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Voltage and Current Measurement Method

Old 06-25-2007, 09:13 AM
  #1  
Sam_K
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Default Voltage and Current Measurement Method

Hi Bill,

I am very impressed with your Micropower E-Logger system and it is currently on the top of my wish list. I have a question though regarding how the Micropower measures voltage and current.

When the Micropower records an individual measurement of voltage or current is it an average of all values seen (in an analogue sense) between this measurement and the last, or is it simply the current value at the instant in time that it is recorded?

The reason I am asking is that I am wondering how a fast, transient spike will affect the recorded value if it occurs halfway between one measurement and the next. Will it bring up/down the value recorded or will it be missed completely?

Cheers,
Sam
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Old 06-25-2007, 09:14 PM
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billpa
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HI Sam,

Thanks for your question.

We "oversample" current and average, so a spike would be averaged in with other values read across the sample period.

Regards,

Bill, for Eagle Tree
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Old 06-26-2007, 08:55 AM
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Sam_K
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Thanks for the quick response Bill!
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