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CM57 Flexible Clamp Meter (18 inch)

FLIR CM57 Flexible Clamp Meter, a standalone 18 inch flexi-clamp for larger & multiple conductor measurements, double-wrap requirements, & deeper access.

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FLIR CM57 Flexible Clamp Meter with Bluetooth (18 inch)

The FLIR CM57 is an ergonomic tool designed to simplify difficult current measurements.

Made with a narrow, 18-inch (45.72 cm) flexible coil clamp, the CM57 lets you easily take measurements in tight or awkward spots. It is ideal for multiple-conductor measurements and double-wrap requirements. With Bluetooth communication for remote viewing and data transfer to iOS and Android devices via the FLIR Tools Mobile app, you can analyse and share data fast right from the jobsite.


FLIR CM57 Key Features:

  • Snake the coil around obstacles with ease, even in deep, crowded cabinets
  • True RMS AC Current up to 3,000 Amps for multiple conductor measurements
  • Inrush current function for equipment start-up spikes
  • Standalone flexible clamp meter displays the readings you need
  • Bright, dual LED work lights provide built-in illumination for dark cabinets
  • Drop tested to 3 meters, portable, lightweight, and tangle-free without compromising measurement range
  • Connect to iOS and Android smartphones or tablets
  • Multiple units wirelessly connect for remote viewing of multiphase systems
  • Data recording for trend analysis transferable via Bluetooth


▶ The FLIR CM55 & CM57 Flexi-Clamps:


Built for your application

Choose from two flexible coil lengths:

  • CM55 - 10" (25.4cm) for easy manoeuvrability and compact convenience
  • CM57 - 18" (45.72 cm) for larger and multiple conductor measurements, double-wrap requirements, and deeper access



Comparison Chart for: FLIR CM57 Flexible Clamp Meter (18 inch)

Flexible Conductor Length10 in (25.4 cm)18 in. (45.7 cm)
Maximum AC current3000 A AC3000 A AC
AC responseTrue RMSTrue RMS
AC current ranges / resolution30.00 A, 300.0 A, 3000 A30.00 A, 300.0 A, 3000 A
Basic AC current accuracy±3.0% + 5 digits±3.0% + 5 digits
Maximum resolution0.01 A0.01 A
AC Current bandwidth45 Hz – 500 Hz (sine wave)45 Hz – 500 Hz (sine wave)
Inrush currentMin 0.5 A, 100 mSMin 0.5 A, 100 mS
Data record mode20,000 points, 1 min. sample rate20,000 points, 1 min. sample rate
Positional error (Distance from optimum)15 mm (0.6 in) 2.0%35 mm (1.4 in) 1.0%
25 mm (1.0 in) 2.5%50 mm (2.0 in) 1.5%
35 mm (1.4 in) 3.0%60 mm (2.4 in) 2.0%
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