nicebutdim said:The CPC model, the TEK and the DiLOG all look pretty much identical, excluding colour/badges, so I suspect there is one factory and different mark-ups!For more information, please visit our website.
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The CPC model, the TEK and the DiLOG all look pretty much identical, excluding colour/badges, so I suspect there is one factory and different mark-ups!I have the DiLOG and it works fine, you get some variation if you move the clamp w.r.t. the two cables you are assessing but it is still returning sane readings.The spec sheets also tell you what @DPG has said about accuracy, it is 5% and 8 digits on the lowest range. So for zero current you might see anything from 0.0-0.8mA reported, and for 199mA it might be out by 10.8mA either way.True, for checking RCD trip margins that is still small enough to ignore, but it shows you it is nothing like as low as the 0.1mA that the digital readout might suggest.The Megger DCM305E is two orders of magnitude better in terms of usable resolution, but then it costs 5 times as much as the CPC model! So if it mattered to me for electronic work or similar where better accuracy was necessary I would get the Megger, but for a handy tool for checking RCD threshold or measuring the consumption of low-power circuits (as well as domestic to 100A+) then the CPC or clones are all good choices.
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Clamp meters provide safe measurement of AC current, DC current and leakage current by clamping around wire(s) and circuits. The current can be safely measured by clamping on the covered wire(s) without cutting the wire.
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