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Clamp Meters
The CM50 range of clamp meters from Martindale combines outstanding specifications, measuring capabilites and careful design to provide the most cost effective clamps available.| CM52 | 200A Mini clamp meter | CM58 | 1000A True RMS clamp meter |
| CM54 | 1000A Clamp meter | CM67 | Earth Leakage clamp meter |
| CM56 | Autoranging clamp meter | ||
We recommend fused test leads for use with clamp meters if taking measurments above 50V.
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200A MINI CLAMP METER - CM52 - £59.95 |
The Martindale CM52 is a low cost 200A mini clamp meter with 2A, 20A and 200A ranges, display hold and auto power down.
This small current clamp will fit into your shirt pocket for maximum convenience.The small jaws make it easy to use and the 3 current ranges accurately cover the majority of applications.
CM52 Technical Specification
Instruction Manual
| 1000A CLAMP METER - CM54 - £89.00 |
The CM54 is a low cost 1000A AC meter with large jaws and both voltage and resistance ranges. It is the ideal basic clamp meter for AC current use and has all the functions of a standard multimeter. The Max control allows you to measure the maximum reading and the Hold button can store and display any reading if you are working in an awkward place.
CM54 Technical Specification
Instruction Manual
| 1000A AUTORANGING CLAMP METER - CM56 - £108.00 |
The CM56 has a large display combining a clear 3¾ digit readout with a responsive 34 segment bar graph which indicates fluctuating readings. For general purpose measurements it has autoranging AC and DC voltage and measures resistance to 30MΩ with a beeper on the low resistance continuity range. It also measures frequency with 0.1Hz resolution allowing accurate determination of mains or generator frequencies Hold and AC peak functions are also included.
CM56 Technical Specification
Instruction Manual
| 1000A TRUE RMS CLAMP METER - CM58 - £168.00 |
The CM58 is the top model in this outstanding range of clamps. It measures both true RMS AC and DC current to 1000A, has the same voltage, resistance and frequency ranges as the CM56 and also measures capacitance.
The bar graph is improved to 42 segments providing an even more sensitive indication of changing readings and the CM58 also has max and min reading memories, AC peak and Hold feature and a diode test. Although the unit is autoranging, a manual range select override is available.
CM58 Technical Specification
Instruction Manual
| EARTH LEAKAGE CLAMP METER - CM67 - £299.00 |
A very high quality earth leakage clamp meter with resolution down to 0.01mA and a basic accuracy of 0.05mA. Ideal for identifying appliances or circuits which are causing RCDs to trip.
Comparison feature allows values between 1mA and 20mA to be set and the meter will beep if it measures above the pre set comparison level. This triggering allows you to identify the time of high leakage currents and so helps identify the offending equipment.
Earth leakage clamps operate by clamping around both the live and neutral conductors and measuring the difference between the currents flowing, allow the “leakage value” to be calculated.
CM67 Technical Specification
| CLAMP ADAPTOR - CT60 - £75.00 |
A general purpose 600A AC/DC current clamp adaptor, suitable for use with multimeters having 0 - 600mV AC/DC capability.
The unit is supplied with a flying lead, terminated with 4mm plugs which fit into the voltage and common/earth inputs of a multimeter having an input resistance of 10kΩ or greater. The CT60 converts AC or DC current to AC or DC voltages at the rate of 1mV per amp allowing a direct amp reading from the meter.
This adaptor is compatible with all Martindale multimeters except for the MM53.
CM60 Technical Specification
Instruction Manual
Also available as a kit.
