Hach-Lange SI794 P User Manual - Manual (Page 25)

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Sensocheck, Sensoface sensor monitoring
Sensocheck continuously monitors the sensor and its wiring.
Sensocheck can be switched off (Configuration).
Sensoface provides information on the electrode condi-
tion. The offset (zero point), slope, and response time
during calibration are evaluated. The three Sensoface
indicators provide the user with information about wear
and required maintenance of the electrode.
GainCheck device self-test
A display test is carried out, the software version is displayed,
and the memory and signal transfer are checked.
Start GainCheck device self-test:
Automatic device self-test
The automatic device self-test checks the memory and signal
transfer. It runs automatically in the background at fixed intervals.
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Safety functions