View Full Version : Do I need an new ph probe?
hitechboy
29.05.2010, 00:16
What is the normal response time for the ph probe? If I take it out from a tank of 6.7 ph and put it in fresh tap water of 7.3 ph. How long will it take to get a stable reading?
When should I replace the probe?
Thanks in advance!
GHL Support
31.05.2010, 15:09
The average lifetime of a ph-sensor is around from half a year to one year.
What does your ADC-values show?
hitechboy
31.05.2010, 18:54
Adc1=688; adc2=122
Matthias
07.06.2010, 07:14
this values seem okay - but they only indicate the "freshness" of your probe if calibrated recently
settling time can be some minutes
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