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discovery 2 voltmeter not working


javagerms

Question

setup on channel 1, and to measure 9v battery.  but got -20mv same value as without connecting to battery.

have the latest waveform2015. also, the temperature is totally wrong in the device manager (under the calibration), the room temperature is 66F, but it shows 101F.

 

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1 hour ago, Bianca said:

Hello @javagerms,

Do you get the same results using the channel 2? Did you connect the ground wire (the black one) to the same potential as the orange-white wire because the Discovery is differential but not floating.

Best regards,

Bianca

Hi Bianca,

i haven't tried the channel 2.

yes, my wiring is correct. i'll post some photo later.

the scope function is working.  

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