Author Topic: Hanna Bluetooth PH meter?  (Read 614 times)

Offline awakephd

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Re: Hanna Bluetooth PH meter?
« Reply #15 on: April 21, 2017, 01:11:34 PM »
Interestingly, even with the flat-tip Extech I've learned not to trust the first reading - I'm assuming something similar is happening. After the first reading, I get consistent readings in one spot, slight differences over one face, and sometimes but not always slightly greater differences between one face and the other. I generally average it out to decide on the reading ...
-- Andy