Hello, I have Your oboe flexi tester, its worked fine, but now the reading is always high, from 95 to over 130. Then it was between 65- 110 with the same cane. How can I calibrate it? Thank You Peter
@FelixTurrionEichler
4 жыл бұрын
Hi Peter, Were you able to sort it out by now? Just out of interest. :-) Félix
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