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Multimeters
Clamp Meters
expand
Clamp Meters
Leakage Testers
Insulation Testers
Thermal Imaging
Specialty Meters
expand
Automotive
Avionics
Coil / Motor
Explosion Proof
Gas Detection
HVAC
Telecommunications
Accessories
Search by Brand
expand
Bosch
Extech
Flir
Fluke
Gossen Metrawatt
Hioki
HT Instruments
Ideal
Kyoritsu
Lutron
Prova
Reed Instruments
Tenmars
Yokogawa
More Info
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Understanding Terms and Features
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Understanding Technical Terms and Features
Understanding Terms - Low Pass Filter
May 15, 2020
When eagerly going through the specs on multimeters (like most people like to do in their spare time😁), have you ever come across the function LPF,...
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Understanding Terms - Polarisation Index
January 08, 2020
What is Polarisation Index? When testing insulation on electrical equipment, sometimes it is necessary to obtain a polarisation index (PI). Polaris...
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Understanding Terms - Duty Cycle
June 26, 2019
What is Duty Cycle? Duty cycle is the ratio of how long something is turned on for, in relation to total time. It describes the relationship betwe...
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Understanding Terms - Crest Factor
June 26, 2019
Some multimeters will give the crest factor in the specifications. Why would we want to know anything about crest factor parameters when choosing ...
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Understanding Terms - IP Rating
June 26, 2019
What is IP Rating? IP rating is a scale of how well a multimeter or clamp meter stands up to dust and moisture. Most people understand that the hi...
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Understanding Terms - Installation Category Rating
June 26, 2019
Most multimeters come with an 'installation category' (CAT) rating. The specification will be CAT I, CAT II, CAT III or CAT IV. The CAT rating ref...
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Understanding Terms - Accuracy
June 26, 2019
What is accuracy on a multimeter or clamp meter? Accuracy refers to how accurate the displayed figure is compared to the actual value of the measu...
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Understanding Terms - Count, Range and Resolution
June 26, 2019
What does Count / Digits refer to on a Multimeter? The terms Count and Digits are used interchangeably, and refer to the way a digital multimeter ...
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Understanding Terms - True RMS
June 26, 2019
When looking at multimeter specifications TRMS, True RMS or True Root Mean Square is often quoted. But what is it… without the maths! AC in electr...
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