I N D U S T R I A L T R M S M U LT I M E T E R S
FLIR DM90/91
TM
The FLIR DM90 and DM91 are affordable, safe, and re-
liable digital multimeters for a wide range of electrical
and electronic system applications. With durable design,
intuitive user interfaces, and comprehensive features
covering high and low voltage applications, the DM90
and DM91 are uniquely positioned to help you trouble-
shoot electrical, electronic and HVAC/R systems. The
DM91 is also enhanced with Bluetooth® technology,
so you can connect via METERLiNK® to FLIR infrared
cameras, or to mobile devices running FLIR Tools
TM
or
the FLIR InSite
TM
workflow management system.
www.flir.com/test
FAST & EFFECTIVE
TROUBLESHOOTING
WORK EFFICIENTLY
Designed and built to make your job easier
DOCUMENT & SHARE RESULTS
View and share wirelesssly for improved workflow
Rich feature set ensures safe and accurate operations
• Diagnose complex systems with high and
low voltage measurement capabilities
• Measure True RMS, LoZ, and VFD, as well
as microamp and milliamp current
• Assess temperatures up to 400°C
(752°F) with Type-K thermocouple
• Work safely with built-in, non-contact AC voltage
• User-friendly design with an intuitive
interface and enhanced ergonomics
• Work longer with flexible battery options, powerful
LED worklights, and rugged, drop-tested design
• Detect and document intermittent trends
using the datalogging mode with on-board
storage of 40k measurements*
• Rely on the protection of CAT IV-600V,
CAT III-1000V safety ratings
• Send readings via METERLiNK to compatible
FLIR infrared cameras to embed data
into live or saved thermal images*
• Wirelessly connect to FLIR Tools or the FLIR InSite
workflow management application, for efficient
troubleshooting and streamlined inspections*
* FLIR DM91 model only.
S P E C I F I C AT I O N S
Features by Meter
Connectivity
Data Logging & Storage
DM90
–
–
DM91
Bluetooth®
1 file of 40k scalar
measurements
Additional Measurements
Continuity Check
Measuring Rate
DM90
600 Ω
3 samples per second
DM91
20 Ω and 200 Ω
3 samples per second
General Information
Auto Power Off
Yes
Yes
4 AAA batteries; optional
TA04 Li-Poly rechargeable
battery
3m
IP54
CAT IV-600V, CAT III-1000V
200 × 95 × 49 mm
(7.9 × 3.7 × 1.9 in)
536 g (18.9 oz)
Limited lifetime warranty
Yes
Yes
3 AA batteries; optional
TA04 Li-Poly rechargeable
battery
3m
IP40
CAT IV-600V, CAT III-1000V
200 × 95 × 49 mm
(7.9 × 3.7 × 1.9 in)
535 g (18.8 oz)
Limited lifetime warranty
Worklights
Battery
Measurements-Both Models
True RMS
Yes
Yes
Range
AC / DC Volts
AC / DC mVolt
VFD AC Volts
AC / DC LoZ V
AC / DC Amps
AC / DC mAmps
AC / DC μAmps
Resistance
Capacitance
Diode Test
Frequency Counter
Temperature, Type-K Thermo-
couple
1000 V
600.0 mV
1000 V
1000 V
10.00 A
400.0 mA
4,000 μA
6.000 MΩ
50.00 MΩ
10.00 mF
1.500 V
100.00 kHz
-40°F to 752.0°F
-40°C to 400°C
Basic Accuracy
±1.0% / 0.09%
±1.0% / 0.5%
±1.0%
±2.0%
±1.5% / 1.0%
±1.5% / 1.0%
±1.0%
±0.9%
±3.0%
±1.9%
±0.9%
±0.1%
±1.0% + 5.4°F
±1.0% + 3°C
Drop Test
IP Rating
Safety Category Rating
Size (L x W x H)
Weight
Warranty
Box Contents
FLIR digital multimeter, batteries, silicone test leads,
alligator clips, test lead storage/holder attachment, Type-K
thermocouple, soft carrying case
Ordering Information
FLIR DM90 True RMS Industrial Multimeter
FLIR DM91 Industrial TRMS Multimeter with Datalogging,
Connectivity
Order #
793950370841
793950370919
For a complete list of available accessories, go to: flir.com/store/instruments/testaccessories
Specifications are subject to change without notice. For the
most up-to-date specs, go to www.flir.com
CORPORATE
HEADQUARTERS
FLIR Systems, Inc.
27700 SW Parkway Ave.
Wilsonville, OR 97070
PH: +1 877.773.3547
NASHUA
FLIR Systems, Inc.
9 Townsend West
Nashua, NH 03063
USA
PH: +1 866.477.3687
LATIN AMERICA
FLIR Systems Brasil
Av. Antonio Bardella, 320
Sorocaba, SP 18085-852
Brasil
PH: +55 15 3238 7080
CANADA
FLIR Systems, Ltd.
920 Sheldon Court
Burlington, ON L7L 5K6
Canada
PH: +1 800.613.0507
www.flir.com
NASDAQ: FLIR
Equipment described herein is subject to US export
regulations and may require a license prior to export.
Diversion contrary to US law is prohibited. Imagery for
illustration purposes only. Specifications are subject to
change without notice. ©2017 FLIR Systems, Inc. All
rights reserved. 09/28/17
17-2461-INS-TAM