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Flexible Clamp Meter

CM57-2

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The FLIR CM57-2 is a flexible clamp meter designed for difficult current measurements. With its 18-inch (45.72 cm) flexible coil clamp, the CM57-2 allows you to take measurements in tight spots, making it ideal for multiple-conductor measurements and double-wrap requirements. The meter also features dual LED work lights for better visibility, and AC current ranges from 30.00 A to 3000 A. Stream live data in real time from the CM57-2 to your mobile device over Bluetooth using the METERLiNK® app to visually compare log files, customize alarm thresholds, create reports, and share readings instantly with team members.

Get the accuracy you need in any space

  • Get into Tight Spaces with Ease

    Wrap the 18-inch flexible coil clamp around multiple conductors or large cables.

  • See Clearly in Any Condition

    Dual LED worklights provide better visibility in dark or poorly lit areas so you can work more efficiently and safely.

  • Stay Connected

    Stream live data in real time from the CM57-2 to your mobile device over Bluetooth® using the METERLiNK® app.

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get inspection information to the people you need

FLIR METERLiNK® App

The FLIR METERLiNK® app allows you to monitor a variety of environmental and electrical conditions simultaneously with the ability to connect with up to seven FLIR compatible meters at once. METERLiNK allows you to safely capture images and monitor hazardous areas remotely and in real time. Whether you're connecting several FLIR clamp meters, digital multimeters, or any of the new METERLiNK app compatible meters, you will be able to keep tabs on key readings around your facility and easily share them with your team.

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Specifications
Measurement & Analysis
AC Current Bandwidth
45–500 Hz (sine wave)
AC Current Ranges and Resolution
30.00 A, 300.0 A, 3000 A
AC Response
True RMS
Basic AC current accuracy (of reading)
±3.0% + 5 digits
Display Rate
2 times per second
Flex Coil Length
45 cm (18 in)
Flex Coil Tip Diameter
13 mm (0.5 in)
Inrush Current
Minimum 0.5 A, 100 mS
Max Conductor Diameter
12 cm (4.7 in)
Maximum AC current
3000 A AC
Maximum resolution
0.01 A
Measurement Rate
1.5 samples per second, nominal
Positional Error [distance from optimum]
35 mm (1.4 in) ±1.0%, 50 mm (2.0 in) ±1.5%, 60 mm (2.4 in) ±2.0%
Communication & Data Storage
Bluetooth range max
10 m (32 ft)
Data Record Mode
20,000 points; 1 minute sample rate
Wireless ID# max
Up to 20
User Interface
Display
3000-count LCD with backlight and multi‐function indicators
Power
Auto Power Off
Approximately 10 minutes
Battery life
100 hours with alkaline batteries (calculated)
Battery type
2 x 1.5 V AAA
General
Coil Bend Radius
80 mm (3.1 in)
Coil Diameter
7.5 mm (0.3 in)
Display Indications
Progressive low battery, over range, hold
Maximum Conductor Diameter
12 cm (4.7 in)
Size [L × W × H]
330 mm × 175 mm × 28.45 mm ( 13 in × 6.89 in × 1.12 in)
Weight
233 g (0.51 lb) with batteries
Worklights
2x LEDs
Environmental & Certifications
Certifications
UL, CE, FCC, IC, UKCA, CSAUS
Drop test
3 m (9.8 ft)
IP Rating
IP54 dust-protected and splash-resistant
Operating Altitude
2000 m (6562 ft) max
Operating Humidity
Maximum 80% up to 35°C (95°F) decreasing linearly to 60% at 45°C (113°F)
Operating Temperature
0°C to 50°C (32°F to 122°F)
Safety Rating
CAT IV-600 V, CAT III-1000 V
Standards
Safety (UL):
IEC 61010-1:2010, IEC 61010-2-032:2012

EMC (FCC):
47 CFR Part 15 Subpart B

EMC (CE):
EN IEC 61326-1:2021
EN IEC 61326-2-2:2021
EN 301 489-1 V2.2.3 (2019-11)
EN 301 489-17 V3.2.4 (2020-09)

RF:
ETSI EN 300 328 V2.2.2
EN 62479:2010
EN 50663:2017
Storage Humidity
80% relative humidity (maximum)
Storage Temperature
-20°C to 60°C (-4°F to 140°F) without batteries
Temperature Coefficient
0.2 × specified accuracy/°C, <64.5°F (18°C), >82.4°F (28°C)
Accessories
Related Documents
Export Restrictions

Export Restrictions

The information contained in this page pertains to products that may be subject to the International Traffic in Arms Regulations (ITAR) (22 C.F.R. Sections 120-130) or the Export Administration Regulations (EAR) (15 C.F.R. Sections 730-774) depending upon specifications for the final product; jurisdiction and classification will be provided upon request.

CM57-2