Review on DT-5301 R loop phase-to-zero and short-circuit current meter CEM by Bogdan Lambev ᠌
The product did not disappoint, the quality pleases.
The device seems to measure the voltage between the phase and zero probes, and measure the current between the phase and ground probes. It seems like the PUE requires measuring exactly the current of a single-phase short circuit to a grounded case (ground). But, if you have a PEN conductor, then both probes (zero and ground) should be connected to it. It's not convenient to say the least. It would be better to add some kind of switch. And, in general, the device is worthy.
- Budget option for amateurs and semi-professionals.
- No instruction manual. There is no way to normally take measurements in the TN-C system, there are no problems with TN-S.
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