Thread: hanna phep 5 calibration error
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Old 08-09-2007, 07:32 PM posted to rec.crafts.winemaking
homebrewdude
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Posts: 26
Default hanna phep 5 calibration error
I am trying to calibrate my Hanna ph meter.

I mixed up new solutions of 4.00 and 7.00

I hold on till CAL shows up.

It says "use" 7.01
Then it says "use" "4.01"

After a few seconds it says "WRNG"
 

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