Knick Portavo 902 PH Kurzübersicht Seite 14

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"Sensoface" Messages
The "Sensoface" icon provides information on the sensor condition:
Sensoface Meaning
Sensor is okay
Calibrate the sensor soon
Calibrate or replace the sensor
The "neutral" and "sad" Sensoface icons are accompanied by an "INFO ..." message
to give a hint to the cause of deterioration.
Sensoface
Error Codes and Device Messages
Message Cause
INFO 1 Calibration timer
INFO 3 Sensocheck
INFO 5 Zero / Slope
INFO 6 Response time
INFO 7 ISFET: Operating point (asymmetry potential)
INFO 8 ISFET: Leakage current
INFO 9 ORP offset