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What is the sampling rate of a PM3200?

Philippe_Morel
Commander Commander
Commander
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What is the sampling rate of a PM3200?

The update rate for a PM3000 is 1s.

Is this also the sampling rate?

Lets say that the registered Imax on the PM3255 is now 20A.

Then there is a current of 40A with a duration of only 150 ms (that falls between the update rate).

Will the Imax of the PM3255 change to 40A?

2 Replies 2
sesa207393_brid
Schneider Alumni (Retired)
Schneider Alumni (Retired)
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212

Re: What is the sampling rate of a PM3200?

Hi Philippe,

As I know the sampling rate of PM3200 range is 32 samples per cycle(20ms for 50Hz or 17ms for 60Hz), so generally  I think the sampling rate is fast enough for a 150ms current.

But about the Min/Max values there is a paragraph as following, the Min/Max values are recorded according to the measurements updated every second.

So I don't think PM3200 can always get the Min/Max values for a 150ms reading unless these two times are in the overlap.

Regards!

3331

Philippe_Morel
Commander Commander
Commander
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212

Re: What is the sampling rate of a PM3200?

Hi Pengbin,

Thank you for your answer!

Can anyone explain why the sampling rate is 32 samples per cycle when the PM3200 only shows and registers the value (seen) each second? Then a sampling rate of 1 per second would be sufficient.