After the unit warms up, there is a 3 to 5 mV DC shift in the measured voltage when no probe is connected or if the input is shorted external to the unit.
When I select GND from the CH1 or CH2 settings, it *does* go to zero.
It would be helpful if there was a way we could adjust the input settings to compensate for this error. I know I can change the level and shift it down, but then the measurements (the numbers displayed on the screen) are incorrect.
Post time 2019-12-5 04:18:11
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