Fluke Corporation Fluke 115 True RMS Digital Multimeter Manual

Fluke Corporation Fluke 115 True RMS Digital Multimeter Manual
®
114, 115, and 117
True-rms Multimeters
Users Manual
PN 2572573
July 2006, Rev. 1, 2/07
© 2006, 2007 Fluke Corporation, All rights reserved. Printed in China
All product names are trademarks of their respective companies.
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LIMITED WARRANTY AND LIMITATION OF LIABILITY
This Fluke product will be free from defects in material and workmanship for three
years from the date of purchase. This warranty does not cover fuses, disposable batteries, or damage from accident, neglect, misuse, alteration, contamination, or abnormal conditions of operation or handling. Resellers are not authorized to extend any
other warranty on Fluke’s behalf. To obtain service during the warranty period, contact
your nearest Fluke authorized service center to obtain return authorization information,
then send the product to that Service Center with a description of the problem.
THIS WARRANTY IS YOUR ONLY REMEDY. NO OTHER WARRANTIES, SUCH AS
FITNESS FOR A PARTICULAR PURPOSE, ARE EXPRESSED OR IMPLIED. FLUKE
IS NOT LIABLE FOR ANY SPECIAL, INDIRECT, INCIDENTAL OR CONSEQUENTIAL DAMAGES OR LOSSES, ARISING FROM ANY CAUSE OR THEORY. Since
some states or countries do not allow the exclusion or limitation of an implied warranty
or of incidental or consequential damages, this limitation of liability may not apply to
you.
Fluke Corporation
P.O. Box 9090
Everett, WA 98206-9090
U.S.A.
Fluke Europe B.V.
P.O. Box 1186
5602 BD Eindhoven
The Netherlands
11/99
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Introduction
The Fluke Model 114, Model 115, and Model 117 are
battery-powered, true-rms multimeters (hereafter "the
Meter") with a 6000-count display and a bar graph. This
manual applies to all three models. All figures show the
Model 117.
These meters meet CAT III IEC 61010-1 2nd Edition
standards. The IEC 61010-1 2nd Edition safety standard
defines four measurement categories (CAT I to IV)
based on the magnitude of danger from transient
impulses. CAT III meters are designed to protect
against transients in fixed-equipment installations at the
distribution level.
Contacting Fluke
To contact Fluke, call:
USA: 1-888-99-FLUKE (1-888-993-5853)
Canada: 1-800-36-FLUKE (1-800-363-5853)
Europe: +31 402-675-200
Japan: +81-3-3434-0181
Singapore +65-738-5655
Anywhere in the world: +1-425-446-5500
Visit Fluke's web site at www.fluke.com.
Register your Meter at register.fluke.com.
Unsafe Voltage
To alert you to the presence of a potentially
hazardous voltage, the Y symbol is displayed when
the Meter measures a voltage ≥30 V or a voltage
overload (OL) condition. When making frequency
measurements >1 kHz, the Y symbol is unspecified.
Test Lead Alert
XWWarning
Personal injury or damage to the
Meter can occur if you attempt to
make a measurement with a lead in an
incorrect terminal.
To remind you to check that the test leads are in the
correct terminals, LEAd is briefly displayed and an
audible beep sounds when you move the rotary
switch to or from any A (Amps) position.
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Safety Information
A "XWWarning" statement identifies hazardous conditions and actions that could cause bodily harm or death.
A "WCaution" statement identifies conditions and actions that could damage the Meter or the equipment under test.
To avoid possible electric shock or personal injury, follow these guidelines:
•
Use the Meter only as specified in this manual or the protection provided by the Meter might
be impaired.
•
Do not use the Meter or test leads if they appear damaged, or if the Meter is not operating
properly.
•
Always use proper terminals, switch position, and range for measurements.
•
Verify the Meter's operation by measuring a known voltage. If in doubt, have the Meter
serviced.
•
Do not apply more than the rated voltage, as marked on Meter, between terminals or
between any terminal and earth ground.
•
Use caution with voltages above 30 V ac rms, 42 V ac peak, or 60 V dc. These voltages pose
a shock hazard.
•
Disconnect circuit power and discharge all high-voltage capacitors before testing
resistance, continuity, diodes, or capacitance.
•
Do not use the Meter around explosive gas or vapor.
•
When using test leads or probes, keep your fingers behind the finger guards.
•
Only use test leads that have the same voltage, category, and amperage ratings as the meter
and that have been approved by a safety agency.
•
Remove test leads from Meter before opening the battery door or Meter case.
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Safety Information
•
•
•
•
•
•
Comply with local and national safety requirements when working in hazardous locations.
Use proper protective equipment, as required by local or national authorities when working
in hazardous areas.
Avoid working alone.
Use only the replacement fuse specified or the protection may be impaired.
Check the test leads for continuity before use. Do not use if the readings are high or noisy.
Do not use the Auto Volts function to measure voltages in circuits that could be damaged by
this function’s low input impedance (≈3 kΩ)(114 and 117 only).
Symbols
B
AC (Alternating Current)
F
DC (Direct Current)
T
Double Insulated
X
Hazardous voltage
W
Important Information; Refer to manual
N
Battery (Low battery when shown on the
display.)
J
Earth ground
Do not dispose of this product as unsorted
municipal waste. Contact Fluke or a
qualified recycler for disposal.
D
AC and DC
~
I
Fuse
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Display
8
VoltAlert
6
7
5
9
4
10
11
3
2
12
1
16
14
15
17
13
18
edy02f.eps
No.
A
Symbol
w
Meaning
The Meter is in the VoltAlert™ non-contact voltage detect mode.
B
117
s
The Meter function is set to Continuity.
114, 115, & 117
C
R
The Meter function is set to Diode Test
115 & 117
D
O
Input is a negative value.
114, 115, & 117
E
Y
X Unsafe voltage. Measured input voltage ≥30 V, or voltage
overload condition (OL).
114, 115, & 117
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Display
F
K
G
M
VWX
(Red LED)
H
I
J
K
LoZ
nµF mVµA
MkΩ kHz
DC AC
Display hold enabled. Display freezes present reading.
MIN MAX AVG mode enabled.
Maximum, minimum, average or present reading displayed
Voltage presence through the non-contact VoltAlert sensor
114, 115, & 117
114, 115, & 117
117
The Meter is measuring voltage or capacitance with a low input
impedance.
114, 115 & 117
Measurement units.
114, 115, & 117
Direct current or alternating current
114, 115 & 117
Battery low warning.
114, 115, & 117
M
N
610000 mV
Indicates the Meter’s range selection.
114, 115, & 117
N
(Bar graph)
Analog display.
114, 115, & 117
O
The Meter is in the Auto Volts function.
Autoranging. The Meter selects the range for best resolution.
Manual ranging. User sets the Meter’s range.
Bar graph polarity
114 & 117
114, 115, & 117
114, 115, & 117
P
Auto Volts
Auto
Manual
+
Q
0L
W The input is too large for the selected range.
114, 115, & 117
R
LEAd
W Test lead alert. Briefly displayed whenever the Meter’s
function switch is rotated to or from any A position.
115 & 117
L
114, 115, & 117
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Terminals
1
A
COM
V
3
10 A
FUSED
2
edy01f.eps
No.
Description
Model
A
B
Input terminal for measuring ac and dc current to 10 A.
Common (return) terminal for all measurements.
115 & 117
114, 115, & 117
C
Input terminal for measuring voltage, continuity, resistance, capacitance,
frequency and testing diodes.
114, 115, & 117
bAtt
CAL Err
EEPr Err
F11 Err
Error Messages
Battery must be replaced before the Meter will operate.
Calibration required. Meter calibration is required before the Meter will operate.
Internal error. The Meter must be repaired before it will operate.
Internal error. The Meter must be repaired before it will operate.
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Rotary Switch Positions
Rotary Switch Positions
Switch
Measurement Function
Position
Automatically selects ac or dc volts based on the sensed input with a low
x
impedance input.
AC voltage from 0.06 to 600 V.
e
Hz (button) Frequency from 5 Hz to 50 kHz.
D
l
Ω
s
R
S
j
Hz (button)
I
w
DC voltage from .001 V to 600 V.
AC voltage from 6.0 to 600 mV, dc-coupled. DC voltage from 0.1 to 600 mV.
Model
114 & 117
114, 115 & 117
115 & 117
114, 115 & 117
114, 115 & 117
Ohms from 0.1 Ω to 40 MΩ.
114, 115 & 117
Continuity beeper turns on at < 20 Ω and turns off at >250 Ω.
114, 115 & 117
Diode Test. Displays OL above 2.0 V.
115 & 117
Farads from 1 nF to 9999 μF.
115 & 117
AC current from 0.1 A to 10 A (>10 to 20 A, 30 seconds on, 10 minutes off).
>10.00 A display flashes. >20 A, OL is displayed. DC-coupled.
Frequency from 45 Hz to 5 kHz.
DC current from 0.001 A to 10 A (>10 to 20 A, 30 seconds on, 10 minutes off).
>10.00 A display flashes. >20 A, OL is displayed.
115 & 117
115 & 117
117
Non-contact sensing of ac voltage.
Note: All ac functions and Auto-V LoZ are true-rms. AC voltage is ac-coupled. Auto-V LoZ, AC mV and AC
amps are dc-coupled.
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Battery Saver ("Sleep Mode")
The Meter automatically enters "Sleep mode" and blanks
the display if there is no function change, range change, or
button press for 20 minutes. Pressing any button or
turning the rotary switch awakens the Meter. To disable the
Sleep mode, hold down the g button while turning the
Meter on. The Sleep mode is always disabled in the MIN
MAX AVG mode.
Display HOLD
MIN MAX AVG Recording Mode
The MIN MAX AVG recording mode captures the minimum
and maximum input values (ignoring overloads), and
calculates a running average of all readings. When a new
high or low is detected, the Meter beeps.
• Put the Meter in the desired measurement function and
range.
• Press p to enter MIN MAX AVG mode.
• Mand MAX are displayed and the highest
reading detected since entering MIN MAX AVG is
displayed.
• Press p to step through the low (MIN), average
(AVG), and present readings.
• To pause MIN MAX AVG recording without erasing
stored values, press f. K is displayed.
• To resume MIN MAX AVG recording, press fagain.
• To exit and erase stored readings, press p for at
least one second or turn the rotary switch.
1. Press fto activate Display HOLD. (K is
displayed.)
XWWarning
To avoid electric shock, when Display
HOLD is activated, be aware that the
display will not change when you
apply a different voltage.
In the Display HOLD mode, the Meter freezes the display.
2. To exit and return to normal operation, press f or
turn the rotary switch.
Backlight
Press Q to toggle the backlight on and off. The backlight
automatically turns off after 40 seconds. To disable
backlight auto-off, hold down Q while turning the Meter
on.
Manual and Autoranging
The Meter has both Manual and Autorange modes.
• In the Autorange mode, the Meter selects the range with
the best resolution.
• In the Manual Range mode, you override Autorange and
select the range yourself.
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Power-Up Options
When you turn the Meter on, it defaults to Autorange and
Auto is displayed.
1. To enter the Manual Range mode, press q.
Manual is displayed.
2. In the Manual Range mode, press qto increment
the range. After the highest range, the Meter wraps to
the lowest range.
Note
You cannot manually change the range in the
MIN MAX AVG or Display HOLD modes.
If you press qwhile in MIN MAX AVG or
Display Hold, the Meter beeps twice, indicating
an invalid operation and the range does not
change.
3. To exit Manual Range, press q for at least 1 second
or turn the rotary switch. The Meter returns to
Autorange and Auto is displayed.
Power-Up Options
To select a Power-Up Option, hold down the button
indicated in the following table while turning the Meter on.
Power-Up Options are canceled when you turn the Meter
off and when sleep mode is activated.
Button
Power-Up Options
f
Turns on all display segments.
p
Disables beeper. bEEP is displayed when
enabled.
q
Enables low impedance capacitance
measurements. LCAP is displayed when
enabled. See page 14.
g
Disables automatic power-down ("Sleep
mode"). PoFF is displayed when enabled.
Q
Disables auto backlight off. LoFF is
displayed when enabled.
Making Basic Measurements
The figures on the following pages show how to make
basic measurements.
When connecting the test leads to the circuit or device,
connect the common (COM) test lead before connecting
the live lead; when removing the test leads, remove the live
lead before removing the common test lead.
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Testing for Continuity
Measuring Resistance
edy06f.eps
edy04f.eps
XWWarning
To avoid electric shock, injury, or
damage to the Meter, disconnect
circuit power and discharge all highvoltage capacitors before testing
resistance, continuity, diodes, or
capacitance.
Note
The continuity function works best as a fast,
convenient method to check for opens and
shorts. For maximum accuracy in making
resistance measurements, use the Meter’s
resistance (e) function.
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Making Basic Measurements
This function also sets the Meter’s input impedance to
approximately 3 kΩ to reduce the possibility of false
readings due to ghost voltages.
Measuring AC and DC Voltage
Volts AC
Volts DC
Measuring AC and DC Millivolts
Millivolts AC
Millivolts DC
V
DC
edy03f.eps
Using Auto Volts Selection (114 & 117 only)
With the function switch in the x position, the Meter
automatically selects a dc or ac voltage measurement
based on the input applied between the V or + and COM
jacks.
edy18f.eps
With the function switch in the l position, the Meter
measures ac plus dc millivolts. Press g to switch the
Meter to dc millivolts.
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Measuring AC or DC Current (115 & 117)
XWWarning
To avoid personal injury or damage to the
Meter:
•
•
•
•
1
Never attempt to make an in-circuit
current measurement when the opencircuit potential to earth is
>600 V.
A
2
Check the Meter's fuse before testing.
(See “Testing the Fuse”)
Use the proper terminals, switch
position, and range for your measurement.
3
Never place the probes in parallel with a
circuit or component when the leads are
plugged into the A (Amps) terminals.
edy08f.eps
Turn circuit power off, break the circuit, insert the Meter in
series with the circuit, and then turn circuit power on.
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Making Basic Measurements
Measuring Current above 10 Amps
The millivolt and voltage function of the Meter can be used
with an optional mV/A output Current Probe to measure
currents that exceed the rating of the Meter. Make sure the
Meter has the correct function selected, AC or DC, for your
current probe. Refer to a Fluke catalog or contact your
local Fluke representative for compatible current clamps.
Measuring Capacitance (115 & 117 only)
edy05f.eps
edy14f.eps
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Press g to turn the frequency measurement function
on and off. Frequency works with ac functions only.
In frequency, the bar graph and range annunciator indicate
the ac voltage or current present.
Select progressively lower ranges using manual ranging
for a stable reading.
Measuring Frequency (115 & 117 only)
XWWarning
To avoid electrical shock, disregard the bar
graph for frequencies >1 kHz. If the
frequency of the measured signal is >1 kHz,
the bar graph and Z are unspecified.
AC Voltage Frequency
AC Current Frequency
Detecting AC Voltage Presence (117 only)
VoltAlert
Hz
Neutral
Hot
VoltAlert
VoltAlert
RANGE
Lo
VoltAlert
edy09f.eps
The Meter measures the frequency of a signal by counting
the number of times the signal crosses a trigger level each
second. The trigger level is 0 V, 0 A for all ranges.
edy13f.eps
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Making Basic Measurements
To detect the presence of ac voltage, place the top of the
Meter close to a conductor. The Meter gives an audible as
well as visual indication when voltage is detected. There
are two sensitivity settings. The “Lo” setting can be used
on flush mounted wall sockets, power strips, flush
mounted industrial outlets and various power cords. The
“Hi” setting allows for ac voltage detection on other styles
of recessed power connectors or sockets where the actual
ac voltage is recessed within the connector itself. The
VoltAlert detector works in bare wire applications with
voltages as low as 24 V in the “Hi” setting.
XW Warning
If there is no indication, voltage could
still be present. Do not rely on the
VoltAlert detector with shielded wire.
Operation may be effected by
differences in socket design,
insulation thickness and type.
Testing Diodes (115 & 117)
Making Low Impedance Capacitance
Measurements (115 & 117 only)
For making capacitance measurements on cables with
ghost voltage, hold qwhile turning on the Meter to
switch the Meter into LoZ, (low input impedance)
Capacitance mode. In this mode, capacitance
measurements will have a lower accuracy and lower
dynamic range. This setting is not saved when the Meter is
turned off or goes into sleep mode.
Good Diode
Good Diode
Single
Beep
Forward Bias
Bad Diode
Open
Reverse Bias
Bad Diode
and
Shorted
edy07f.eps
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Using the Bargraph
The bar graph is like the needle on an analog meter. It has
an overload indicator (>) to the right and a polarity
indicator (+)to the left.
Because the bar graph is much faster than the digital
display, the bar graph is useful for making peak and null
adjustments.
The bar graph is disabled when measuring capacitance. In
frequency, the bar graph and range annunciator indicates
the underlying voltage or current up to 1 kHz.
The number of segments indicates the measured value and
is relative to the full-scale value of the selected range.
In the 60 V range, for example (see below), the major
divisions on the scale represent 0, 15, 30, 45, and 60 V. An
input of −30 V turns on the negative sign and the segments
up to the middle of the scale.
Testing the Fuse (115 & 117 only)
Test fuse as shown below.
<.5
edy10f.eps
aej11f.eps
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Maintenance
Maintenance
Maintenance of the Meter consists of battery and fuse
replacement, as well as case cleaning.
Replacing the Battery and Fuse
XWWarning
To avoid shock, injury, or damage to
the Meter:
• Remove test leads from the Meter
before opening the case or battery door.
• Use ONLY a fuse with the amperage,
interrupt voltage, and speed ratings
specified.
To remove the battery door for battery replacement:
1. Remove the test leads from the Meter
2. Remove the battery door screw.
3. Use the finger recess to lift the door slightly.
4. Lift the door straight up to separate it from the case.
The battery fits inside the battery door, which is then
inserted into the case, bottom edge first, until it is fully
seated. Do not attempt to install the battery directly into the
case.
5. Install and tighten battery door screw.
Fuse
edy11f.eps
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To open the case for fuse replacement:
1. Remove the test leads from the Meter
2. Remove the Meter from its holster.
3. Remove two screws from the case bottom.
4. Separate the case bottom from the case top.
5. Remove the fuse from its holder and replace it with an
11 A, 1000 V, FAST fuse having a minimum interrupt
rating of 17,000 A. Use only Fluke PN 803293.
6. To re-assemble the Meter, first attach the case bottom
to the case top, then install the two screws. Finally,
insert the Meter into its holster.
Cleaning
Wipe the case with a damp cloth and mild detergent. Do
not use abrasives, isopropyl alcohol, or solvents to clean
the case or lens/window. Dirt or moisture in the terminals
can affect readings.
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General Specifications
General Specifications
Accuracy is specified for 1 year after calibration, at operating temperatures of 18 °C to 28 °C, with
relative humidity at 0 % to 90 %.
Extended specifications are available at www.Fluke.com.
Maximum voltage between any
terminal and earth ground ...................................... 600 V
Surge Protection ..................................................... 6 kV peak per IEC 61010-1 600V CAT III,
Pollution Degree 2
W Fuse for A input (115 & 117 only): .................... 11 A, 1000 V FAST 17 kA Fuse (Fluke PN 803293)
Display ..................................................................... Digital: 6,000 counts, updates 4/sec
Bar Graph: 33 segments, updates 32/sec
Temperature............................................................. Operating: -10 °C to + 50 °C
Storage: -40 °C to + 60 °C
Temperature Coefficient ......................................... 0.1 x (specified accuracy)/°C (<18 °C or >28 °C)
Operating Altitude ................................................... 2,000 meters
Battery ....................................................................... 9 Volt Alkaline, NEDA 1604A / IEC 6LR61
Battery Life............................................................... Alkaline: 400 hours typical, without backlight
Safety Compliances ................................................ Complies with ANSI/ISA 82.02.01 (61010-1) 2004,
CAN/CSA-C22.2 No 61010-1-04, UL 6101B (2003)
nd
and IEC/EN 61010-1 2 Edition for measurement
Category III, 600 V, Pollution Degree 2, EMC
EN61326-1
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Certifications ............................................................UL, P, CSA, TÜV, ; (N10140), VDE
IP Rating (dust and water protection) ......................... IP42
Table 1. Accuracy Specifications
Function
Range
Resolution
Accuracy
± ([% of Reading] + [Counts])
Model
DC millivolts
600.0 mV
0.1 mV
0.5 % + 2
114,
115, 117
DC Volts
6.000 V
60.00 V
600.0 V
0.001 V
0.01 V
0.1 V
0.5 % + 2
114,
115, 117
[1]
Auto-V LoZ True-rms
600.0 V
0.1 V
DC, 45 to 500 Hz
500 Hz to 1 kHz
2.0 % + 3
4.0 % + 3
45 to 500 Hz
500 Hz to 1 kHz
[1]
AC millivolts True-
rms
[1]
AC Volts True-rms
114, 117
600.0 mV
0.1 mV
1.0 % + 3
2.0 % + 3
114,
115, 117
6.000 V
60.00 V
600.0 V
0.001 V
0.01 V
0.1 V
1.0 % + 3
2.0 % + 3
114,
115, 117
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General Specifications
Table 1 Accuracy Specifications (cont.)
Function
Range
Resolution
Accuracy
± ([% of Reading] + [Counts])
Beeper on < 20 Ω, off > 250 Ω;
detects opens or shorts of
500 μs or longer.
Model
114, 115,
117
Continuity
600 Ω
1Ω
Ohms
600.0 Ω
6.000 kΩ
60.00 kΩ
600.0 kΩ
6.000 MΩ
40.00 MΩ
0.1 Ω
0.001 kΩ
0.01 kΩ
0.1 kΩ
0.001 MΩ
0.01 MΩ
0.9 % + 2
0.9 % + 1
0.9 % + 1
0.9 % + 1
0.9 % + 1
5%+2
114, 115,
117
Diode test
2.000 V
0.001 V
0.9 % + 2
115, 117
Capacitance
1000 nF
10.00 μF
100.0 μF
9999 μF
1 nF
0.01 μF
0.1 μF
1 μF
1.9 % + 2
1.9 % + 2
1.9 % + 2
100 μF - 1000 μF: 1.9 % + 2
> 1000 μF: 5 % + 20
115, 117
Lo-Z Capacitance
(Power-up option)
1 nF to 500 μF
10% + 2 typical
115, 117
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Table 1 Accuracy Specifications (cont.)
Function
Range
Resolution
6.000 A
AC Amps True10.00 A[3]
rms[1]
20 A for 30 seconds max.,
(45 Hz to 500 Hz)
10 minutes rest min.
0.001 A
0.01 A
DC Amps
6.000 A
10.00 A[3]
20 A for 30 seconds max.,
10 minutes rest min.
0.001 A
0.01 A
Hz (V or A input)[2]
99.99 Hz
999.9 Hz
9.999 kHz
50.00 kHz
0.01 Hz
0.1 Hz
0.001 kHz
0.01 kHz
Accuracy
± ([% of Reading] + [Counts])
Model
1.5 % + 3
115, 117
1.0 % + 3
115, 117
0.1 % + 2
115, 117
Notes:
[1] All ac ranges except Auto-V LoZ are specified from 1 % to 100 % of range. Auto-V LoZ is specified from 0.0 V.
Because inputs below 1 % of range are not specified, it is normal for this and other true-rms meters to display nonzero readings when the test leads are disconnected from a circuit or are shorted together. For volts, crest factor of
≤3 at 4000 counts, decreasing linearly to 1.5 at full scale. For amps, crest factor of ≤3. AC volts is ac-coupled. AutoV LoZ, AC mV, and AC amps are dc-coupled.
[2] AC Volts Hz is ac-coupled and specified from 5 Hz to 50 kHz. AC Amps Hz is dc-coupled and specified from 45 Hz
to 5 kHz.
[3] >10 A unspecified.
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True-rms Multimeters
General Specifications
Table 2. Input Characteristics
Function
Volts AC
Volts DC
Auto-V LoZ
Ohms
Diode Test
Input Impedance
(Nominal)
Common Mode Rejection Ratio
(1 kΩ Unbalanced)
>5 MΩ <100 pF
>60 dB at dc, 50 or 60 Hz
>10 MΩ <100 pF
>100 dB at dc, 50 or 60 Hz
~3 kΩ <500 pF
>60 dB at dc, 50 or 60 Hz
Open Circuit Test Voltage
Full Scale Voltage
<2.7 V dc
<2.7 V dc
To 6.0 MΩ
40 MΩ
<0.7 V dc
<0.9 V dc
2.000 V dc
Normal Mode
Rejection
>60 dB at 50 or 60
Hz
Short Circuit
Current
<350 μA
<1.2 mA
23
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1.877.766.5412
114, 115, and 117
Users Manual
24
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1.877.766.5412
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