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Martindale CM79 True RMS AC/DC Clamp Meter

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  • Measures AC/DC current from 0 to 600A with excellent accuracy
  • Additional measurement parameters include voltage and resistance
  • Movable jaws have a 25mm clamping diameter

rrp £139.00

now £92.95 (Ex. VAT) £111.54 (Inc. VAT)

rrp £139.00

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  • Description

    Martindale CM79 True RMS AC/DC Clamp Meter

    The Martindale CM79 True RMS AC/DC Clamp Meter measures AC/DC current from 0 to 600A. AC readings are accurate to ±1.2% whilst DC readings have an accuracy of ±2%. The clamp is also capable of measuring AC/DC voltage up to 600V and resistance up to 1000Ω in addition to performing continuity testing.

    The jaw of the Martindale CM79 can clamp onto conductors up to 25mm in diameter and is operated by the simple trigger mechanism. The user can select the function using the ergonomic dial and results are shown on the meter’s backlit digital display. Data hold allows the user to freeze a reading on screen and there is a min/max recording function to show the true range of measurements.

    The Martindale CM79 is safety rated as Cat III 600V and comes supplied with a range of accessories including test leads and a soft carry case. It weighs just 255g and has a typical battery life of 50 hours.

    Martindale part number: MARCM79

    Key Features

    • True RMS AC current range: 0 to 600A
    • DC current range: 0 to 600A
    • AC/DC voltage range: 0 to 600V
    • Resistance range: 0 to 1000Ω
    • Continuity testing
    • ø25mm clamping diameter
    • Min/max display
    • 50-hour battery life
    • Cat III 600V
  • Specification

    DC Amps

    • 60.00A / 600.0A
    • Accuracy: ± 2% ± 5dgt

    AC Volts

    • 600.0V
    • Accuracy: ± 1.2% ± 5dgt

    DC Volts

    • DC V: 600.0V
    • Accuracy: ± 1% ± 2dgt


    • 999.0Ω
    • Accuracy: ± 1% ± 2dgt
    • Continuity: buzzer ≤ 30Ω

    Max Conductor

    • 25mm Ø
    • 35mmx15mm bus bar

    General Specifications

    • Operating environment: 0°C to 40°C, 80% RH
    • Safety: CAT III 600V
    • Power: 2 x 1.5V AAA
    • Weight: 255g approx.
    • Dimensions: 209 x 74 x 36mm
  • Supplied Accessories

    • Martindale CM79 True RMS AC/DC Clamp Meter
    • Martindale TL16 test leads
    • Soft carry case
    • Instruction manual for Martindale CM79
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  • Delivery Information

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    We use DPD/Interlink for all larger items and Royal Mail for smaller items and accessories. With DPD/Interlink you will receive a 1 hour delivery window on the day of delivery via e-mail/text and a notification 15 minutes before arrival so you will not have to wait around all day. You can even manage your booking online and re-arrange delivery for another date or arrange the goods to be left with a neighbour of your choice.

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    • Saturday Pre-Noon Delivery (on select products only) at £14.50*
    • Sunday Pre-Noon Delivery (on select products only) at £14.50*

    *UK mainland only

    NOTE! For next working day or Saturday/Sunday delivery options the order MUST be placed no later than 3pm on the working day before delivery is required. After 3pm, please arrange with our staff before selecting a priority delivery service. Priority services are available to UK mainland residents only (this might exclude certain areas in the north of Scotland).

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