Hach-Lange SI794 C 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 conductivity
sensor condition. Significant sensor polarization effects or
an excessive cable capacitance are indicated.
The three Sensoface indicators provide information on the
sensor condition.
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