pH buffer solution is precisely manufactured to a specific value of pH 4. This means pH monitoring equipment can be accurately calibrated to a known pH value. Regular calibration of your pH controller or pH monitor is recommend in order to maintain accurate operation.
Customer Reviews
Average Rating
5
G
Grant G.
5
30th Sep 2023
Does the jobDoes the job
J
Jackson S.
5
17th Nov 2016
Works great. Using for UP pH controller re-calibration.Works great. Using for UP pH controller re-calibration.