Current Testing Essentials

Martindale Electric

Current Testing Essentials

Published: 9 June 2022 · Category: Technical articles

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Need to measure current? Get the right tool for the job with the Martindale checklist Whether it’s low current AC, DC for PV and battery systems, or leakage current, here’s the essential checklist to get the right clamp meter • Consider minimum and maximum current levels • AC only current or AC and DC current? • Check the safety Installation Category (CAT) rating for your location • Select key features for ease of use - auto ranging, backlight and thumbwheel • Match the resolution and accuracy to the minimum current to be measured • Consider additional functionality - AC/DC Voltage, Resistance and Min/Max monitoring • Check the jaw size for easy access and maximum conductor size. • Use true RMS measurement clamps & flexes for reliable and repeatable results TRUE RMS TRUE RMS CM57 AC TRUE RMS TRUE RMS CM69 AC Leakage CM79 AC/DC 0.001mA resolution www.martindale-electric.co.uk Call: 01923 441717 email: [email protected] CM95 Hi Res AC Flex 85mm diameter