Xylem HandyLab 750(EX) - Manual (Page 55)

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Error Codes and Device Messages
“ 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 Message Cause
Calibration timer
Sensocheck
Zero / Slope
Response time
ISFET: Operating point (asymmetry poten-
tial)
ISFET: Leakage current
ORP offset