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Martindale CM69 AC TRMS Earth Leakage Clamp Meter

SKU
MARCM69
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£233.58 £194.65
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Martindale CM69 AC TRMS Earth Leakage Clamp Meter is designed to help troubleshoot leakage currents and causes of unwanted RCD tripping, with an outstanding low current capability able to resolve down to 1µA, peak hold, and a switchable low pass filter, it is ideal for many applications such as:

  • Periodic measurement of leakage current at 50Hz to check for insulation deterioration
  • Accurate measurement of triplen neutral currents and other distorted waveforms
  • Differential current measurement for appliance testing

Effectively measure AC/DC voltage and resistance, as the 23mm jaw is designed to help minimise other conductor fields which can affect the accuracy of readings. Take AC current measurement from 0.1mA right up to 60A with a resolution of 0.001mA in the 6mA range.

You can also easily measure earth leakage current simply by clamping around the earth protective conductor, or measure the differential leakage current, by clamping around both live and neutral conductors. 

Key Features

  • AC/DC Voltage up to 600V
  • AC Current 6Ma – 60A
  • TRMS
  • Data Hold
  • Switchable Low Pass Filter
  • Resistance Measurement
  • Continuity Measurement
  • Backlit display
  • 23mm Jaw Size
  • Earth Leakage Test
  • Rugged design
  • Auto-ranging

What’s Included?

  • Martindale TL16 test leads
  • Soft carry case
  • Batteries
  • Manual
Accessories related to this product:
  1. Martindale TL16 Low Cost Test Leads
    £9.18 £7.65
Part CodeMARCM69

Files & Downloads:

Martindale CM69 AC TRMS Earth Leakage Clamp Meter Technical Specifications

 Martindale CM69 TRMS Earth Leakage Clamp Meter
 DC Voltage
Range  Resolution Input Impedance   Accuracy
 60V  0.01V
  2M

  1.0% + 2
 600V  0.1V
 Overload Protection: 660V DC or AC rms
 AC Voltage (True RMS)
 Range  Resolution Input Impedance    Accuracy (50 to 500Hz)
 60V  0.01V
  2M

  1.0% + 3
 600V  0.1V
 Crest fctor: 2.0
 Overload Protection: 660V DC or AC rms
 AC Current (True RMS)
 Range   Resolution    Accuracy
(50 to 60Hz)  60 to 500Hz or LPF Selected 
 6mA  0.001mA 1.0% + 8  2.0% + 8 
60mA   0.01mA
  1.0% + 5  

2.0% + 5    
 600mA  0.1mA
6A   0.001A
 60A  0.01A
 Crest Factor: 2.0
 Overload Protection: 660V DC or AC rms
Resistance
 Range  Resolution  Open Circuit Voltage  Accuracy
 600 0.1 
  2.2V DC

  1.0% + 2
6K   0.001K
60K 0.01K
600K 0.1K
 Overload Protection: 660V DC or AC rms
 Continuity    
 Open Circuit Voltage Audible Indication     
 2.8V DC <55± 10     
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