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Hello,
I have a DSO3064 which I purchased off of Ebay approx 1 month ago.
Today I found that channel 4 voltage readings would fluctuate erratically even when the voltage being measured was stable.
I tried performing the Zero calibration, and trying different probes. Even withChannel 4 input shorted to the ground terminal, within 10 to 15 minutes of performing calibration the voltage will start fluctuating.
The attached images were taken immediately after calibrating all 4 channels and then 15 minutes later, the 4 probe inputs were shorted to the ground the entire time scope was running.
Can you suggest anything I can try to rectify this problem?
Thank You
Regards,
Dave
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