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EBC-a20 calibration problems

jonasforssell

New Member
Joined
Sep 9, 2023
Messages
1
Location
Sweden
Hello

I have pruchased an EBC-a20 ZKE Tech battery tester.
I have recalibrated it through the PC software (v1.8.5) but have major problems.

I can calibrate it between 2.9V and 4.3V but any values beyond this does not seem to register in the calibration.
I have also noticed that I cannot change a calibration value more than 0.2V from the "measured" value before it says "out of range".

Has anyone managed to calibrate their a20 successfully? What is the strategy?

The problem is that since it does not seem to move outside the 2.9 - 4.3V levels, I cannot increase the range of the tester.
It worked well initially. This is very annoying and their support is non-existant.

Best Regards
/Jonas, Sweden
 
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