Datasheet
Additional Measurements DM90 DM91
Continuity Check 600 Ω 20 Ω and 200 Ω
Measuring Rate 3 samples per second 3 samples per second
General Information
Auto Power O Yes Yes
Worklights Yes Yes
Battery 4 AAA batteries; optional
TA04 Li-Poly rechargeable
battery
3 AA batteries; optional
TA04 Li-Poly rechargeable
battery
Drop Test 3 m 3 m
IP Rating IP54 IP40
Safety Category Rating CAT IV-600V, CAT III-1000V CAT IV-600V, CAT III-1000V
Size (L x W x H) 200 × 95 × 49 mm
(7.9 × 3.7 × 1.9 in)
200 × 95 × 49 mm
(7.9 × 3.7 × 1.9 in)
Weight 536 g (18.9 oz) 535 g (18.8 oz)
Warranty Limited lifetime warranty Limited lifetime 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 Order #
FLIR DM90 True RMS Industrial Multimeter 793950370841
FLIR DM91 Industrial TRMS Multimeter with Datalogging,
Connectivity
793950370919
For a complete list of available accessories, go to: flir.com/store/instruments/testaccessories
SPECIFICATIONS
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. Specications are subject to
change without notice. ©2017 FLIR Systems, Inc. All
rights reserved. 09/28/17
17-2461-INS -TAM
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.ir.com
NASDAQ: FLIR
Specifications are subject to change without notice. For the
most up-to-date specs, go to www.flir.com
Features by Meter DM90 DM91
Connectivity – Bluetooth®
Data Logging & Storage – 1 file of 40k scalar
measurements
Measurements-Both Models
True RMS Yes Yes
Range Basic Accuracy
AC / DC Volts 1000 V ±1.0% / 0.09%
AC / DC mVolt 600.0 mV ±1.0% / 0.5%
VFD AC Volts 1000 V ±1.0%
AC / DC LoZ V 1000 V ±2.0%
AC / DC Amps 10.00 A ±1.5% / 1.0%
AC / DC mAmps 400.0 mA ±1.5% / 1.0%
AC / DC μAmps 4,000 μA ±1.0%
Resistance 6.000 MΩ
50.00 MΩ
±0.9%
±3.0%
Capacitance 10.00 mF ±1.9%
Diode Test 1.500 V ±0.9%
Frequency Counter 100.00 kHz ±0.1%
Temperature, Type-K Thermo-
couple
-40°F to 752.0°F
-40°C to 400°C
±1.0% + 5.4°F
±1.0% + 3°C