE OPTIONS
submenu.
e
Jump to WAVEFORM MODE.
f
Highlight SMOOTH.
g
Accept waveform smooth.
You can use waveform smooth to suppress noise without
loss of bandwidth. Waveform samples with and without
smoothing are shown in Figure 1-11.
Figure 1-11. Smoothing the Waveform
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Using The Test Tool
Changing the Graphic Representation on the Screen
1
Displaying the Envelope of a Waveform
The test tool records the envelope (minimum and
maximum) of the live waveforms A and B.
Repeat the first three actions of ‘Smoothing the
Waveform’, and then do the following:
f
Highlight ENVELOPE.
g
Start monitoring the envelope of
the waveform.
The screen shows the resultant envelope in a gray
waveform. See Figure 1-12.
You can use ENVELOPE to observe variations in time or
amplitude of input waveforms over a longer period of time.
Figure 1-12. Displaying the Envelope of a Waveform
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TrendPlotting a Waveform
The TrendPlot™ function plots a graph derived from the
MAIN (large) readings in the SCOPE mode or in the
METER mode as a function of time. The secondary (small)
reading shows: the average (AVG) reading and the date
and time, or the minimum (MIN) or the maximum (MAX)
reading since the TrendPlot start and the date and time
of the most recent change.
Starting a TrendPlot™ function
c
Open the INPUT A menu.
d
Start TRENDPLOT.
The test tool records the minimum (MIN) reading as the
main (upper displayed) measurement of input A. The date
and time stamp appear below the MIN reading. (See
Figure 1-13.)
The test tool also continuously logs all readings to memory
and displays these as graphs. Automatic vertical scaling
and horizontal time compression resizes the TrendPlot to
fit on the screen. The TrendPlot is built up on the screen
from left to right until the screen is full. The automatic time
scaling then compresses this information to about half the
screen.
Figure 1-13. TrendPlot Reading
Note
When a new minimum value is detected , a beep
occurs and the new minimum is displayed.
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Using The Test Tool
Acquiring the Waveform
Changing the TrendPlot Reading
Acquiring the Waveform
To toggle the TrendPlot reading between MIN (minimum),
MAX (maximum), and AVERAGE, do the following:
Making a Single Acquisition
e
Change MIN into MAX reading.
f
Change MAX into AVG reading.
Note that the date and time stamp now updates
continuously to indicate the most recent change in a
reading.
Turning Off the TrendPlot Display
g
1
To catch single events, you can perform a single shot.
(One time screen update.) To set up the test tool for a
single shot on the input A waveform, do the following:
•
Connect the probe to the signal to be measured.
c
Open the SCOPE INPUTS menu.
d
Open the SCOPE OPTIONS
submenu.
e
Highlight SINGLE SHOT.
Turn TrendPlot off again.
f
(2x)
Accept the set up for a Single
Shot.
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g
Wait appears on bottom of the
screen to indicate that the test
tool is waiting for a trigger.
h
Run appears on bottom of the
screen when the single
acquisition is triggered.
i
Hold appears on bottom of the
screen when the single
acquisition has been completed.
The test tool will now have a screen like Figure 1-14.
To perform a next single acquisition, do the following:
Wait for another single acquisition
trigger.
Figure 1-14. Making a Single Acquisition
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Using The Test Tool
Acquiring the Waveform
1
Recording Slow Signals over a Long Period of
Time
The roll mode function supplies a visual log of waveform
activity and is especially useful when you measure lower
frequency waveforms.
c
Open the SCOPE INPUTS menu.
d
Open the SCOPE OPTIONS
submenu.
e
Highlight ROLL MODE.
f
(2x)
Figure 1-15. Recording Waveforms over Longer Period
of Time
Start Recording.
The waveform moves across the screen from right to left
like a normal chart recorder. Observe that during recording
no measurements are made. (See Figure 1-15.)
g
Freeze Recording.
Observe that the measurement values are only displayed
after
is pressed. (See figure 1-15.)
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Selecting AC-Coupling
Use AC-coupling when you wish to observe a small AC
signal that rides on a DC signal.
Reversing the Polarity of the Displayed
Waveform
To invert the input A waveform, do the following:
c
Open the SCOPE INPUTS menu.
c
Open the SCOPE INPUTS menu.
d
Highlight AC.
d
Select NORMAL (of INPUT A).
Accept AC-coupling for INPUT A.
e
Highlight INVERT.
e
(4x)
f
(3x)
Accept inverted waveform display.
For example, a negative-going waveform is displayed as
positive-going, providing a more meaningful viewing
perspective in some cases. An inverted display is
identified by trace identifier A on left of the waveform
area.
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Using The Test Tool
Triggering on a Waveform
Triggering on a Waveform
Triggering tells the test tool when to begin displaying the
waveform. You can select which input signal should be
used, on which edge this should occur, and you can define
the condition for a new update of the waveform. You can
set up the test tool to trigger on video signals.
e
Adjust the Trigger Level
continuously. Observe the trigger
icon on the second time division
line indicates the trigger level.
f
Trigger on either positive Slope or
negative Slope of the chosen
waveform.
The bottom line of the waveform area identifies the trigger
parameters being used. Trigger icons on the screen
indicate the trigger level and slope. (See Figure 1-16.)
1
Setting Trigger Level and Slope
c
Perform an AUTO SET.
For quick operation, use the AUTO SET key to
automatically trigger on nearly all signals. To optimize
trigger level and slope manually, do the following:
c
Press until you have left any open
menu.
d
Enable the arrow keys for Trigger
Level and Slope adjustment.
Figure 1-16. Screen with all Trigger Information
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Selecting the Trigger Parameters
j
Accept all trigger selections and
return to normal measurement.
To trigger on the input A waveform, with automatic screen
update, and to configure the auto range triggering for
waveforms down to 1 Hz, do the following:
c
Open the SCOPE INPUTS menu.
d
Open the TRIGGER submenu.
Note
Setting the automatic triggering to >1Hz will slow
down the auto range.
TRIG:A appears in gray text on bottom of the screen when
no trigger is found.
Note
Gray text in a menu or button bar indicates that
the function is disabled or the status is not valid.
e
Highlight Input ‘A’.
FREE RUN: the test tool automatically updates the trace
even if there are no triggers.
f
Select Input ‘A’.
g
Highlight FREE RUN.
ON TRIG: the screen is updated only when valid triggers
occur.
h
Select FREE RUN.
i
Highlight >1 Hz
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Using The Test Tool
Triggering on a Waveform
Triggering on Video Signals
Isolated Triggering
Use the optically isolated trigger probe (ITP120, optional)
to trigger on an external source, and to isolate the test tool
from a trigger waveform. See Figure 1-17.
To choose the isolated trigger probe, select ‘EXT’ in point
f of the previous example. Trigger level is fixed and is
TTL compatible.
Figure 1-17. Isolated Triggering
1
•
Apply an interlaced video signal to the red input A.
To trigger on a random video line, continue from point d
of the previous example as follows:
e
Highlight VIDEO on A.
f
Open the VIDEO TRIGGER
submenu.
g
Highlight PAL.
h
Select PAL.
i
Highlight RANDOM.
j
Select RANDOM.
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k
Highlight POSITIVE.
l
Accept the video trigger
selections .
Trigger level and slope are now fixed. (See Figure 1-18.)
Positive video is indicated as a “+” icon on bottom of the
screen.
Figure 1-18. Measuring Video Signals
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Using The Test Tool
Triggering on a Waveform
1
Triggering on a Specific Video Line
To view a specific video line in more detail you can select
the line number. To measure on a selected video line,
continue from point h of the previous example as follows:
i
Highlight SELECT
j
Select SELECT
k
Highlight POSITIVE.
l
Accept the video trigger
selections .
Pressing
selects the line number function.
To choose line 135, do the following:
c
Enable video line selection.
d
Select number 135.
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Saving and Recalling a Setup and a
Screen
d
Open the SAVE ... submenu.
You can save Screens and Setups to memory, and recall
them again for later use. Fluke 123 has 10 memories while
Fluke 124 has 20 memories. In each memory you can
save a screen and the related settings.
Saving Screens with Belonging Setups
To save a screen and setups in e.g. memory location 7, do
the following:
c
Note that free memory locations are indicated by an open
square (‡) in front of the memory number.
e
Highlight memory location 7.
f
Save the actual screen and
settings.
Open the SAVE/PRINT menu.
Observe that SAVE ... is already
highlighted and that the screen is
frozen until you leave the
SAVE/PRINT menu again.
The actual screen and settings are saved in memory
location 7 and the instrument returns to normal signal
acquisition again.
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Using The Test Tool
Saving and Recalling a Setup and a Screen
Recalling Screens and Setups
f
Highlight memory 7.
g
View the saved screen and
belonging settings.
1
To recall a screen and setups, do the following:
c
Open the SAVE/PRINT menu.
d
Highlight RECALL ...
e
Open the RECALL ... submenu.
Observe that the recalled waveform is displayed and that
HOLD appears on the screen. From this point you can use
cursors for analysis or you can print the recalled screen.
The instrument returns to signal acquisition if you press
the HOLD/RUN key. The settings such as stored in
memory location 7 are used then.
Already filled memory locations
are indicated with a closed square
(„).
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Deleting Screens and Associated Setups
To delete all or just 1 screen + setups, do the following:
c
Open the SAVE/PRINT menu.
If you want to clear all memory locations, press F3
DELETE ALL. If you want to clear just 1 memory location
(e.g. memory 7), do the following:
d
Highlight DELETE ...
e
Open the DELETE ... submenu.
Observe that the settings and
date/time of creation of the
waveform in memory 7 are
displayed now.
g
The contents of memory 7 are
deleted and the instrument
returns to normal signal
acquisition.
Filled memory locations are
indicated with a closed square.
f
Highlight memory 7.
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Using The Test Tool
Making Cursor Measurements
Making Cursor Measurements
1
Note
Fluke 124 has cursors. Cursors allow you to make precise
digital measurements on waveforms.
Even when the key labels are not displayed at the
bottom of the screen, you can still use the arrow
keys.
Using Horizontal Cursors on a Waveform
To use the cursors for a voltage measurement, do the
following:
c
From Scope mode, display the
Cursor Key functions.
d
Press to highlight . Observe
that two horizontal cursor lines
are displayed.
e
Highlight the upper cursor.
f
Move the upper cursor to the
desired position on the screen.
g
Highlight the lower cursor.
h
Move the lower cursor to the
desired position on the screen.
Figure 1-19. Voltage Measurement with Cursors
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The readout shows the voltage difference between the two
cursors and the voltages at the cursors in relation to the
zero icon (-). See Figure 1-19).
Use horizontal cursors to measure the amplitude, high and
low value, or overshoot of a waveform.
g
Move the left cursor to the desired
position on the waveform.
h
Highlight the right cursor.
i
Move the right cursor to the
desired position on the waveform.
Using Vertical Cursors on a Waveform
To use the cursors for a time measurement, do the
following:
c
From Scope mode, display the
Cursor Key functions.
d
Press to highlight . Observe
that two vertical cursors are
displayed. Markers (-) identify the
point where the cursors cross the
waveform.
e
If necessary, choose the trace A
or B.
f
Highlight the left cursor.
Figure 1-20. Time Measurement with Cursors
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Using The Test Tool
Making Cursor Measurements
The readout shows the time difference ‘t’ between the
cursors and the voltage difference between the two
markers (See Figure 1-20).
The signal frequency is displayed behind 1/t if exactly 1
signal period is between the cursors.
g
Highlight the other cursor.
h
Move the lower cursor to 0% of
the trace height. A marker is
shown at 10%.
1
Making Rise Time Measurements
To measure rise time, do the following:
c
From Scope mode, display the
Cursor Key functions.
d
Press to highlight (rise time).
Observe that two horizontal
cursors are displayed.
e
If only one trace is displayed,
select MANUAL or AUTO. AUTO
automatically does steps 4 to 6.
For multiple traces select the
required trace A or B.
f
Move the upper cursor to 100% of
the trace height. A marker is
shown at 90%.
Figure 1-21. Risetime Measurement with Cursors
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The reading now shows the risetime from 10%-90% of the
trace amplitude and the voltage at the cursors in relation to
the zero icon (-). See Figure 1-21.
i
Turn off the cursors.
Using the 10:1 Probe for High Frequency
Measurements.
Fluke 124 is supplied with a model VP40 10:1 Probe. Use
of this Probe is recommended when you measure high
frequency signals in circuits with a high impedance. The
loading of the circuit by a 10:1 Probe is much lower than
that of a 1:1 Shielded Test Lead.
Probe Attenuation and Probe Adjustment must be
observed when using a 10:1 Probe.
Probe Attenuation.
The Probe attenuates the signal 10 times. Proceed as
follows to adapt the Test Tool’s voltage readout to this
attenuation. The example below is for a Probe connected
to input B:
c
Open the Scope menu.
d
Open the Probes menu.
e
Select PROBE on B ...
f
Press ENTER
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Using The Test Tool
Using a Printer
g
Select 10:1 V
h
Press ENTER to confirm the
selection.
1
Using a Printer
To print a (graphic) hard copy of the present screen, you
need to use one of the following:
Observe that the 10 times attenuation of the Probe is
compensated in the voltage readout.
Probe Adjustment.
The Probe of model VP40 such as supplied with the Test
Tool is always adapted correctly to its inputs: high
frequency adjustment is not necessary.
Other 10:1 Probes however must be adjusted for optimal
High Frequency performance. How to adjust these Probes
is explained in Chapter 2 under ‘Using and Adjusting 10:1
Scope Probes’.
z
The Optically Isolated RS-232 Adapter/Cable
(PM9080, optional) to connect a serial printer to the
OPTICAL PORT of the test tool. See Figure 1-22.
z
The Print Adapter Cable (PAC91, optional) to connect
a parallel printer to the OPTICAL PORT of the test
tool. See Figure 1-23.
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This example covers how to set up the test tool to print on
a HP Deskjet printer with a baudrate of 9600 baud:
Figure 1-22. Connecting a Serial Printer
Figure 1-23. Connecting a Parallel Printer
c
Open the SAVE&PRINT menu.
Observe that the screen is
freezed.
d
Open the PRINTER SETUP
submenu.
e
Highlight DESKJET.
f
Select DESKJET.
g
Highlight 9600.
h
Accept the print selections.
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Using The Test Tool
Using FlukeView® Software
Now you are ready to print.
Using FlukeView® Software
To print a live screen, do the following:
i
Open the SAVE&PRINT menu.
To connect the test tool to a computer for using the
FlukeView software for Windows® (SW90W), do the
following:
j
Start printing.
z
To print a recalled screen, do the following:
k
Start printing.
A message that indicates that the test tool is printing
appears on bottom of the screen.
1
Use the Optically Isolated RS-232/USB Adapter/Cable
(OC4USB) to connect a computer to the OPTICAL
PORT of the test tool. See Figure 1-24.
For all information relating to installing and using the
FlukeView ScopeMeter software, see the SW90W Users
Manual.
A Software & Cable Carrying Case Kit is optional available
as model number SCC 120.
Note:
Printers must be compatible with the HP PCL or
EPSON protocol.
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Figure 1-24. Connecting a Computer
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Chapter 2
Maintaining the Test Tool
About this Chapter
Cleaning the Test Tool
This chapter covers basic maintenance procedures that
can be performed by the user. For complete service,
disassembly, repair, and calibration information, see the
Service Manual. You will find the part number of the
Service Manual in the section ‘Parts and Accessories’ in
this manual.
Clean the test tool with a damp cloth and a mild soap to
avoid abrasion of text on the test tool. Do not use
abrasives, solvents, or alcohol.
Storing the Test Tool
If you are storing the test tool for an extended period of
time, charge the rechargeable battery pack before storing.
It is not necessary to remove the battery pack.
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Charging the Rechargeable Battery Pack
At delivery, the batteries may be empty and must be
charged to fill them completely. Charging time is 7 hours
(test tool is off). When fully charged, the batteries typically
provide 6 hours of use at full brightness. Operating time is
extended at normal brightness.
When battery powered, the battery indicator on the bottom
of the screen informs you about the condition of the
battery. The battery symbols are:
. The
battery symbol
indicates that there are typically five
minutes of operating time left.
Use the setup as shown in Figure 2-1 to charge the battery
pack and power the instrument.
Turn the test tool off to charge the batteries more quickly.
Figure 2-1. Charging the Battery Pack
Note
The test tool uses a trickle charge for the
batteries, so no damage can occur if you leave it
charging for long periods, e.g., through the
weekend.
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Maintaining the Test Tool
Keeping Batteries in Optimal Condition
Keeping Batteries in Optimal Condition
Always operate the test tool on batteries until an
-icon
appears on the bottom line of the screen. This indicates
that the battery level is low and that the batteries need to
be recharged.
Frequent charging of the batteries when they are not
completely empty can reduce the operating time for the
test tool.
2
To refresh the battery pack, do the following:
•
Be sure that the test tool is line powered.
c
Open the USER OPTIONS menu.
d
Open the BATTERY REFRESH
submenu.
e
Highlight START REFRESH.
f
Start the refresh cycle.
You can refresh the battery pack at any time. This battery
refresh cycle fully discharges and charges the battery pack.
A complete refresh cycle takes about 20 hours and should
be done at least four times a year.
Note
Be sure not to disconnect the Power Adapter
during the complete refresh cycle. Doing so will
interrupt the refresh cycle.
Note
After start of the refresh cycle, the screen will be
black.The backlight is on during discharging
within the refresh cycle.
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Replacing and Disposing of the
Rechargeable Battery Pack
Warning
To avoid electrical shock, remove the test
leads and probes before replacing the battery
pack.
Note
This instrument contains Ni-MH batteries. Do not
dispose of this battery pack with other solid
waste. Used batteries should be disposed of by a
qualified recycler or hazardous materials handler.
Contact your authorized FLUKE Service Center
for recycling information.
To replace the battery pack, do the following: (See Figure
2-2.)
1.
Disconnect the test leads and probes both at the source
and at the test tool.
2.
Power the test tool with the Power Adapter.This
ensures information stored in memories will not be lost.
3.
Locate the battery access cover on the bottom rear.
Loosen the screw with a flat-blade screwdriver.
Figure 2-2. Replacing the Battery Pack
4.
Lift the battery access cover away from the test tool.
5.
Take the battery pack out of the battery compartment.
6.
Remove the battery plug from the connector.
7.
Install a new battery pack.
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Maintaining the Test Tool
Using and Adjusting 10:1 Scope Probes
adapter (delivered with the probe) and the banana-toBNC adapter (BB120). See Figure 2-3.
Note
Ensure that the battery pack is placed in the
battery compartment as shown in Figure 2-2.
8.
2
Reinstall the battery cover and secure the screw.
Using and Adjusting 10:1 Scope Probes
Note
The 10:1 voltage probe VPS40 that is supplied
with Fluke 124 is always adjusted correctly to the
Test Tool and needs no further adjustment.
You need to adjust other scope probes for optimal
response.
BB120
Warning
To avoid electrical shock use the BB120
Banana-to-BNC adapter (delivered with the
test tool) to connect a 10:1 scope probe to the
input of the test tool.
To adjust probes, do the following:
•
Connect the 10:1 scope probe from the gray input B
jack to the red input A jack. Use the red 4-mm banana
Figure 2-3. Adjusting Scope Probes
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c
Open the SCOPE INPUTS menu.
d
Open the PROBES submenu.
e
Highlight PROBE AC ADJUST.
f
Open the PROBE AC ADJUST
submenu.
g
Highlight ADJUST 10:1 PROBE.
h
A square wave appears on the
screen.
i
Adjust the trimmer screw in the
probe housing to give an optimum
square wave.
j
Return to normal mode.
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Maintaining the Test Tool
Calibration Information
Calibration Information
2
Note:
You can ask for the model identity (version and calibration
data) at any time. To display the identity, do the following:
c
Open the USER OPTIONS menu.
d
Open the
VERSION&CALIBRATION
submenu.
The test tool specifications are based on a one
year calibration cycle.
Parts and Accessories
Service Manual
A service manual can be downloaded from Fluke’s website
www.fluke.com.
Standard Accessories
The next tables list the user-replaceable parts for the
various test tool models. To order replacement parts,
contact your nearest service center.
The screen gives you information about the model number
with software version, the calibration number with latest
calibration date, and the latest battery refresh date.
e
Return to normal mode.
Recalibration must be carried out by qualified personnel
only. Contact your local Fluke representative for
recalibration.
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Standard Accessories (cont)
Item
Ordering Code
Ni-MH Battery Pack
BP120MH
Power Adapter/Battery Charger, available models:
Universal Europe 230V, 50Hz
North America 120V, 60Hz
United Kingdom 240V, 50Hz
Japan 100V, 60Hz
Australia 240V, 50Hz
Universal 115V/230V *
* UL listing applies to PM8907/808 with UL listed line plug adapter for
North America. The 230 V rating of the PM8907/808 is not for use in
North America. For other countries, a line plug adapter complying
with the applicable National Requirements must be used.
Set of two Shielded Test Leads (Red and Gray), designed for use only
with the Fluke ScopeMeter 120 series test tool.
Set contains the following replaceable part:
Ground Lead with Alligator Clip (Black)
PM8907/801
PM8907/813
PM8907/804
PM8907/806
PM8907/807
PM8907/808
STL120
5322 320 11354
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Maintaining the Test Tool
Parts and Accessories
2
Standard Accessories (cont)
Item
Ordering Code
Test Lead for Grounding (Black)
TL75 (red + black lead)
Set of three Alligator Clips (Red, Gray, and Black)
AC120
One Banana-to-BNC Adapter (Black). Supplied with: Fluke 123, 124
BB120 (Set of two)
Two Banana-to-BNC Adapters (Black). Supplied with: Fluke 123/S, 124/S
BB120 (set of two)
Note: manuals can be downloaded from Fluke’s website www.fluke.com
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Optional Accessories
Item
Ordering Code
Software & Cable Carrying Case Kit (Supplied with Fluke 123/S, 124/S)
SCC 120
Set contains the following parts:
Optically Isolated RS-232/USB Adapter/Cable
OC4USB
Hard Carrying Case. Supplied with Fluke 123/S, 124/S
®
®
®
C120
FlukeView ScopeMeter Software for Windows
SW90W
10:1 Scope Probe VP40. Supplied with Fluke 124, 124/S
VPS40
Set of two Hook Clips (Red and Gray)
HC120
Optically Isolated RS-232 Adapter/Cable.
PM9080
Hard Carrying Case.
C120
Compact Soft Case
C125
Isolated Trigger Probe
ITP120
Print Adapter Cable for Parallel Printers
PAC91
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Chapter 3
Tips and Troubleshooting
Goal of this Chapter
This Chapter gives you information and tips on how you
can make the best use of the test tool.
Using the Tilt Stand
The test tool is equipped with a tilt stand, allowing viewing
from an angle. You can also use the tilt stand to hang the
test tool at a convenient viewing position. Simply tilt the
stand and hang the test tool. Typical positions are shown
in Figure 3-1.
Figure 3-1. Using the Tilt Stand
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Resetting the Test Tool
Perform a Master Reset to make sure that your test tool is
in the initial settings condition.
c
Turn the test tool off.
d
Press and hold.
e
Press and release.
If you want to change the language of the messages into
e.g. Italian, do the following:
c
Open the USER OPTIONS menu.
d
Open the LANGUAGE SELECT
submenu.
e
Highlight ITALIANO.
f
Accept ITALIANO (Italian) as
language.
The test tool turns on, and you should hear a double beep,
indicating the Reset was successful.
f
Release.
Changing the Information Language
When you operate the test tool, messages appear on the
screen. These messages are always displayed in a box,
and can be displayed in various languages.
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Tips and Troubleshooting
Changing the Display
3
Setting the Grid Display
Changing the Display
Adjusting the Screen Contrast in Fluke 123
c
From the main menu, choose
CONTRAST.
d
Adjust the contrast of the screen.
To choose a dotted grid, do the following:
c
Open the USER OPTIONS menu.
d
Highlight GRID TYPE.
e
Open the GRID TYPE submenu.
f
Choose DOTS.
g
Accept the new grid display.
Adjusting the Screen Contrast in Fluke 124
c
Switch from cursor control to
display control.
d
From the display control menu,
choose CONTRAST
e
Adjust the contrast of the screen.
Note
The new contrast adjustment of the screen is
saved in memory until a new adjustment is made.
Use LINES when you need a cross hatch pattern based on
the horizontal time and vertical divisions on the screen.
Use DOTS when you need vertical and horizontal division
dots as added reference points to the screen.
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Changing Date and Time
i
Jump to DAY.
The test tool has a date and time clock. To change the
date to (e.g.) 20 June, 2002, do the following:
j
Choose 20.
k
Jump to FORMAT.
l
Choose DD/MM/YY.
c
Open USER OPTIONS menu.
Accept the new date.
You can change the time in a similar way by opening the
TIME ADJUST submenu. (steps d and e.)
d
Highlight DATE ADJUST.
e
Open DATE ADJUST submenu.
f
Choose 2002.
g
Jump to MONTH.
h
Choose 06.
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Tips and Troubleshooting
Saving Battery Life
Saving Battery Life
When operated on the battery pack (no Power Adapter
connected), the test tool conserves power by shuting itself
down. If you have not pressed a key for at least 30 minutes,
the test tool turns itself off automatically.
e
Open the submenu.
f
Highlight AFTER 5 MINUTES.
g
Accept the new power down time.
3
Note
If the Power Adapter is connected, there is no
automatic power shutdown.
Although automatic power shutdown will not occur if
TrendPlot is on, the backlight will dim. Recording will
continue until the battery pack is low.The remaining
battery capacity ensures that the recorded data will not be
lost.
Setting the Power Down Timer
To extend battery life, the power shutdown time is set to
30 minutes after the last key press. To set the power
shutdown to five minutes, do the following:
c
Open the USER OPTIONS menu.
d
Highlight POWER DOWN ...
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Changing the Auto Set Options
g
Select COUPLING.
On delivery or after a reset, the Auto Set function captures
waveforms from 15 Hz and faster and sets the input
coupling to DC.
h
Highlight UNCHANGED.
i
Accept the new Auto Set
configuration.
To configure Auto Set for waveforms from 1 Hz with
unchanged input coupling, do the following:
Note
Setting the Auto Set adjust to 1 Hz will slow down
the Auto Set response.
c
Open the User Options menu.
d
Highlight AUTOSET ADJUST...
e
Open the AUTOSET ADJUST
submenu.
f
Highlight SIGNALS > 1 Hz.
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Tips and Troubleshooting
Using Proper Grounding
3
Using Proper Grounding
Incorrect grounding can cause various problems. This
Section gives you guidelines for proper grounding.
z
Use the short ground lead(s) when measuring DC or
AC signals on input A and input B. (See Figure 3-2.)
Warning
To avoid electrical shock or fire, use only one
COM (common) connection , or ensure that
are at the same
all connections to COM
potential.
z
Figure 3-2. Grounding with Short Ground Lead
Use the unshielded black ground lead to COM
(common) for Ohm (Ω), Continuity, Diode, and
Capacitance measurements. (See Figure 3-3.)
Using the unshielded ground lead is also possible for
single or dual input measurements for waveforms with a
frequency up to 1 MHz. This may add some hum or
noise to the waveform display due to the unshielded
ground lead.
Figure 3-3. Grounding with Unshielded Ground Lead
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Solving Printing and Other
Communication Errors
Battery Testing of Fluke Accessories
RS-232 communication may cause problems. When
experiencing communication problems, try the following
remedies:
z
Make sure that you have selected the correct printer
type. (To select printer type, see Chapter 1.)
z
Make sure that the baud rate matches with the printer
or computer. (To set the baud rate, see Chapter 1.)
z
PM9080: make sure that the interface cable is
connected to the correct port on the printer or
computer. If necessary use the 9 pin to 25 pin adapter
or gender changer.
z
OC4USB: make sure that the OC4USB cable’s COM
port matches the application program’s (e.g.
FlukeView) COM port. See also the OC4USB
Instruction Sheet.
z
OC4USB: make sure that the drivers for the USB
cable are installed properly.
When using battery operated Fluke accessories, always
check the battery condition of the accessory first on a
Fluke multimeter .
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Chapter 4
Specifications
Introduction
Safety Characteristics
Performance Characteristics
FLUKE guarantees the properties expressed in numerical
values with the stated tolerance. Specified non-tolerance
numerical values indicate those that could be nominally
expected from the mean of a range of identical
ScopeMeter test tools.
Specifications are based on a one year calibration cycle.
Environmental Data
The test tool has been designed and tested in accordance
with Standards ANSI/ISA S82.02.01, EN 61010-1: 2001,
CAN/CSA-C22.2 No.61010-1-04 and UL no. 61010-1-04
(including cCSAus approval) Safety Requirements for
Electrical Equipment for Measurement, Control, and
Laboratory Use.
This manual contains information and warnings that must
be followed by the user to ensure safe operation and to
keep the instrument in a safe condition. Use of this
equipment in a manner not specified by the manufacturer
may impair protection provided by the equipment.
The environmental data mentioned in this manual are
based on the results of the manufacturer’s verification
procedures.
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Dual Input Oscilloscope
Vertical
Frequency Response
DC Coupled:
excluding probes and test leads (via BB120): ................
Fluke 123: DC to 20 MHz (-3 dB)
Fluke 124: DC to 40 MHz (-3 dB)
with STL120 1:1 shielded test leads: .............................
DC to 12.5 MHz (-3 dB)
DC to 20 MHz (-6 dB)
with VP40 10:1 probe:....................................................
Fluke 123 (optional accessory): DC to 20 MHz (-3 dB)
Fluke 124 (standard accessory): DC to 40 MHz (-3 dB)
AC Coupled (LF roll off):
excluding probes and test leads..............<10 Hz (-3 dB)
with STL120 .............................................<10 Hz (-3dB)
with 10 MΩ 10:1 Probe .............................<1 Hz (-3 dB)
Input Impedance
excluding probes and test leads .................1 MΩ//12 pF
with BB120 .................................................1 MΩ//20 pF
with STL120 .............................................1 MΩ//225 pF
with VP40 10:1 Probe.............................. 5 MΩ//15.5 pF
Sensitivity ........................................... 5 mV to 500 V/div
Display Modes...............................................A, -A, B, -B
Max. Input Voltage A and B
direct, with test leads, or with VP40 Probe ..... 600 Vrms
with BB120 ..................................................... 300 Vrms
(For detailed specifications, see “Safety”, Figs. 4-1/4-2)
Max. Floating Voltage
from any terminal to ground ........................... 600 Vrms
up to 400 Hz
Resolution ................................................................ 8 bit
Vertical Accuracy ........................±(1% + 0.05 range/div)
Max. Vertical Move ....................................... ±4 divisions
Rise Time
excluding probes, test leads (Fluke 123).......... <17.5 ns
excluding probes, test leads (Fluke 124).......... <8.75 ns
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Specifications
Dual Input Oscilloscope
4
Horizontal
Trigger
Scope Modes................................... Normal, Single, Roll
Screen Update ...............................Free Run, On Trigger
Ranges
Normal:
equivalent sampling (Fluke 123) ...... 20 ns to 500 ns/div
equivalent sampling (Fluke 124) ...... 10 ns to 500 ns/div
real time sampling ....................................1 μs to 5 s/div
Single (real time) ......................................1 μs to 5 s/div
Roll (real time)..........................................1s to 60 s/div
Source ..............................................................A, B, EXT
EXTernal via optically isolated trigger probe ITP120
(optional accessory)
Sensitivity A and B (Fluke 123)
@ DC to 5 MHz ............................ 0.5 divisions or 5 mV
@ 25 MHz .................................................. 1.5 divisions
@ 40 MHz ..................................................... 4 divisions
Sampling Rate (for both channels simultaneously)
Equivalent sampling (repetitive signals) .........................
up to 1.25 GS/s
Real time sampling:
1 μs to 5 ms/div ...........................................25 MS/s
10 ms to 60 s/div ...........................................5 MS/s
Sensitivity A and B (Fluke 124)
@ DC to 5 MHz ............................ 0.5 divisions or 5 mV
@ 40 MHz .................................................. 1.5 divisions
@ 60 MHz ..................................................... 4 divisions
Time Base Accuracy
Equivalent sampling ................... ±(0.4% +0.04 time/div)
Real time sampling..................... ±(0.1% +0.04 time/div)
Glitch Detection ..................≥40 ns @ 20 ns to 5 ms/div
≥200 ns @ 10 ms to 60 s/div
Glitch detection is always active.
Slope ................................................... Positive, Negative
Video on A .......................... interlaced video signals only
Modes ............................................... Lines, Line Select
Standards .......................... PAL, NTSC, PAL+, SECAM
Polarity .............................................. Positive, Negative
Sensitivity ..........................................0.6 divisions sync.
Horizontal Move ........................................... 10 divisions
Trigger point can be positioned anywhere across the
screen.
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Advanced Scope Functions
Display Modes
Normal ....... Captures up to 40 ns glitches and displays
analog-like persistence waveform.
Smooth ...... Suppresses noise from a waveform.
Envelope.... Records and displays the minimum and
maximum of waveforms over time.
Auto Set (Connect-and-View)
Continuous fully automatic adjustment of amplitude, time
base, trigger levels, trigger gap, and hold-off. Manual
override by user adjustment of amplitude, time base, or
trigger level.
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Specifications
Dual Input Meter
Dual Input Meter
The accuracy of all measurements is within ± (% of
reading + number of counts) from 18 °C to 28 °C.
Add 0.1x (specific accuracy) for each °C below 18 °C or
above 28 °C. For voltage measurements with 10:1 probe,
add probe uncertainty +1%. More than one waveform
period must be visible on the sceen.
Input A and Input B
DC Voltage (VDC)
Ranges.........................500 mV, 5V, 50V, 500V, 1250V
Accuracy .......................................... ±(0.5% +5 counts)
Normal Mode Rejection (SMR) .......................... >60 dB
@ 50 or 60 Hz ±1%
Common Mode Rejection (CMRR)........ >100 dB @ DC
>60 dB @ 50, 60, or 400 Hz
Full Scale Reading ..................................... 5000 counts
True RMS Voltages (VAC and VAC+DC)
Ranges.........................500 mV, 5V, 50V, 500V, 1250V
Accuracy for 5 to 100% of range
DC coupled:
DC to 60 Hz (VAC+DC)............... ±(1% +10 counts)
1 Hz to 60 Hz (VAC) .................... ±(1% +10 counts)
AC or DC coupled:
60 Hz to 20 kHz........................ ±(2.5% +15 counts)
20 kHz to 1 MHz.......................... ±(5% +20 counts)
1 MHz to 5 MHz......................... ±(10% +25 counts)
4
5 MHz to 12.5 MHz .................... ±(30% +25 counts)
5 MHz to 20 MHz (excl. test leads or probes) ..........
±(30% +25 counts)
AC coupled with 1:1 (shielded) test leads
60 Hz (6 Hz with 10:1 probe) ..........................-1.5%
50 Hz (5 Hz with 10:1 probe) .............................-2%
33 Hz (3.3 Hz with 10:1 probe) ..........................-5%
10 Hz (1 Hz with 10:1 probe) ...........................-30%
DC Rejection (only VAC) ....................................>50 dB
Common Mode Rejection (CMRR) ........ >100 dB @ DC
>60 dB @ 50, 60, or 400 Hz
Full Scale Reading .....................................5000 counts
The reading is independent of any signal crest factor.
Peak
Modes ........................ Max peak, Min peak, or pk-to-pk
Ranges ........................ 500 mV, 5V, 50V, 500V, 1250V
Accuracy:
Max peak or Min peak ........................ 5% of full scale
Peak-to-Peak.................................... 10% of full scale
Full Scale Reading .......................................500 counts
Frequency (Hz)
Ranges ................. 1 Hz, 10 Hz, 100 Hz, 1 kHz, 10 kHz,
100 kHz,1 MHz, 10 MHz, and 50 MHz (Fluke 123) or
70MHz (Fluke 124)
Frequency Range in Continuous Autoset ......................
15 Hz (1 Hz) to 50 MHz
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Accuracy:
@1 Hz to 1 MHz............................ ±(0.5% +2 counts)
@1 to 10 MHz ............................... ±(1.0% +2 counts)
@10 to 50 MHz (Fluke 123) .......... ±(2.5% +2 counts)
@10 to 70 MHz (Fluke 124) .......... ±(2.5% +2 counts)
(50 MHz in Autorange)
Full Scale Reading.................................. 10 000 counts
Duty Cycle (DUTY)
Range .......................................................... 2% to 98%
Frequency Range in Continuous Autoset.......................
15 Hz (1 Hz) to 30 MHz
Accuracy (Logic or Pulse waveforms):
@1Hz to 1 MHz............................. ±(0.5% +2 counts)
@1 MHz to 10 MHz....................... ±(1.0% +2 counts)
Pulse Width (PULSE)
Frequency Range in Continuous Autoset.......................
15 Hz (1 Hz) to 30 MHz
Accuracy (Logic or Pulse waveforms):
@1 Hz to 1 MHz............................ ±(0.5% +2 counts)
@1 MHz to 10 MHz....................... ±(1.0% +2 counts)
Full Scale Reading .................................. 1000 counts
Amperes (AMP) .....................with optional current probe
Ranges ......... same as VDC, VAC, VAC+DC, or PEAK
Scale Factor0.1 mV/A, 1 mV/A, 10 mV/A, 100 mV/A, and
1 V/A
Accuracy ..........same as VDC, VAC, VAC+DC, or PEAK
(add current probe uncertainty)
Temperature (TEMP) .... with optional temperature probe
Range........................................ 200 °C/div (200 °F/div)
Scale Factor ................................ 1 mV/°C and 1 mV/°F
Accuracy ........... as VDC (add temp. probe uncertainty)
Decibel (dB)
0 dBV ........................................................................1V
0 dBm (600Ω /50Ω) ..............................................1 mW
referenced to 600Ω or 50Ω
dB on.......................................VDC, VAC, or VAC+DC
Full Scale Reading .....................................1000 counts
Crest Factor (CREST)
Range................................................................. 1 to 10
Accuracy ............................................... ±(5% +1 count)
Full Scale Reading .......................................100 counts
Phase
Modes ......................................................A to B, B to A
Range................................................. 0 to 359 degrees
Accuracy up to 1 MHz ................................... 2 degrees
Accuracy 1 MHz to 5 MHz............................. 5 degrees
Resolution ....................................................... 1 degree
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Specifications
Dual Input Meter
Input A
Ohm (Ω)
Ranges........ 500Ω, 5 kΩ, 50 kΩ, 500 kΩ, 5 MΩ, 30 MΩ
Accuracy: ......................................... ±(0.6% +5 counts)
Full Scale Reading:
500Ω to 5 MΩ.......................................... 5000 counts
30 MΩ ..................................................... 3000 counts
Measurement Current ..........................0.5 mA to 50 nA
decreases with increasing ranges
Open Circuit Voltage ............................................... <4V
4
Measurement Current .............................. 5 μA to 0.5 mA
increases with increasing ranges
Dual slope integrating measurement with parasitic
serial and parallel resistance cancellation.
Continuity (CONT)
Beep...................................... <(30Ω ±5Ω) in 50Ω range
Measurement Current ........................................ 0.5 mA
Detection of shorts of ..........................................≥1 ms
Diode
Measurement Voltage:
@0.5 mA ........................................................... >2.8V
@open circuit ....................................................... <4V
Accuracy ............................................. ±(2% +5 counts)
Measurement Current ........................................ 0.5 mA
Polarity ......................................+ on input A, - on COM
Capacitance (CAP)
Ranges..................50 nF, 500 nF, 5 μF, 50 μF, 500 μF
Accuracy ........................................... ±(2% +10 counts)
Full Scale Reading ..................................... 5000 counts
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Advanced Meter Functions
Cursor readout (Fluke 124)
Zero Set
Set actual value to reference
Sources:
A, B
Single Vertical Line:
Average, Min and Max Readout
. Average, Min, Max and Time from Start of Readout (in
ROLL mode; instrument in HOLD)
................ Min, Max and Time from Start of Readout (in
TRENDPLOT mode; instrument in HOLD)
Dual Vertical Lines:
...........Peak-Peak, Time Distance and Reciprocal Time
Distance Readout
Average, Min, Max and Time Distance Readout (in
ROLL mode; instrument in HOLD)
Dual Horizontal Lines:
High, Low and Peak-Peak Readout
Rise or Fall Time:
Transition Time, 0%-Level and 100%-Level Readout
(Manual or Auto Leveling; Auto Leveling only possible in
Single Channel Mode)
Accuracy:
As Oscilloscope Accuracy
Fast/Normal/Smooth
Meter settling time Fast: 1s @ 1 μs to 10 ms/div.
Meter settling time Normal: 2s @ 1 μs to 10 ms/div.
Meter settling time Smooth: 10s @ 1 μs to 10 ms/div.
Touch Hold (on A)
Captures and freezes a stable measurement result.
Beeps when stable. Touch Hold works on the main
meter reading, with thresholds of 1 Vpp for AC signals
and 100 mV for DC signals.
TrendPlot
Graphs meter readings of the Min and Max values from
15 s/div (120 seconds) to 2 days/div (16 days) with time
and date stamp. Automatic vertical scaling and time
compression.
Displays the actual and Minimum, Maximum, or average
(AVG) reading.
Fixed Decimal Point
Possible by using attenuation keys.
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Specifications
Miscellaneous
Miscellaneous
Display
Size .................................... 72 x 72 mm (2.83 x 2.83 in)
Resolution ............................................ 240 x 240 pixels
Waveform Display:
Vertical ............................................. 8 div of 20 pixels
Horizontal ...................................... 9.6 div of 25 pixels
Backlight ..................Cold Cathode Fluorescent (CCFL)
Power
External:..............................via Power Adapter PM8907
Input Voltage ......................................... 10 to 21V DC
Power ......................................................... 5W typical
Input Connector...........................................5 mm jack
Fluke 123/124 (Internal Battery Pack):
Battery Power.................... Rechargeable Ni-MH 4.8V
Operating Time ...............6 hours with bright backlight
6.30 hours with dimmed backlight
Charging Time....................... 7 hours with test tool off
60 hours with test tool on
12 .. 20 hours with refresh cycle
4
Memory
Number of Screen + Setup Memories (Fluke 123) .....10
Number of Screen + Setup Memories (Fluke 124) .....20
Mechanical
Size .......................232 x 115 x 50 mm (9.1 x 4.5 x 2 in)
Weight .................................................... 1.2 kg (2.5 lbs)
including battery pack
Interface .................................. RS-232, optically isolated
To Printer ..........................supports Epson FX, LQ, and
®
®
HP Deskjet , Laserjet , and Postscript
Serial via PM9080 (optically isolated RS-232
adapter/cable, optional).
Parallel via PAC91 (optically isolated print adapter
cable, optional).
To PC ........................ Dump and load settings and data
Serial via OC4USB (optically isolated RS-232/USB
®
adapter/cable, optional), using SW90W (FlukeView
®
software for Windows ).
Allowable ambient temperature:
during charging.................. 0 to 45 °C (32 to 113 °F)
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Environmental
Electromagnetic Compatibility (EMC)
Environmental........................MIL-PRF-28800F, Class 2
Emission and Immunity ...............EN/IEC61326-1: 2006
Temperature
Operating ................................ 0 to 50 °C (32 to 122 °F)
Storage .................................-20 to 60 °C (-4 to 140 °F)
Enclosure Protection ................ IP51, ref: EN/IEC60529
Humidity
Operating:
@0 to 10 °C (32 to 50 °F) ................. noncondensing
@10 to 30 °C (50 to 86 °F) ................................ 95%
@30 to 40 °C (86 to 104 °F)................................. 75%
@40 to 50 °C (104 to 122 °F)............................... 45%
Storage:
@-20 to 60 °C (-4 to 140 °F) ............... noncondensing
Altitude
Operating .......................................... 5 km (16 400 feet)
Max. Input and Floating Voltage 600 Vrms upto 2 km,
> 2 km 300 Vrms <5 km.
Storage ........................................... 12 km (40 000 feet)
Vibration (sinusoidal) ....................................................
........... MIL28800F, class 2, 3.8.4.2, 4.5.5.3.1: Max. 3g
Shock...............................................................................
......... MIL28800F, class 2, 3.8.5.1, 4.5.5.4.1: Max. 30g
Safety
Designed for measurements on 600 Vrms Measurement
Category III, Pollution Degree 2, per:
•
ANSI/ISA S82.02.01
•
EN/IEC 61010-1: 2001
•
CAN/CSA-C22.2 No.61010-1-04 and UL no. 61010-104 (including cCSAus approval)
Max. Input Voltage Input A and B
Direct on input or with leads .......................... 600 Vrms
for derating, see Figure 4-1.
With Banana-to BNC Adapter BB120............. 300 Vrms
for derating, see Figure 4-1.
Max. Floating Voltage
from any terminal to ground ........................... 600 Vrms
up to 400 Hz
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Specifications
Safety
Figure 4-1. Max. Input Voltage v.s. Frequency for
BB120 and STL120
4
Figure 4-2. Max. Input Voltage v.s. Frequency for VP40
10:1 Voltage Probe
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The Fluke 123/124, including standard accessories, conforms with the EEC directive 2004/108/EC for EMC immunity, as
defined by EN-61326-1: 2006, with the addition of the following tables.
Trace disturbance with STL120
Table 1
No visible disturbance
Frequency range 10 kHz to 27 MHz
Frequency range 27 MHz to 1 GHz
E= 3 V/m
E= 10 V/m
100 mV/div to 500 V/div
100 mV/div to 500 V/div
500 mV/div to 500 V/div
100 mV/div to 500 V/div
E= 3 V/m
E= 1 V/m
No visible disturbance
Frequency range 1.4 GHz to 2.0 GHz
5 mV/div to 500 V/div
Frequency range 2.0 GHz to 2.7 GHz
5 mV/div to 500 V/div
Table 2
Disturbance less than 10% of full scale
Frequency range 10 kHz to 27 MHz
Frequency range 27 MHz to 1 GHz
E= 3 V/m
E= 10 V/m
20 mV/div to 50 mV/div
10 mV/div to 20 mV/div
100 mV/div to 200 mV/div
-
(-): no visible disturbanceTest tool ranges not specified in tables 1 and 2 may have a disturbance of more than 10% of full
scale.
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Specifications
Safety
4
Multimeter disturbance:
•
•
VDC, VAC, and VAC+DC with STL120 and short ground lead.
OHM, CONT, DIODE, and CAP with STL120, and black test lead to COM.
Table 3
Disturbance less than 1% of full scale
E= 3 V/m
E= 10 V/m
Frequency range 10 kHz to 27 MHz
VDC, VAC, VAC+DC
OHM, CONT, DIODE
CAP
500 mV to 1250V
50 Ω to 30 MΩ
50 nF to 500 μF
500 mV to 1250V
50 Ω to 30 MΩ
50 nF to 500 μF
Frequency range 27 MHz to 1 GHz
VDC, VAC, VAC+DC
OHM, CONT, DIODE
CAP
500 mV to 1250V
50 Ω to 30 MΩ
50 nF to 500 μF
500 mV to 1250V
50 Ω to 30 MΩ
50 nF to 500 μF
E= 3 V/m
E= 1 V/m
Disturbance less than 1% of full scale
Frequency range 1.4 GHz to 2 GHz
VDC, VAC, VAC+DC
OHM, CONT, DIODE
CAP
500 mV to 1250V
50 Ω to 30 MΩ
50 nF to 500 μF
Frequency range 2 GHz to 2.7 GHz
VDC, VAC, VAC+DC
OHM, CONT, DIODE
CAP
500 mV to 1250V
50 Ω to 30 MΩ
50 nF to 500 μF
Test tool ranges not specified in table 3 may have a disturbance of more than 10% of full scale
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Index
Automatic Power Shutdown, 57
Avoid Electrical Shock, 12
—A—
AC coupling, 4
AC120 Alligator Clips, 51
Accessories, 49
AC-Coupling, 26
Acquiring the Waveform, 23
Acquisition Modes, 63
Adjusting Scope Probes, 47
Advanced Meter Functions, 68
Advanced Scope Functions, 64
Alligator Clips, 51
Altitude, 70
Amperes Measurement, 66
Amplitude, 18
Auto Set, 64
Auto Set Configuration, 58
—B—
Backlight, 9
Banana Jack Inputs, 12
Banana-to-BNC Adapter, 51
Bandwidth, 62
Battery Charger, 50
Battery Disposing, 46
Battery Indicator, 10
Battery Life, 57
Battery Pack, 2, 44, 50
Battery Power, 69
Battery Refresh Date, 49
Battery Replacing, 46
BB120 Adapters, 51
Blue Function Keys, 10
BP120 Battery Pack, 47, 50
BP130 Battery Pack, 47, 50
Bright Display, 9
—C—
C120 Hard Case, 52
C125 Compact Soft Case, 52
C789 Soft Case, 52
Calibrating the Test Tool, 49
Capacitance, 14, 59, 67
Case, 52
Changing the Amplitude, 18
Changing the Display, 55
Changing the Graphic
Representation, 18
Changing the Time Base, 18
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Charge Time, 69
Charger, 50
Charging, 44
Cleaning, 43
Common, 12
Communication Errors, 60
Compact Soft Case, 52
Computer, 41
Connect-and-View function, 13
Connecting a Computer, 42
Continuity, 14, 59, 67
Contrast, 55
Crest Factor, 66
Current Measurement, 66
Cursors, 35, 68
—D—
Date, 56
DC Voltage (VDC), 65
Decibel (dB), 66
Declaration of Conformity, 1
Deleting Screens and Setups, 34
Dimmed Display, 9
Diode, 14, 59, 67
Display, 55, 69
Disposing Batteries, 46
Duty Cycle, 66
—E—
Earth Ground, 6
Electrical Shock, 5
Electrically Floating, 6
Electromagnetic Compatibility, 1,
70
Emission, 70
Envelope, 64
Envelope of a Waveform, 21
Environmental, 70
Environmental Data, 61
—F—
Fast/Smooth, 68
Fixed Decimal Point, 68
FlukeView, 41, 52
Freeze Recording, 25
Freezing the Screen, 16
Frequency (Hz), 65
Frequency Response, 62
Function Keys, 10
—G—
Glitch Detection, 63
Graphic Representation, 18
Gray Text, 28
Grey INPUT B, 12
Grid Display, 55
ground, 6
Ground Test Lead, 51
Grounding Problems, 59
—H—
Hands-free Measurements, 16
Hard Carrying Case, 52
HC120 Hook Clips, 51
High Frequency Measurements, 38
Holding a Stable Reading, 16
Hook Clips, 51
Horizontal Cursors, 35
Horizontal Move, 63
Humidity, 70
Hz, 65
—I—
Immunity, 70
Input A, 12
Input B, 12
Input Impedance, 62
insulated
isolated, 5
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Index (continued)
Isolated, 6
Isolated Trigger Probe, 29, 52
Isolated Triggering, 29
ITP120, 29, 52
—N—
—L—
—O—
Level, 27
Ohm (Ω), 14, 59, 67
Operating Time, 69
Optical Interface, 39, 41, 69
—M—
Maintenance, 43
Making Measurements, 14
Manual, 51
Manual Override, 64
Max. Floating Voltage, 6, 62, 70
Max. Input Voltage, 62, 70
Maximum (MAX) Reading, 23
Measurement Connections, 12
Measurements, 14
Mechanical, 69
mechanical damage, 5
Memory, 69
Menu Area, 10
Meter A Measurement, 14
Meter B Measurement, 15
Min Max Reading, 23
Minimum (MIN) Reading, 22
Multimeter Disturbance, 73
Ni-MH Battery Pack, 50
Ni-MH Battery Pack, 2, 44
—P—
PAC91, 52
Parallel Print Cable, 52
Parts, 49
Peak, 65
Performance Characteristics, 61
Phase, 66
PM8907, 50
PM8918, 47
PM8918 Probe, 52, 62
PM9080, 39, 52
Polarity, 26
Positioning the Waveform, 19
Power Adapter, 50, 57
Power Down Timer, 57
Powering the Test Tool, 7
Print Cable, 52
Printing, 39
Printing Errors, 60
Probe, 47, 52, 62
Probe 10
1, 38
Probe Adjustment, 39
Probe Attenuation, 38
Pulse Width, 66
—R—
Reading Area, 10, 14
Reading the Screen, 10
Recalibrating, 49
Recalling, 32
Recalling Screens and Setups, 33
Record a Waveform, 21
Recording Slow Signals, 25
Red INPUT A, 12
Refreshing the Batteries, 49
Relative Measurements, 17
Replaceable Parts, 49
Replacing Batteries, 46
Resetting, 54
Resetting the Test Tool, 8
Reversing the Polarity, 26
Rise Time, 62
Rise Time Measurements, 37
Roll Mode Function, 25
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RS-232 Adapter/Cable, 39, 41, 52
RS-232 Communication Errors, 60
—S—
Safety, 70
Safety Characteristics, 61
Safety Precautions, 4
Safety Requirements, 1
Sampling Rate, 63
Saving, 32
Saving Screens and Setups, 32
SCC 120, 41, 52
Scope Modes, 63
Scope Probes, 52
Screen Contrast, 55
Selecting Trigger Parameters, 28
Sensitivity, 62
Serial Printer, 40
Service Manual, 49
Shielded Test Leads, 50
Shock, 70
Single Shot, 23
Slope, 27, 63
Slow Signals, 25
Smooth, 20, 64
Soft Carrying Case, 52
Software, 52
Software Version, 49
Specifications, 61
Stable Reading, 16
Stand, 53
STL120 Test Leads, 50
Storing, 43
SW90W Software, 41, 52
—T—
Temperature Measurement, 66
Temperature, Environmental, 70
Test Leads, 50
Tilt Stand, 53
Time, 56
Time Base, 18
Time Base Accuracy, 63
Time Base Ranges, 63
®
Touch Hold function, 16, 68
Trace Disturbance, 72
TrendPlot™ function, 68
TrendPlot™ Function, 22
Trigger, 63
Trigger Icons, 27
Trigger Level, 27
Trigger Parameters, 28
Trigger Sensitivity, 63
Triggering, 27
—U—
Unpacking, 2
User Manual, 51
Using a Printer, 39
Using FlukeView Software, 41
—V—
Vertical Accuracy, 62
Vertical Cursors, 36
Vibration, 70
Video Line, 31
Video on A, 63
Video Signals, 29
VP40 Probe, 38
—W—
Waveform Area, 10
—Z—
Zero Reference, 17
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