The Martindale CM54 is a low cost 1000A AC clamp meter, with basic multimeter functions. It has a large jaw diameter at 57mm, capable of clamping round a 70 x 18mm busbar.

Along with AC current, this clamp meter will also measure AC & DC volts, resistance, continuity, and includes Max & Hold buttons.

The Martindale CM54 is supplied with standard test leads, carry case and battery.

Display

3 1/2 digit LCD with large 21mm digits

AC Voltage

1V to 750V (50Hz to 500Hz)

Accuracy: +/- 1.5% + 4 digits

DC Voltage

1V to 1000V

Accuracy: +/- 0.5% + 4 digits

AC Current

100mA to 1000A (2 ranges), 50 / 60Hz

Accuracy: 0 - 600A +/- 1.5% + 5 digits; >600A +/- 2.0% + 5 digits

Resistance Ranges

200Ω, 20kΩ, 20MΩ, 2000MΩ

Resolution: 0.1Ω on 200Ω range

Accuracy Ranges

200Ω: +/- 1.2% + 4 digits

20kΩ: +/- 1.0% + 3 digits

20MΩ: +/- 2.0% + 5 digits

2000MΩ: +/- 5% + 10 digits

Continuity

Buzz at <75Ω

Max Conductor

57mm Ø or 70 x 18mm bus bar

General Specifications

Dimensions: 277 x 102 x 49mm

Weight: 540g approx

Supplied with test leads (TL16), carry case, battery and instruction manual

Martindale CM54 Specification Sheet

Martindale CM54 Instruction Manual