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GLI pHD sc Digital Differential pH Sensor, General Purpose, PEEK Body, Insertion style

Source: Hach Company
This field-proven technique uses three electrodes instead of the two normally used in conventional pH sensors.
Details

pHD Differential Electrode Measurement Technique
This field-proven technique uses three electrodes instead of the two normally used in conventional pH sensors. Process and reference electrodes measure the pH differentially with respect to a third ground electrode. The end result is unsurpassed measurement accuracy, reduced reference junction problems, and elimination of sensor ground loops. These sensors provide greater reliability, resulting in less downtime and maintenance. For general pH measurement information, ask for our Technical Handbook on pH, Lit. #G004.


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