The Pocket Pro / Pro+ pH meter will not calibrate and there is a SENSOR? error. What could be happening?

Document ID

Document ID TE700

Published Date

Published Date 06/15/2022
Question
The Pocket Pro / Pro+ pH meter will not calibrate and there is a SENSOR? error. What could be happening?
Summary
Pocket Pro or Pro+ meter does not calibrate
Answer
Make sure the buffer set being used is the correct one. This can be configured in the setup menu.  Complete directions can be found in the US ENG pH Pocket Pro™and Pro™+ Full English User Manual_DOC022.53.80394.  If the correct buffer set is already selected, you may need to clean the sensor.  Cleaning instructions are also found in the users manual.

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