How often do I recalibrate

by Simon

No hard and fast answer can be given to this question. Like cleaning, the frequency at which pH electrodes should be calibrated can be determined only by experience.

However, the rule of thumb has proven itself in practice:

When working with new media, it is advisable to re-calibrate the sensor as often as possible. If no significant variation in value is found, the calibration interval can be correspondingly increased e.g. weekly.

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May 30, 2010
Compare calibration data
by: John

That mean you have to record the slope and offset value so you are able to compare values between each calibration?

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