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Cannot read 0 volts

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Cannot read 0 volts

Postby jpwevana2 » Mon Mar 10, 2014 6:46 pm

I'm currently using the PicoLog 1000 series to test a relay circuit.

However, I have no way of measuring 0 volts. I can't ground it or short it to allow it to see 0 volts. It just jumps around between 0 and 2.5v. Any voltage above 0v works just fine. But the moment it hits 0, it jumps. And if I short it or ground it, the average voltage even RAISES.
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Re: Cannot read 0 volts

Postby Martyn » Tue Mar 11, 2014 8:34 am

This sounds as if you may have some grounding and connection issues. Can you please email details of your circuit and connections to support@picotech.com, and one of the hardware specialists will take a look for you.
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