Electronics > Metrology

Calibration of 34461A

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Trouble using front panel calibration.  When I push the "Perform cal step" button it says cal was successful, but the reading is unchanged.  When I push the "Perform ADC cal" button I returns an error message that the reference voltage was out of range. 
Keysight's tech support has been absolutely no help on this problem.   

Are you following the calibration procedure laid out in the service manual? Which step do you trip up at?

Following instructions.  Pushing the left cal button says cal was done, but meter still reads wrong.  Pushing the right button says cal source is out of range.

You have to follow the CAL instructions, otherwise it will not work.

Did you install the low-thermal shorting block as specified in the manual?


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