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| 2000V rated DMM/scope for solar |
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| kuon:
Hello, I am looking for a 2kV rated DMM/scope solution to measure solar strings. Especially to inspect the CPL signal many inverter use. I do not need decoding, only see if it's there and the "look" of it (frequency, amplitude). 100Mhz should be plenty enough. Most strings are under 1kV, but sometimes it is a bit more, and it can be way more when not installed properly, so I want to be safe and have a 2kV capable scope. I don't need anything fancy with features, just something safe, super reliable and rugged. For budget I was thinking <1k$, but as it is important to me, I'm ready to go up to 5k$ if it is what it takes. |
| Martin72:
Hi, Some time ago I was looking for a DMM that can measure over 1500V and found one at Uni-T, but there are also "better" ones from Beha Amprobe. Otherwise I would take a portable scope plus differential probe. Or a portable scope with isolated inputs and a 1:100 probe. |
| KungFuJosh:
Why wouldn't you just get high voltage probes? I have a PR2000B probe that can handle 2kV. |
| BeBuLamar:
The Fluke 393 clamp meter is rated for 1500VDC. |
| Someone:
It is the probe, not the device. But your budget is ambitious. http://www.pmk.de/en/products/5_mm_hochspannungstastkoepfe As above, a high voltage and high ratio differential probe may be the quickest and cheapest route. |
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