FLIR DM93 - Industrial multimeter for measuring effective values
FLIR DM93 - Industrial multimeter for measuring effective values

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Manufacturer: Teledyne FLIR

FLIR DM93 - Industrial multimeter for measuring effective values

FLIR CM93

Industrial multimeter for measuring effective values.

This device is thoroughly tested and calibrated. With proper use, it will provide reliable service for many years.

Main Features

  • Extra-large display with 4000/40,000 counts.
  • Automatic AC/DC selection in voltage and current modes.
  • On-screen selection menu and navigation button.
  • Variable frequency drive mode (low-pass filter).
  • 0.05% accuracy for DC voltage.
  • Low-Z measurement.
  • Automatic on-screen data holding.
  • Peak hold measurement.
  • dB/dBm measurement.
  • Capable of automatic storage of 20,000 data records.
  • Capable of manual storage/recall. 99 data records.
  • Indoor use only; 2000 m.
  • Bluetooth interface with included software.
  • Safety rating: CAT IV-600 V, CAT III-1000 V.

Meter description

FLIR CM93

Front View

  1. LCD Display
  2. Function Buttons
  3. Function Buttons, Selector Board
  4. Function Switch

Technical Data

General Parameters

  • Maximum Voltage Applicable to Any Terminal: 1000 V DC or 1000 V AC RMS.
  • Number on Display: 4000/40000.
  • Polarity indication: automatic, positive, negative.
  • Out-of-range indication: OL.
  • Measurement rate: 10 samples per second.
  • Power requirements: 6 x 1.5V AAA alkaline batteries.
  • Battery life: approx. 100 hours with alkaline batteries (backlight, work light, and Bluetooth off).
  • Low battery voltage: approx. 7.0V.
  • Automatic shutdown: 10 minutes by default.
  • Operating temperature and relative humidity:

    • -10℃ to 30℃, <85%RH.
    • From 30℃ to 40℃, 75%RH.
    • 40℃ to 50℃, <45% RH.
  • Storage temperature and relative humidity: -30℃ to 60℃, 0–80% RH (batteries not installed).
  • Temperature coefficient: 0.1× (specified accuracy)/℃, <18℃, <28℃.
  • Operating altitude: 2000m.
  • Calibration cycle: once a year.
  • Weight: 465g with batteries.
  • Dimensions (H×W×L): 52mm×83mm×188mm with holster.
  • Safety: compliant with IEC61010-1CATIV-600V,CATIII-1000V,IEC 61010-2-033.
  • Bluetooth range is up to 10m.
CAT Application field
I Circuits not connected to the grid
II Circuits connected directly to the low-voltage installation
III Building installation.
IV Low-voltage installation source


EMC: EN 61326-1. Pollution Degree: 2. Vibration: Per MIL-PRF-28800 for a Class 2 instrument. Drop Protection: 1.5 m.

Electrical Specifications

  • Accuracy: ±(% of reading + number of digits (dgt)) at 18-28℃, (<80%RH).
  • For specifications in 4¾ mode, multiply the number of digits by 10.
  • For best measurements, use the REL Δ function to compensate for offsets.

Voltage. Specification resolution in 3¾ mode.

Mode Range Accuracy
DC 40.00 mV 0.05% + 3 digits
400.0 mV 0.05% + 1 digit
4,000 V
40.00 V
400.0 V
1000 V
From 40 Hz to 70 Hz From 70 Hz to 1 kHz From 1 kHz to 5 kHz From 5 kHz to 20 kHz1
Current 40.00 mV 0.5% + 2 digits 1.0% + 4 digits 2.0% + 4 digits Undefined
400.0 mV 0.5% + 2 digits 1.0% + 4 digits 2.0% + 4 digits 2.0% + 20 digits
4,000 V
40.00 V
400.0V 0.5% + 2 digits 1.0% + 4 digits 2.0% + 4 digits2 Undefined
1000 V 0.5% + 2 digits 1.0% + 4 digits Undefined Undefined

1. Below 10% of range, add 10 digits to the accuracy.
2. Frequency range 1kHz to 2kHz.
Input protection: 1000V DC or 1000V AC RMS
Input impedance:

  • mV: 1 MΩ, <100 pF.
  • V: 10 MΩ, <100 pF.

Bandwidth: 40 Hz to 20 kHz.
Minimum resolution: 1 μV over a 40 mV range.

CMRR/NMRR (Common Mode Rejection Ratio/Normal Mode Rejection Ratio):

  • V AC: CMRR > 60 dB at DC, 50 Hz/60 Hz.
  • V DC: CMRR > 100 dB at DC, 50 Hz/60 Hz.
  • NMRR > 50 dB at DC, 50 Hz/60 Hz.

AC Conversion Type: AC-coupled, true RMS response, calibrated to sine wave input. For non-sinusoidal waves, add the following crest factor corrections:

  • For a crest factor of 1.4–2.0, add 1.0% to the AC accuracy.
  • For a crest factor of 2.0–2.5, add 2.5% to the AC accuracy.
  • For a crest factor of 2.5–3.0, add 4.0% to the AC accuracy.

Intensity. Specification resolution in 3 ¾ mode.

Mode Range Accuracy
DC 40.00 mA 0.2% + 1 digit
400.0 mA
4,000 A
10.00 A 0.2% + 2 digits
From 40 Hz to 70 Hz From 70 Hz to 1 kHz From 1 kHz to 10 kHz
Current1 40.00 mA 1.0% + 2 digits 2.0% + 4 digits 2.0% + 4 digits2
400.0 mA
4,000 A 1.0% + 2 digits 2.0% + 4 digits Undefined

1. Below 5% of the AC range, add 20 digits to the precision.
2. Below 10% of range, add 10 digits to the accuracy.
Input Protection: Equipped with a high-energy fuse.

  • 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)

Input Impedance:

  • mA: 1 Ω on mA input.
  • A: 10 mΩ on A input.

Bandwidth: 40 Hz to 10 kHz.
Minimum Resolution: 1 μA on 40 kHz range mA.
Maximum measurement time: 1 minute on input A, 10 minutes on mA input. Minimum rest time is 20 minutes.
AC conversion type: The AC conversion type is the same as for voltage.

Additional AC specifications

Mode Range Accuracy
AC and DC current Same as V and A AC Accuracy + 1.0%
VFD AC Accuracy for 40–400 Hz
Peak Hold on Screen AC Accuracy + (3.0% + 100 dgt) for 40Hz to 1kHz
Low Z Same as V Accuracy + 1.0%

VFD Cutoff Frequency: 800 Hz (–3 dB point).
VFD Damping Characteristics: Approx. –24 dB.

Range Resolution Accuracy
400.00 Hz 0.01 Hz ± 5 dgt
4.0000 kHz 0.1 Hz
40,000 kHz 1 Hz
100.00 kHz 10 Hz

Minimum detected frequency: 5 Hz.

Frequency counter sensitivity

Function Range Sensitivity (peak-to-peak)
From 5 Hz to 10 kHz		 Sensitivity (peak to peak)
10-100 kHz
mV 40,000 mV 10 mV 10 mV
400.00 mV 100 mV 100 mV
V 4.0000 V 1 V 1 V
40,000 V 10 V 10 V
400.00 V 100 V 100 V
1000 V 600 V Undefined
mA 40,000 mA 10 mA Undefined
400.00 mA 100 mA
A 4.0000 A 1:00 AM Undefined
10,000 A 6:00 AM

Resistance. Specification resolution in 3 ¾ mode.

Range Resolution Accuracy
400.0 Ω 100 mΩ ±(0.2% + 2 digits)
4,000 kΩ 1 Ω ±(0.2% + 1 digits)
40.00 kΩ 10 Ω
400.0 kΩ 100 Ω
4,000 MΩ 1 kΩ ±(1.0% + 1 digits)
40.00 MΩ 10 kΩ ±(2.0% + 20 digits)

Input protection: 1000V DC or 1000V AC RMS.

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FLIR CM93

Industrial multimeter for measuring effective values.

This device is thoroughly tested and calibrated. With proper use, it will provide reliable service for many years.

Main Features

  • Extra-large display with 4000/40,000 counts.
  • Automatic AC/DC selection in voltage and current modes.
  • On-screen selection menu and navigation button.
  • Variable frequency drive mode (low-pass filter).
  • 0.05% accuracy for DC voltage.
  • Low-Z measurement.
  • Automatic on-screen data holding.
  • Peak hold measurement.
  • dB/dBm measurement.
  • Capable of automatic storage of 20,000 data records.
  • Capable of manual storage/recall. 99 data records.
  • Indoor use only; 2000 m.
  • Bluetooth interface with included software.
  • Safety rating: CAT IV-600 V, CAT III-1000 V.

Meter description

FLIR CM93

Front View

  1. LCD Display
  2. Function Buttons
  3. Function Buttons, Selector Board
  4. Function Switch

Technical Data

General Parameters

  • Maximum Voltage Applicable to Any Terminal: 1000 V DC or 1000 V AC RMS.
  • Number on Display: 4000/40000.
  • Polarity indication: automatic, positive, negative.
  • Out-of-range indication: OL.
  • Measurement rate: 10 samples per second.
  • Power requirements: 6 x 1.5V AAA alkaline batteries.
  • Battery life: approx. 100 hours with alkaline batteries (backlight, work light, and Bluetooth off).
  • Low battery voltage: approx. 7.0V.
  • Automatic shutdown: 10 minutes by default.
  • Operating temperature and relative humidity:

    • -10℃ to 30℃, <85%RH.
    • From 30℃ to 40℃, 75%RH.
    • 40℃ to 50℃, <45% RH.
  • Storage temperature and relative humidity: -30℃ to 60℃, 0–80% RH (batteries not installed).
  • Temperature coefficient: 0.1× (specified accuracy)/℃, <18℃, <28℃.
  • Operating altitude: 2000m.
  • Calibration cycle: once a year.
  • Weight: 465g with batteries.
  • Dimensions (H×W×L): 52mm×83mm×188mm with holster.
  • Safety: compliant with IEC61010-1CATIV-600V,CATIII-1000V,IEC 61010-2-033.
  • Bluetooth range is up to 10m.
CAT Application field
I Circuits not connected to the grid
II Circuits connected directly to the low-voltage installation
III Building installation.
IV Low-voltage installation source


EMC: EN 61326-1. Pollution Degree: 2. Vibration: Per MIL-PRF-28800 for a Class 2 instrument. Drop Protection: 1.5 m.

Electrical Specifications

  • Accuracy: ±(% of reading + number of digits (dgt)) at 18-28℃, (<80%RH).
  • For specifications in 4¾ mode, multiply the number of digits by 10.
  • For best measurements, use the REL Δ function to compensate for offsets.

Voltage. Specification resolution in 3¾ mode.

Mode Range Accuracy
DC 40.00 mV 0.05% + 3 digits
400.0 mV 0.05% + 1 digit
4,000 V
40.00 V
400.0 V
1000 V
From 40 Hz to 70 Hz From 70 Hz to 1 kHz From 1 kHz to 5 kHz From 5 kHz to 20 kHz1
Current 40.00 mV 0.5% + 2 digits 1.0% + 4 digits 2.0% + 4 digits Undefined
400.0 mV 0.5% + 2 digits 1.0% + 4 digits 2.0% + 4 digits 2.0% + 20 digits
4,000 V
40.00 V
400.0V 0.5% + 2 digits 1.0% + 4 digits 2.0% + 4 digits2 Undefined
1000 V 0.5% + 2 digits 1.0% + 4 digits Undefined Undefined

1. Below 10% of range, add 10 digits to the accuracy.
2. Frequency range 1kHz to 2kHz.
Input protection: 1000V DC or 1000V AC RMS
Input impedance:

  • mV: 1 MΩ, <100 pF.
  • V: 10 MΩ, <100 pF.

Bandwidth: 40 Hz to 20 kHz.
Minimum resolution: 1 μV over a 40 mV range.

CMRR/NMRR (Common Mode Rejection Ratio/Normal Mode Rejection Ratio):

  • V AC: CMRR > 60 dB at DC, 50 Hz/60 Hz.
  • V DC: CMRR > 100 dB at DC, 50 Hz/60 Hz.
  • NMRR > 50 dB at DC, 50 Hz/60 Hz.

AC Conversion Type: AC-coupled, true RMS response, calibrated to sine wave input. For non-sinusoidal waves, add the following crest factor corrections:

  • For a crest factor of 1.4–2.0, add 1.0% to the AC accuracy.
  • For a crest factor of 2.0–2.5, add 2.5% to the AC accuracy.
  • For a crest factor of 2.5–3.0, add 4.0% to the AC accuracy.

Intensity. Specification resolution in 3 ¾ mode.

Mode Range Accuracy
DC 40.00 mA 0.2% + 1 digit
400.0 mA
4,000 A
10.00 A 0.2% + 2 digits
From 40 Hz to 70 Hz From 70 Hz to 1 kHz From 1 kHz to 10 kHz
Current1 40.00 mA 1.0% + 2 digits 2.0% + 4 digits 2.0% + 4 digits2
400.0 mA
4,000 A 1.0% + 2 digits 2.0% + 4 digits Undefined

1. Below 5% of the AC range, add 20 digits to the precision.
2. Below 10% of range, add 10 digits to the accuracy.
Input Protection: Equipped with a high-energy fuse.

  • 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)

Input Impedance:

  • mA: 1 Ω on mA input.
  • A: 10 mΩ on A input.

Bandwidth: 40 Hz to 10 kHz.
Minimum Resolution: 1 μA on 40 kHz range mA.
Maximum measurement time: 1 minute on input A, 10 minutes on mA input. Minimum rest time is 20 minutes.
AC conversion type: The AC conversion type is the same as for voltage.

Additional AC specifications

Mode Range Accuracy
AC and DC current Same as V and A AC Accuracy + 1.0%
VFD AC Accuracy for 40–400 Hz
Peak Hold on Screen AC Accuracy + (3.0% + 100 dgt) for 40Hz to 1kHz
Low Z Same as V Accuracy + 1.0%

VFD Cutoff Frequency: 800 Hz (–3 dB point).
VFD Damping Characteristics: Approx. –24 dB.

Range Resolution Accuracy
400.00 Hz 0.01 Hz ± 5 dgt
4.0000 kHz 0.1 Hz
40,000 kHz 1 Hz
100.00 kHz 10 Hz

Minimum detected frequency: 5 Hz.

Frequency counter sensitivity

Function Range Sensitivity (peak-to-peak)
From 5 Hz to 10 kHz		 Sensitivity (peak to peak)
10-100 kHz
mV 40,000 mV 10 mV 10 mV
400.00 mV 100 mV 100 mV
V 4.0000 V 1 V 1 V
40,000 V 10 V 10 V
400.00 V 100 V 100 V
1000 V 600 V Undefined
mA 40,000 mA 10 mA Undefined
400.00 mA 100 mA
A 4.0000 A 1:00 AM Undefined
10,000 A 6:00 AM

Resistance. Specification resolution in 3 ¾ mode.

Range Resolution Accuracy
400.0 Ω 100 mΩ ±(0.2% + 2 digits)
4,000 kΩ 1 Ω ±(0.2% + 1 digits)
40.00 kΩ 10 Ω
400.0 kΩ 100 Ω
4,000 MΩ 1 kΩ ±(1.0% + 1 digits)
40.00 MΩ 10 kΩ ±(2.0% + 20 digits)

Input protection: 1000V DC or 1000V AC RMS.

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