User Manual: FLIR DM90 User Manual

User Manual: FLIR DM90 User Manual
USER MANUAL
FLIR MODEL DM90
True RMS Industrial Multimeter
Table of Contents
1. ADVISORIES
4
1.1 Copyright
4
1.2 Quality Assurance
4
1.3 Documentation
4
1.4 Disposal of Electronic Waste
4
2. SAFETY
4
3. INTRODUCTION
6
3.1 Key Features
6
4. METER DESCRIPTION
7
4.1 Front and Back Descriptions
7
4.2 Function Switch Positions
8
4.3 Function Buttons and Selector/Navigation Pad
9
4.3.1 MODE Button Operation
4.3.2 Selector/Navigation Pad Operation
9
10
4.4 Display Description
10
4.5 Display Icons and Indicators
11
4.5.1 Probe Detection Alert
4.5.2 Out-of-range warning
12
12
4.6 Menu Icon Bar
13
5.OPERATION
14
5.1 Powering the Meter
14
5.1.1 Auto Power Off (APO)
14
5.2 Auto/Manual Range Mode
14
5.3 Voltage and Frequency Measurements
15
5.4 Resistance Measurements
16
5.5 Continuity Test
16
5.6 Classic Diode Test
17
5.7 Smart Diode Test
18
5.8 Capacitance Measurements
19
5.9 Type K Temperature Measurements
20
5.10 Current and Frequency Measurements
20
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5.10.1 Test Lead Current Measurements (A, mA, and µA)
5.10.2 FLEX Clamp Adaptor Current Measurements
5.11 Non-Contact Voltage Detector
25
5.12 Mode Icons and the Menu Bar
26
5.12.1 Selecting Modes using the Mode Menu Bar
5.12.2 VFD Mode (ACV and ACA only)
5.12.3 Peak Mode (ACV and ACA only)
5.12.4 Min/Max/Avg Mode
5.12.5 Frequency mode (ACV and ACA only)
5.12.6 Relative mode
5.12.7 Settings Menu
6.
7.
21
24
26
26
26
26
27
27
27
5.13 Data Hold and Auto Hold
28
5.13.1 Data Hold Mode
5.13.2 Auto Hold Mode
28
28
MAINTENANCE
29
6.1 Cleaning and Storage
29
6.2 Battery Replacement
29
6.3 Fuse Replacement
29
6.4 Disposal of Electronic Waste
29
SPECIFICATIONS
30
7.1 General specifications
30
7.2 Electrical Range Specifications
31
8.
TECHNICAL SUPPORT
36
9.
WARRANTY
37
9.1 FLIR Global Limited Lifetime Warranty
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1. Advisories
1.1 Copyright
© 2016, FLIR Systems, Inc. All rights reserved worldwide. No parts of the software
including source code may be reproduced, transmitted, transcribed or translated into
any language or computer language in any form or by any means, electronic, magnetic,
optical, manual or otherwise, without the prior written permission of FLIR Systems.
The documentation must not, in whole or part, be copied, photocopied, reproduced,
translated or transmitted to any electronic medium or machine readable form without
prior consent, in writing, from FLIR Systems.
Names and marks appearing on the products herein are either registered trademarks or
trademarks of FLIR Systems and/or its subsidiaries. All other trademarks, trade names or
company names referenced herein are used for identification only and are the property
of their respective owners.
1.2 Quality Assurance
The Quality Management System under which these products are developed and
manufactured has been certified in accordance with the ISO 9001 standard.
FLIR Systems is committed to a policy of continuous development; therefore, we reserve
the right to make changes and improvements on any of the products without prior
notice.
1.3 Documentation
To access the latest manuals and notifications, go to the Download tab at:
http://support.flir.com. It only takes a few minutes to register online. In the download
area you will also find the latest releases of manuals for our other products, as well as
manuals for our historical and obsolete products.
1.4 Disposal of Electronic Waste
As with most electronic products, this equipment must be disposed of in an
environmentally friendly way, and in accordance with existing regulations for
electronic waste.
Please contact your FLIR Systems representative for more details.
2. Safety
Safety Notes



Before operating the device, you must read, understand, and follow all instructions,
dangers, warnings, cautions, and notes.
FLIR Systems reserves the right to discontinue models, parts or accessories, and other
items, or to change specifications at any time without prior notice.
Remove the batteries if the device is not to be used for an extended period of time.
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Warning Statements

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


Do not operate the device if you do not have the correct knowledge. Incorrect operation
of the device can cause damage, shock, injury or death to persons.
Do not start a measuring procedure before you have set the function switch to the
correct position. Failure to do so can cause damage to the instrument and can cause
injury to persons.
Do not change to the resistance mode when measuring voltage. This can cause damage
to the instrument and can cause injury to persons.
Do not measure the current on a circuit when the voltage increases to more than 1000 V.
This can cause damage to the instrument and can cause injury to persons.
You must disconnect the test leads from the circuit under test before you change the
range. Failure to observe this warning can damage the instrument and cause bodily
injury.
Do not replace the batteries before you remove the test leads. This can cause damage to
the instrument and can cause injury to persons.
Do not use the device if the test leads and/or the device show signs of damage. Injury to
persons can occur.
Be careful performing measurements if the voltages are > 25 VAC rms or 35 VDC. There is
a risk of shock from these voltages. Injury to persons can occur.
Do not do diode, resistance or continuity tests before you have removed the power from
capacitors and other devices under test. Injury to persons can occur.
Be careful when performing voltage checks on electrical outlets. These checks are
difficult because of the uncertainty of the connection to the recessed electrical contacts.
You must not rely solely on this this device when determining if the terminals are not
“live”. There is a risk of electrical shock. Injury to person can occur.
Do not touch expired/damaged batteries without gloves. Injury to persons can occur.
Do not cause a short circuit of the batteries. This can cause damage to the instrument
and can cause injury to persons.
Do not put the batteries into a fire. Injury to persons can occur.
Cautions
Do not use the device in a manner not specified by the manufacturer. This can cause damage to
the protection provided.
This symbol, adjacent to another symbol or terminal, indicates that the user
must refer to the user manual for further information.
This symbol, adjacent to a terminal, indicates that, under normal use, hazardous
voltages may be present.
Double insulation.
UL listing is not an indication or a verification of the accuracy of the meter
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3. Introduction
Thank you for selecting the FLIR DM90 True RMS Digital MultiMeter with Type-K
thermocouple and work light features. The DM90 can measure voltage up to 1000V
AC/DC and includes Low-Z (low impedance), VFD (low pass filter), Non-Contact Voltage
Detector, and Smart/Classic Diode modes. This device is shipped fully tested and
calibrated and, with proper use, will provide years of reliable service.
3.1 Key Features







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6000 count 2.8” digital LCD display with bargraph
Measures Voltage, Current (A, mA, µA), Frequency, Resistance/Continuity,
Diode, Capacitance, Non-Contact Voltage, and Temperature
Customizable via easy-to-use Settings menu
Automatic and Manual ranging
Input over-voltage warning
MIN-MAX-AVG memory
PEAK MIN and PEAK MAX
Flex Clamp direct input
On-screen programming menu navigation
CLASSIC and SMART Diode modes
Variable-frequency drive VFD mode (low-pass filter)
Low-Z (low impedance) mode
Relative mode
Data Hold and Auto Hold
Auto Power OFF
Safety Category Rating: CAT IV-600V, CAT III-1000V
Equipped with batteries, test leads, alligator clips, test lead storage attachment,
Type-K thermocouple, and Quick Start Reference Guide.
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4. Meter Description
4.1 Front and Back Descriptions
Fig. 4-1 Front View
1.
Work Light and NCV Detector
2.
LCD Display
3.
Navigation/OK buttons
4.
MODE Button
5.
RANGE Button
6.
Work light Button
7.
Rotary Function Switch
8.
Positive (+) Probe Input Jack for A (Current).
9.
Positive (+) Probe Input Jack for mA
(Current).
10. COM (-) Probe Input Jack
11. Positive (+) Probe Input Jack for all inputs
except A and mA
12. Display Backlight Button
13. Cancel/Return Button
14. Display HOLD Button
1.
Test Lead holder attachment mounts
2.
Tripod mount (test lead holder attaches here
also)
3.
Tilt Stand (Battery Compartment located
beneath the stand)
Fig. 4-2 Rear View
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4.2 Function Switch Positions
Detect AC voltage through the non-contact sensor at the top of the meter.
Measure voltage through the probe inputs with a low-impedance load
positioned across the inputs that stabilizes the measurement.
Meter is switched OFF and in full power-saving mode.
FLEX Direct: Auxiliary channel for use with optional Flexible Current clamp or
standard clamp adaptors when > 600A measurements are required. In this
mode, the meter will display true rms ACA measurements from the connected
device. Frequency (Hz) can be displayed by pressing the MODE button.
Measure AC voltage (V) through the probe inputs.
Measure DC voltage (V) through the probe inputs.
Measure low voltage (mV) through the probe inputs. Use the MODE button to
select AC/DC voltage.
Measure temperature through the probe inputs using a thermocouple
adaptor. Use the MODE button to select Temperature (see Section 5.12.7,
Settings Menu, to select °C or °F as the default unit).
Measure resistance, continuity, capacitance, or diode through the probe
inputs. Use the MODE button to select the desired function.
Measure current through the probe inputs (A or mA). Use the MODE button to
select AC or DC.
Measure µA current through the probe inputs. Use the MODE button to select
AC or DC.
Fig. 4-3 Function Switch
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4.3 Function Buttons and Selector/Navigation Pad
Use to select a sub-function of the primary function. See Section 4.3.1, MODE
Button Operation, for details.
From Auto range mode, press to select Manual range mode.
From Manual range mode, press < 1 second to change the range (scale). Press
> 1 second to activate Auto range mode
Press to toggle between Hold mode and normal display mode. Use the Settings
menu (see Section 5.12.7, Settings Menu) to select Data hold or Auto hold.
Use the selector/navigation pad to enable extended functionality modes and
to navigate mode menu options.
Press to cancel/exit a screen in the Settings menu (no function in the normal
mode).
Press to enable/disable the display backlight. The display backlight is ON when
the meter is powered up.
Press to enable/disable the work light.
4.3.1 MODE Button Operation
Switch Position
MODE button sequence of operation
AC → DC → °F or °C
Resistance → Continuity → Capacitance → Diode
AC → DC
AC → DC
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4.3.2 Selector/Navigation Pad Operation
There are five (5) ‘soft’ Function buttons arranged in a square, as shown in Figure 4-4.
The function of these buttons changes, depending on the menu-driven sub-function
selected.
Fig. 4-4 Selector Navigation Pad
Pressing the OK button (center) selects a menu-driven option. The OK button is also
used to enter deeper sub-menus of selection screens.
The LEFT/RIGHT buttons:
In normal mode, the left/right buttons are used to move the menu cursor
In Settings mode, the left/right buttons are used to change the value of an option
The UP/DOWN buttons:
In normal mode, the up/down buttons have no function
In Settings mode, the up/down buttons are used to change an option.
4.4 Display Description
Fig. 4-5 Display Icons
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4.5 Display Icons and Indicators
Low Impedance mode
Measured voltage is > 30 V (AC or DC)
Non-Contact Voltage detector
MAX (Maximum) reading value displayed
MIN (Minimum) reading value displayed
AVG (Average) reading value displayed
PEAK MAX value displayed
PEAK MIN value displayed
Auto range mode
Data Hold mode.
Primary display (large digits)
Secondary display (smaller digits)
Battery voltage status
Auto power off function enabled
AC current or voltage
DC current or voltage
Flex Clamp Direct Input
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Continuity function
Diode test function
MENU BAR ICON: VFD mode (see Section 4.6, Menu Icon Bar)
P
MENU BAR ICON: Peak mode
MENU BAR ICON: Min/Max/Avg modes
Hz
MENU BAR ICON: Frequency mode
MENU BAR ICON: Relative mode
MENU BAR ICON: Settings mode
Work light active
Bar Graph Measurement Indicator
4.5.1 Probe Detection Alert
For current measurements, when the probe leads are not plugged into the correct jack
sockets for the measurement selected by the function switch, the probe display alert
‘Prob’ is shown.
4.5.2 Out-of-range warning
If the input is over/under the full-scale range in Manual range mode, or if the signal has
exceeded the maximum/minimum input in Auto range mode, ‘OL’ is displayed.
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4.6 Menu Icon Bar
There are (6) functions in the Menu Bar represented by the following icons. Refer to
Section 5.11 for greater detail on the Menu Icon functions.
VFD (low pass filtering)
P
Peak Max and Peak Min (Auto Hold)
MAX-MIN-AVG memories
Hz
Frequency measurements
Relative mode
Settings mode
1.
Only one icon flashes at a time to indicate the cursor position.
2.
Use the Left / Right buttons to move the cursor.
3.
Press the OK button to activate / deactivate the selected function. The LCD will
show a frame around the activated function.
4.
In the AC Voltage/AC mV/AC Current/Flex/LoZ modes all icons shown above are
available.
For DC Current/Voltage, Resistance, Continuity, Capacitance, Temperature, and
Diode only the MAX-MIN-AVG, Relative, and Settings icons are available.
5.
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5.Operation
Caution: Before operating the device, you must read, understand, and follow all
instructions, dangers, warnings, cautions, and notes.
Caution: When the meter is not in use, the function switch should be set to the OFF
position.
Caution: When connecting the probe leads to the device under test, connect the COM
(negative) lead before connecting the positive lead. When removing the probe leads,
remove the positive lead before removing the COM (negative) lead.
5.1 Powering the Meter
1. Set the function switch to any position to switch on the meter.
2. If the battery indicator shows that the battery voltage is low or if the meter does not
power on, replace the batteries. See Section 6.2, Battery Replacement.
5.1.1 Auto Power Off (APO)
The meter enters sleep mode after a programmable period of inactivity, see Section
5.12.7, Settings Menu. The default time-out is 20 minutes. The time can be set from 1 ~
99 minutes (select OFF to disable the APO). 20 seconds prior to entering APO mode,
the meter beeps three times; at this point, press any button or turn the Rotary Switch
to reset the APO timer.
5.2 Auto/Manual Range Mode
In Auto range mode, the meter automatically selects the most appropriate measurement
scale. In Manual range mode, the desired range (scale) can be adjusted by the user.
Auto range mode is the default mode of operation. When a new function is selected with
the function switch, the starting mode is Auto range and the indicator is displayed.
1.
2.
To enter Manual range mode, short press the
button. To change the
range, press the
button repeatedly until the desired range is displayed.
To return to the Auto range mode, long press the
button until the Auto
Range indicator is again displayed.
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5.3 Voltage and Frequency Measurements
1.
2.
Refer to the Fig. 5-1 below.
Set the function switch to one of the following positions:

(VDC) or

(VAC) for high voltage measurements.
(milli-volts) for low voltage measurements (use MODE to select AC or
DC).

3.
4.
5.
6.
7.
for voltage measurements using the meter’s low input impedance
mode. The LoZ indicator will be displayed (use MODE to select AC or DC).
Insert the black probe lead into the negative COM terminal and the red probe
lead into the positive terminal.
For mV and LoZ measurements use the
button to select AC or DC
measurement:
 The
indicator will be displayed for AC measurements.
 The
indicator will be displayed for DC measurements.
Connect the probe leads in parallel to the part under test.
Read the voltage value on the display.
For AC Voltage Measurements, the Frequency (Hz) of the measured voltage is
shown on the smaller, secondary display digits above the primary voltage
reading. To display only the Frequency, navigate to Hz using the arrow buttons
and enable the mode by pressing OK.
Fig. 5-1 Voltage and Frequency Measurements
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5.4 Resistance Measurements
Warning: Do not perform diode, resistance or continuity tests before removing power
from capacitors and other devices under test during a measurement. Injury to persons
can occur.
1.
2.
3.
4.
5.
Refer to Fig. 5-2. Set the function switch to the
position.
Use
to step to the Ω display if necessary.
Insert the black probe lead into the negative COM terminal and the red probe
lead into the positive Ω terminal.
Touch the tips of the probe across the circuit or component under test.
Read the resistance value on the display.
5.5 Continuity Test
Warning: Do not perform diode, resistance or continuity tests before removing the
power from capacitors and other devices under test during a measurement. Injury to
persons can occur.
1.
2.
3.
4.
5.
Refer to Fig. 5-2. Set the function switch to the
position.
Use the
button to select continuity. The
indicator will be displayed.
Insert the black probe lead into the negative COM terminal and the red probe
lead into the positive terminal.
Touch the tips of the probe across the circuit or component under test.
If the resistance is < 20Ω the meter beeps. If the resistance is > 200Ω the meter
will not beep. > 20Ω but < 200Ω the beeping will stop at an unspecified point.
Fig. 5-2 Resistance and Continuity Measurements
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5.6 Classic Diode Test
Warning: Do not perform diode tests before removing the power to the diode or other
devices under test during a measurement. Injury to persons can occur.
1. If not already selected, choose CLASSIC Diode test mode in the Settings menu
(see Section 5.12.7, Settings Menu).
2.
3.
4.
5.
Set the function switch to the diode
position. Use the MODE button to
select the diode test function. The diode indicator
will be displayed.
Insert the black probe lead into the negative COM terminal and the red probe
lead into the positive terminal.
Touch the tips of the probe across the diode or semiconductor junction under
test in one polarity (direction) and then in the opposite polarity as shown in Fig.
5-3.
If the reading is between 0.400 and 0.800V in one direction and OL (overload) in
the opposite direction, the component is good. If the measurement is 0V in both
directions (shorted) or OL in both directions (open), the component is bad.
Fig. 5-3 Classic Diode Measurements
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5.7 Smart Diode Test
Warning: Do not perform diode tests before removing the power from capacitors and
other devices under test during a measurement. Injury to persons can occur.
1. If not already selected, choose SMART Diode test mode in the Settings menu
(see Section 5.12.7, Settings Menu).
2.
3.
4.
5.
Set the function switch to the diode
position. Use the MODE button to
select the diode test function. The diode indicator
will be displayed.
Insert the black probe lead into the negative COM terminal and the red probe
lead into the positive Ω terminal.
Touch the tips of the probe across the diode or semiconductor junction under
test.
If the reading is between ± 0.400 ~ 0.800V, the component is good; BAD or O.L
displays indicate a defective component.
NOTES: In SMART Diode mode the meter checks diodes using an alternating test
signal sent through the diode in both directions. This allows the user to check the
diode without having to reverse polarity manually. The meter display will show ±
0.400 ~ 0.800V for a good diode, ‘bAd’ for a shorted diode, and ‘O.L’ for an opened
diode. See Fig. 5.4 below:
Fig. 5-4 SMART Diode Test
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5.8 Capacitance Measurements
Warning: Do not perform capacitance tests before removing the power to the capacitor
or other devices under test during a measurement. Injury to persons can occur.
1.
2.
Set the function switch to the
position.
Use the
button to select the capacitance measurement. The F (Farad) unit
of measure will be displayed.
3. Insert the black probe lead into the negative COM terminal and the red probe
lead into the positive terminal.
4. Touch the tips of the probe across the part under test.
5. Read the capacitance value on the display.
Note: For very large capacitance values, it may take several minutes for the
measurement to settle and the final reading to stabilize.
Fig. 5-5 Capacitance Measurements
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5.9 Type K Temperature Measurements
1.
2.
3.
4.
5.
6.
Set the function to the Temperature position.
Use the
button to select temperature measurement. The °F or °C unit will
be displayed. To change from F to C or from C to F, please use the Settings menu
(see Section 5.12.7, Settings Menu).
While observing the polarity, insert the thermocouple adapter into the negative
COM terminal and the positive terminal.
Touch the tip of the thermocouple to the part under test. Keep the
thermocouple tip on the part until the reading stabilizes.
Read the temperature value on the display.
To avoid electrical shock, disconnect the thermocouple adapter before turning
the function switch to another position.
Fig. 5-6 Temperature Measurements
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5.10 Current and Frequency Measurements
For test lead current measurements, disconnect the
part under test and connect the test leads in series with
the part, see Figure 5.7.
Fig. 5-7 Disconnected component
5.10.1 Test Lead Current Measurements (A, mA, and µA)
1.
2.
3.
4.
5.
For test lead measurements (A, mA, and µA), set the function switch to the
or
position.
Insert the black probe lead into the negative COM terminal and the red probe
lead into one of the following positive terminals:
 A for high current measurements.
 mA for lower current measurements.
 µA for micro-amp measurements
Use the
button to select AC or DC measurement.
 The
indicator will be displayed for AC measurements.
 The
indicator will be displayed for DC measurements.
Connect the probe leads in series with the part in accordance with Figure 5.7
and Fig. 5-8 for ‘A’ measurements, Fig. 5-9 for mA measurements, or Fig. 5-10
for µA measurements.
Read the current and frequency values on the display (note that the frequency
function is not available for the µA function). To display only the Frequency,
navigate to Hz using the arrow buttons and enable the mode by pressing OK.
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Fig. 5-8 High Current ‘A’ and Frequency Measurements
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Fig. 5-9 mA Current and Frequency Measurements
Fig. 5-10 uA Current Measurements
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5.10.2 FLEX Clamp Adaptor Current Measurements
FLIR Flex Clamp Adaptors (Models TA72 and TA74, for example) and other clamp
adaptors can be connected to the DM90 to display current measurements made by
a clamp adaptor.
1. Turn the function dial to the
position.
2. Connect a Clamp adaptor as shown in Fig. 5-11.
3. Set the Range of the Flex Clamp Adaptor to match the range of the DM90.
4. Use the RANGE button to select the range of the DM90 (1, 10, 100 mv/A). The
selected range will be shown on the right side of the DM90 display.
5. Operate the Flex Clamp per instructions provided with the Flex Clamp meter.
6. Read the current measured by the Flex Clamp on the DM90 LCD. The
frequency is also shown on the DM90’s secondary display.
Fig. 5-11 FLEX Clamp Application
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5.11 Non-Contact Voltage Detector
1. Set the function switch to the NCV
position.
2. Be sure to remove the test leads from the meter when doing NCV tests.
3. Use the
button to choose High (80~1000V) or Low (160~1000V) Sensitivity
mode.
4. Position the top of the meter close to a source of voltage or electromagnetic field.
5. When a voltage or electromagnetic field is detected the meter will emit a
continuous tone.
Fig. 5-12 Non-Contact Voltage Detector
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5.12 Mode Icons and the Menu Bar
In addition to the basic measurements, extended functionality modes are available.
5.12.1 Selecting Modes using the Mode Menu Bar
The mode icons applicable for the selected measurement type are displayed in the
lower part of the display. When a mode is enabled, the icon is framed.
P
Hz
Fig. 5-13 Menu Bar icons
1.
2.
3.
4.
Use the left/right navigation buttons to step to the desired mode icon. The
currently selected icon will flash.
Press the OK button to enable the selected mode icon (the icon will frame).
Use the up/down navigation buttons to step through the options for the
selected mode.
Press the OK button to disable the selected mode icon.
5.12.2 VFD Mode (ACV and ACA only)
In VFD (variable-frequency drive) mode, high-frequency noise is eliminated from the
voltage measurement through the use of a low-pass filter. VFD mode is available when
measuring AC voltage or AC current.
Navigate to
with the left/right arrows and enable/disable VFD mode by pressing
the OK button. The VFD mode is enabled when a frame appears around the icon.
5.12.3 Peak Mode (ACV and ACA only)
P
In Peak mode, the meter captures and displays the positive and negative peak values,
and updates only when a higher/lower value is registered.
1.
2.
3.
4.
5.
P
Navigate to and enable Peak mode by pressing OK.
Use the up/down navigation buttons to toggle Peak Max and Peak Min.
In Peak Max mode, the indicator is displayed.
In Peak Min mode, the indicator is displayed.
Press the
button to pause the Peak mode. Press again to continue.
5.12.4 Min/Max/Avg Mode
In Min/Max/Avg mode, the meter captures and displays the minimum, maximum, and
average readings, updating only when a higher/lower value is registered. The meter
also averages the total sum of all recorded values.
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1.
2.
Navigate to MIN-MAX AVG icon using the left/right arrow buttons and enable
the mode by pressing OK.
Use the up/down buttons to cycle through the minimum, maximum, and
3.
average reading displays. The corresponding icons are displayed:
Press
to pause. Press again to continue.
,
, or
5.12.5 Frequency mode (ACV and ACA only) Hz
In Frequency mode, the frequency is displayed in the main display and the period is
displayed in the secondary display. Frequency mode is available when measuring AC
voltage or current.
Navigate to Hz using the arrow buttons and enable the mode by pressing OK.
5.12.6 Relative mode
In Relative mode, the difference between the real-time reading and a stored reference
value is displayed in the main display. The reference value is displayed in the secondary
display (smaller digits above the larger, primary display).
Navigate to
using the arrow buttons and enable the mode by pressing OK.
5.12.7 Settings Menu
In Settings, you can customize the meter in the following ways:
1.
2.







Navigate to the Settings icon
using the arrow buttons and access the menu
by pressing the OK button.
Use the up/down buttons to step through the modes, use the left/right arrows
to change a setting, and press OK to activate and save the changes. Refer to the
list below:
Auto power off (APO): Use the left/right arrows to set the time period after
which the meter enters sleep mode (1 ~ 99 minutes, or set to OFF to disable
APO). The factory default is 20 minutes.
Auto backlight off (BLit): Use the left/right arrows to set the time period after
which the backlight automatically turns off (1 ~ 99 minutes or set to OFF to
disable). The factory default is 5 minutes.
Auto hold / Data hold (hold: A.H. or d.H.): Use the left/right arrows to select
Auto hold or Data hold mode. For more information, see Section 5.13, Data
Hold and Auto Hold.
Use the left/right arrows to select the default (dEF) temperature unit of
measure oC or oF.
Diode (dio) mode (Smart or Classic modes); see Section 5.6, Classic Diode, and
Section 5.7, Smart Diode. Use the left/right buttons to select Classic (C.d.) or
Smart mode (S.d.)
Coarse Resolution (C.r. ON/OFF). Use the arrow buttons to select ON (to limit
the least significant display digits) or OFF (to display with maximum resolution).
Reset (rSt): Press OK to revert to the factory default settings.
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5.13 Data Hold and Auto Hold
The meter has two HOLD modes: classic Data Hold and Auto Hold. To select Data Hold or
Auto Hold as the default, please use the Settings menu (see Section 5.12.7, Settings
Menu).Refer to the paragraphs below for instructions on using the Hold modes.
5.13.1 Data Hold Mode
In Data Hold mode, the primary meter display freezes the last reading. To enter/exit
Data Hold mode, press the
button. In Hold mode, the indicator is displayed.
5.13.2 Auto Hold Mode
In Auto hold mode, the secondary display freezes the last reading and the icon
flashes. The real-time reading is displayed on the primary display.
The held reading will not change unless the difference between the held reading and
any new reading is > 50 digits.
The Auto hold function will capture a reading if the reading is > than the trigger level
(see table below):
Function
Auto Hold Trigger Level
Voltage
> 1% full scale
Current
> 1% full scale
Capacitance
> 1% full scale
Resistance
With ‘OL’ not displayed
Diode
With ‘OL’ not displayed
Temperature
With ‘OL’ not displayed
To enter/exit Auto hold mode, press the
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6. Maintenance
6.1 Cleaning and Storage
Clean the meter with a damp cloth and mild detergent; do not use abrasives or solvents.
If the meter is not to be used for an extended period, remove the batteries and store
them separately.
6.2 Battery Replacement
The Battery symbol flashes with no ‘bars’ when the batteries have reached a critical level.
The meter displays readings within specifications while the low battery indicator is on.
The meter powers off before it displays an out of tolerance reading.
WARNING: To avoid electrical shock, disconnect the meter from any connected circuits,
remove the test leads from the meter terminals, and set the function switch to the OFF
position before attempting to replace the batteries.
1. Unscrew and remove the battery compartment cover.
2. Replace the four (4) standard AAA batteries, observing correct polarity.
3. Secure the battery compartment cover.
Never dispose of used batteries or rechargeable batteries in household waste.
As consumers, users are legally required to take used batteries to appropriate collection sites, the
retail store where the batteries were purchased, or wherever batteries are sold.
6.3 Fuse Replacement
The two fuses are accessed via the battery compartment cover. The fuses are rated:
 mA: 440 mA, 1000 V IR 10 kA fuse (Bussmann DMM-B-44/100).
 A: 11 A, 1000 V IR 20 kA fuse (Bussmann DMM-B-11A).
6.4 Disposal of Electronic Waste
As with most electronic products, this equipment must be disposed of in an
environmentally friendly way, and in accordance with existing regulations for electronic
waste. Please contact your FLIR Systems representative for more details.
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7. Specifications
7.1 General specifications
Maximum voltage:
1000 V DC or 1000 V AC RMS
Display Counts:
6000
Polarity Indication:
Automatic, positive implied, negative indicated
Over-range Indication:
OL
Measuring Rate:
3 samples per second
Power Requirements:
4 x 1.5 V AAA alkaline batteries
Battery Life:
Approx. 110 hours with backlight and work light off
Battery consumption:
< 6 mA in DCV mode with backlight, work light, and beeper off
Low Battery Voltage:
Approx. 4.7V ±0.2V
Auto Power Off:
Default 20 minutes
Operating Temp/RH:
14°F to 86°F (-10°C to 30°C), < 85% RH
86°F to 104°F (30°C to 40°C), < 75% RH
104°F to 122°F (40°C to 50°C), <45% RH
Storage Temperature/RH:
-4°F to 140°F (-20°C to -60°C), 0-80% RH (without batteries)
Temperature Coefficient:
0.1 x (specified accuracy)/°C, < 64.4°F (18°C), >82.4°F (28°C)
Operating Altitude:
6560’ (2000m)
Calibration Cycle:
One year
Weight:
19.8 oz. (535g)
Dimensions:
(L x W x H) 7.9 x 3.7 x 1.9 in. (200 x 95 x 49 mm)
Safety:
Complies with IEC 61010-1 CAT IV-600 V, CAT III-1000V
CAT
Application Field
I
Circuits not connected to mains.
II
Circuits directly connected to a low-voltage installation.
III
Building installation.
IV
Source of the low-voltage installation.
EMC: EN 61326-1
Pollution degree: 2
Drop protection: 9.8’ (3m)
Max. Operating Altitude: 6562 ft. (2000m)
Vibration: Random Vibration per MILPRF28800F Class 2
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7.2 Electrical Range Specifications
Accuracy is given as ± (% of reading + counts of least significant digit) at 23°C ± 5°C, with relative humidity < 80%
Temperature coefficient: 0.1 * (Specified accuracy) / °C, < 18°C, > 28°C
AC Function notes:
● ACV and ACA specifications are ac coupled, true RMS.
● For all AC functions, LCD displays 0 counts when the reading < 10 counts.
● For square waves, accuracy is unspecified.
● For non-sinusoidal waveforms, additional accuracy for Crest Factor (C.F.):
○ Add 1.0% for C.F. 1.0 to 2.0
○ Add 2.5% for C.F. 2.0 to 2.5
○ Add 4.0% for C.F. 2.5 to 3.0
● Max. Crest Factor of Input Signal:
○ 3.0 @ 3000 counts
○ 2.0 @ 4500 counts
○ 1.5 @ 6000 counts
● Frequency Response is specified for sine waveform.
DC Voltage
Range
OL Reading
Resolution
6.000V
6.600V
0.001V
60.00V
66.00V
0.01V
600.0V
660.0V
0.1V
1000V
1100V
1V
Accuracy
±(0.09% + 2D)
Input Impedance: 10MΩ
Overload Protection: AC/DC 1000V
AC Voltage
Range
OL Reading
Resolution
Accuracy
Freq. Response
6.000V
6.600V
0.001V
±(1.0% + 3D)
45Hz ~ 500Hz
60.00V
66.00V
0.01V
600.0V
660.0V
0.1V
±(1.0% + 3D)
45Hz ~ 1kHz
1000V
1100V
1V
Input Impedance: 10MΩ (< 100pF)
Overload Protection: AC/DC 1000V
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Lo-Z Voltage (Auto AC & DC Detection)
Range
OL Reading
Resolution
600.0V DC & AC
660.0V
0.1V
1000V DC & AC
1100V
1V
Accuracy
±(2.0% + 3D)
Input Impedance: about 3kΩ
Frequency Response: 45 ~ 1kHz (Sine Wave)
Overload Protection: AC/DC 1000V
DC mV
Range
OL Reading
Resolution
Accuracy
600.0mV
660.0mV
0.1mV
±(0.5% + 2D)
Input Impedance: 10MΩ
Overload Protection: AC/DC 1000V
AC mV
Range
OL Reading
Resolution
Accuracy
600.0mV
660.0mV
0.1mV
±(1.0% + 3D)
Accuracy
Frequency Response: 45 ~ 1kHz (Sine Wave)
Input Impedance: 10MΩ
Overload Protection: AC/DC 1000V
DC Current
Range
OL Reading
Resolution
60.00mA
66.00mA
0.01mA
400.0mA
660.0mA
0.1mA
6.000A
6.600A
0.001A
10.00A
20.00A
0.01A
±(1.0% + 3D)
±(1.0% + 3D)
The accuracy of measurements > 10A is unspecified.
Maximum measurement time: > 5A for max. 3 minutes with at least 20-minute rest time.
> 10A for max.30 seconds with at least 10-minute rest time.
Overload Protection: AC/DC 11A for A terminal. AC/DC 660mA for mA terminal.
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AC Current
Range
OL Reading
Resolution
60.00mA
66.00mA
0.01mA
400.0mA
660.0mA
0.1mA
6.000A
6.600A
0.001A
10.00A
20.00A
0.01A
Accuracy
±(1.5% + 3D)
±(1.5% + 3D)
Accuracy of readings > 10A is unspecified.
Maximum measurement time: > 5A for max. 3 minutes with at least 20-minute rest time.
> 10A for max. 30 seconds with at least 10-minute rest time.
Frequency Response: 45 ~ 1kHz (Sine Wave)
Overload Protection: AC/DC 11A for A terminal. AC/DC 660mA for mA terminal.
DC μA
Range
OL Reading
Resolution
400.0μA
440.0μA
0.1μA
4000μA
4400μA
1μA
Accuracy
±(1.0% + 3D)
Input Impedance: approx. 2kΩ
Overload Protection: AC/DC 1000V
AC μA
Range
OL Reading
Resolution
400.0μA
440.0μA
0.1μA
4000μA
4400μA
1μA
Accuracy
±(1.0% + 3D)
Input Impedance: approx. 2kΩ; Frequency Response: 45 ~ 1kHz (Sine Wave)
Overload Protection: AC/DC 1000V
Resistance
Range
OL Reading
Resolution
Accuracy
600.0Ω
660.0Ω
0.1Ω
±(0.9% + 5D)
6.000kΩ
6.600kΩ
0.001kΩ
±(0.9% + 2D)
60.00kΩ
66.00kΩ
0.01kΩ
±(0.9% + 2D)
600.0kΩ
660.0kΩ
0.1kΩ
±(0.9% + 2D)
6.000MΩ
6.600MΩ
0.001MΩ
±(0.9% + 2D)
50.00MΩ
55.00MΩ
0.01MΩ
±(3.0% + 5D)
Overload Protection: AC/DC 1000V
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Continuity
Range
OL Reading
Resolution
Accuracy
600.0Ω
660.0Ω
0.1Ω
±(0.9% + 5D)
Continuity: Built-in beeper sounds when measured resistance is less than 20Ω and is off when measured
resistance is more than 200Ω. Between 20Ω and 200Ω the beeper will stop at an unspecified point.
Continuity Indicator: 2KHz Tone Buzzer; Response Time of Buzzer: < 500μsec.
Overload Protection: AC/DC 1000V
Diode
Range
OL Reading
Resolution
Typical Reading
1.500V
1.550V
0.001V
0.400 ~ 0.800V
Open Circuit Voltage: Approx. 1.8V; Overload Protection: AC/DC 1000V
Frequency
Range
OL Reading
Resolution
100.00Hz
100.00Hz
0.01Hz
1000.0Hz
1000.0Hz
0.1Hz
10.000kHz
10.000kHz
0.001kHz
100.00kHz
100.00kHz
0.01kHz
Accuracy
±(0.1% + 2D)
ACV - Minimum Sensitivity (including LoZ ACV):
Range
5Hz ~ 1kHz
1kHz ~ 10kHz
>10kHz
600.0mV
60mV
100mV
Unspecified
6.000V
0.6V
6V
Unspecified
60.00V
6V
10V
Unspecified
600.0V
60V
100V
Unspecified
1000V
600V
Unspecified
Unspecified
ACA - Minimum Sensitivity:
Range
5Hz ~ 10kHz
>10kHz
60.00mA
10mA
Unspecified
600.0mA
60mA
Unspecified
6.000A
2A
Unspecified
10.00A
2A
Unspecified
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FLEX Current - Minimum Sensitivity:
Range
5Hz ~ 10kHz
>10kHz
30.00A
3.00A (0.300V)
Unspecified
300.0A
30.0A (0.300V)
Unspecified
3000A
300A (0.300V)
Unspecified
Minimum Frequency: 5Hz
Overload Protection: AC/DC 1000V or 600A
Capacitance
Range
OL Reading
Resolution
Accuracy
1000nF
1100nF
1nF
±(1.9% + 5D)
10.00µF
11.00µF
0.01µF
100.0µF
110.0µF
0.1µF
1.000mF
1.100mF
0.001mF
10.00mF
11.00mF
0.01mF
±(1.9% + 2D)
Overload Protection: AC/DC 1000V
Flex Current
Range
OL Reading
Resolution
30.00A
33.00A
0.01A
300.0A
330.0A
0.1A
3000A
3300A
1A
Accuracy
±(1.0% + 3D)
Accuracy does not include the accuracy of the Flexible Clamp Meter.
Frequency Response: 45 ~ 1kHz (Sine Wave)
Overload Protection: AC/DC 1000V
Type-K Temperature
Range
OL Reading
Resolution
Accuracy
-40.0°C to 400.0°C
440.0°C, -44.0°C
0.1°C
±(1% + 3°C)
-40.0°F to 752.0°F
824.0°F, -44.0°F
0.1°F
±(1% + 5.4°F)
Accuracy does not include the accuracy of the thermocouple probe.
Accuracy specification assumes surrounding temperature stable to ±1 °C. For surrounding temperature
changes of ± 2 °C, rated accuracy applies after 2 hours.
Accuracy specified for use with work light and backlight off only.
Overload Protection: AC/DC 1000V.
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NCV (Non-Contact Voltage Detector)
Voltage Range (High Sensitivity): 80V to 1000V
Voltage Range (Low Sensitivity): 160V to 1000V
Peak Max and Peak Min Hold
For ACV, AC mV, ACA, ACmA, AC μA, and Flex Current modes (unavailable for LoZ mode)
Specified accuracy ± 150 digits for < 6000 counts
Specified accuracy ± 250 digits for >/= 6000 counts
VFD (Low Pass Filter)
For ACV, AC mV, ACA, ACmA, AC μA, and Flex Current modes (unavailable for LoZ mode)
Specified accuracy is for 45Hz ~ 65Hz
Specified accuracy ± 4% for 65Hz ~ 400Hz
Accuracy is unspecified for > 400Hz
Cut-off Frequency: 800Hz
8. Technical Support
Main Website
http://www.flir.com/test
Technical Support Website
http://support.flir.com
Technical support Email
TMSupport@flir.com
Service/Repair Support Email
Repair@flir.com
Support Telephone number
+1 855-499-3662 option 3 (toll-free)
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9. Warranty
9.1 FLIR Global Limited Lifetime Warranty
A qualifying FLIR Test and Measurement product (the “Product”) purchased either directly from FLIR Commercial Systems Inc. and affiliates (FLIR) or
from an authorized FLIR distributor or reseller that Purchaser registers on-line with FLIR is eligible for coverage under FLIR’s Limited Lifetime
Warranty, subject to the terms and conditions in this document. This warranty only applies to purchases of Qualifying Products (see below)
purchased and manufactured after April 1, 2013.
PLEASE READ THIS DOCUMENT CAREFULLY; IT CONTAINS IMPORTANT INFORMATION ABOUT THE PRODUCTS THAT QUALIFY FOR COVERAGE UNDER
THE LIMITED LIFETIME WARRANTY, PURCHASER’S OBLIGATIONS, HOW TO ACTIVATE THE WARRANTY, WARRANTY COVERAGE, AND OTHER
IMPORTANT TERMS, CONDITIONS, EXCLUSIONS AND DISCLAIMERS.
1. PRODUCT REGISTRATION. To qualify for FLIR’s Limited Lifetime Warranty, Purchaser must fully register the Product directly with FLIR on-line at
http://www.flir.com within Sixty (60) DAYS of the date the Product was purchased by the first retail customer (the “Purchase Date”). Qualifying
PRODUCTS THAT ARE NOT REGISTERED ON-LINE WITHIN SIXTY (60) DAYS OF THE PURCHASE DATE WILL HAVE A LIMITED ONE YEAR WARRANTY
FROM DATE OF PURCHASE.
2. QUALIFYING PRODUCTS. Upon registration, Test and Measurement products that qualify for coverage under FLIR’s Limited Lifetime Warranty are:
MR7x, CM7x, CM8x, DM9x, IM7x and VP5x not including accessories which may have their own warranty.
3. WARRANTY PERIODS. For purposes of The Limited Lifetime Warranty, Lifetime is defined as seven years (7) after the product is no longer
manufactured, or ten years (10) from date of purchase, whichever is greater. This Warranty is only applicable to the original owner of the Products.
Any Product that is repaired or replaced under warranty is covered under this Limited Lifetime Warranty for one hundred eighty days (180) days
from the date of return shipment by FLIR or for the remaining duration of the applicable Warranty Period, whichever is longer.
4. LIMITED WARRANTY. In accordance with the terms and conditions of this Limited Lifetime Warranty, and except as excluded or disclaimed in this
document, FLIR warrants, from the Purchase Date, that all fully registered Products will conform to FLIR’s published Product specifications and be
free from defects in materials and workmanship during the applicable Warranty Period. PURCHASER’S SOLE AND EXCLUSIVE REMEDY UNDER THIS
WARRANTY, AT FLIR’S SOLE DISCRETION, IS THE REPAIR OR REPLACEMENT OF DEFECTIVE PRODUCTS IN A MANNER, AND BY A SERVICE CENTER,
AUTHORIZED BY FLIR. IF THIS REMEDY IS ADJUDICATED TO BE INSUFFICIENT, FLIR SHALL REFUND PURCHASER’S PAID PURCHASE PRICE AND HAVE NO
OTHER OBLIGATION OR LIABILITY TO BUYER WHATSOEVER.
5. WARRANTY EXCLUSIONS AND DISCLAIMERS. FLIR MAKES NO OTHER WARRANTY OF ANY KIND WITH RESPECT TO THE PRODUCTS. ALL OTHER
WARRANTIES, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
PURPOSE (EVEN IF PURCHASER HAS NOTIFIED FLIR OF ITS INTENDED USE FOR THE PRODUCTS), AND NON-INFRINGEMENT ARE EXPRESSLY EXCLUDED
FROM THIS AGREEMENT.
THIS WARRANTY EXPRESSLY EXCLUDES ROUTINE PRODUCT MAINTENANCE, SOFTWARE UPDATES, AND REPLACEMENT OF MANUALS, FUSES, OR
DISPOSABLE BATTERIES. FLIR FURTHER EXPRESSLY DISCLAIMS ANY WARRANTY COVERAGE WHERE THE ALLEGED NONCONFORMITY IS DUE TO
NORMAL WEAR AND TEAR, OTHER ALTERATION, MODIFICATION, REPAIR, ATTEMPTED REPAIR, IMPROPER USE, IMPROPER MAINTENANCE, NEGLECT,
ABUSE, IMPROPER STORAGE, FAILURE TO FOLLOW ANY PRODUCT INSTRUCTIONS, DAMAGE (WHETHER CAUSED BY ACCIDENT OR OTHERWISE), OR
ANY OTHER IMPROPER CARE OR HANDING OF THE PRODUCTS CAUSED BY ANYONE OTHER THAN FLIR OR FLIR’S EXPRESSLY AUTHORIZED DESIGNEE.
THIS DOCUMENT CONTAINS THE ENTIRE WARRANTY AGREEMENT BETWEEN PURCHASER AND FLIR AND SUPERSEDES ALL PRIOR WARRANTY
NEGOTIATIONS, AGREEMENTS, PROMISES AND UNDERSTANDINGS BETWEEN PURCHASER AND FLIR. THIS WARRANTY MAY NOT BE ALTERED
WITHOUT THE EXPRESS WRITTEN CONSENT OF FLIR.
6. WARRANTY RETURN, REPAIR AND REPLACEMENT. To be eligible for warranty repair or replacement, Purchaser must notify FLIR within thirty (30)
days of discovering of any apparent defect in materials or workmanship. Before Purchaser may return a Product for warranty service or repair,
Purchaser must first obtain a returned material authorization (RMA) number from FLIR. To obtain the RMA number Owner must provide an original
proof of purchase. For additional information, to notify FLIR of an apparent defect in materials or workmanship, or to request an RMA number, visit
http://www.flir.com. Purchaser is solely responsible for complying with all RMA instructions provided by FLIR including but not limited to adequately
packaging the Product for shipment to FLIR and for all packaging and shipping costs. FLIR will pay for returning to Purchaser any Product that FLIR
repairs or replaces under warranty.
FLIR reserves the right to determine, in its sole discretion, whether a returned Product is covered under Warranty. If FLIR determines that any
returned Product is not covered under Warranty or is otherwise excluded from Warranty coverage, FLIR may charge Purchaser a reasonable handling
fee and return the Product to Purchaser, at Purchaser’s expense, or offer Purchaser the option of handling the Product as a non-warranty return.
7. NON-WARRANTY RETURN. Purchaser may request that FLIR evaluate and service or repair a Product not covered under warranty, which FLIR may
agree to do in its sole discretion. Before Purchaser returns a Product for non-warranty evaluation and repair, Purchaser must contact FLIR by visiting
http://www.flir.com to request an evaluation and obtain an RMA. Purchaser is solely responsible for complying with all RMA instructions provided
by FLIR including but not limited to adequately packaging the Product for shipment to FLIR and for all packaging and shipping costs. Upon receipt of
an authorized non-warranty return, FLIR will evaluate the Product and contact Purchaser regarding the feasibility of and the costs and fees
associated with Purchaser’s request. Purchaser is responsible for the reasonable cost of FLIR’s evaluation, for the cost of any repairs or services
authorized by Purchaser, and for the cost of repackaging and returning the Product to Purchaser.
Any non-warranty repair of a Product is warranted for one hundred eighty days (180) days from the date of return shipment by FLIR to be free from
defects in materials and workmanship only, subject to all of the limitations, exclusions and disclaimers in this document.
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Corporate Headquarters
FLIR Systems, Inc.
2770 SW Parkway Avenue
Wilsonville, OR 97070
USA
Telephone: +1 503-498-3547
Customer Support
Technical Support Website
Technical Support Email
Service and Repair Email
Customer Support Telephone
http://support.flir.com
TMSupport@flir.com
Repair@flir.com
+1 855-499-3662 option 3 (toll free)
Publication Identification No.:
Release Version:
Release Date:
Language:
DM90-en-US
AA
January 2017
en-US
FLIR DM90 USER MANUAL
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