Analog pH Meter Pro - RB-Dfr-639
Hello.
I'm having some issues with this probe. I seem to need to offset the readings by +.28...
When I short out the BNC connector on a v1.1 of ADC, I get voltage 1.99 & PH Value 6.97 - 6.98.
Is my ADC interface okay still? or does it need to be replaced?
Thank you
I'm having some issues with this probe. I seem to need to offset the readings by +.28...
When I short out the BNC connector on a v1.1 of ADC, I get voltage 1.99 & PH Value 6.97 - 6.98.
Is my ADC interface okay still? or does it need to be replaced?
Thank you
2020-09-14 10:50:44 From your numerical point of view, it is normal. The ADC, power supply voltage, probe, transmitter, these will all cause errors, but the error has a range, if the error is large, it is unnormal. But your error is not big, in a reasonable range.
Please follow the wiki method to calibrate, set the intercept and slope to eliminate errors as much as possible. Youyou
Please follow the wiki method to calibrate, set the intercept and slope to eliminate errors as much as possible. Youyou