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4.3 Key controls
Key
ON/OFF
pH/conductivity meter SG23
Memory number/error index
Error index
Reference temperature
Meter self-diagnosis
Self-diagnosis indicator
ISM
connection
®
Electrode condition
Slope: 95-105%
Offset: ±(0-15) mV
Electrode is in good condition
Measurement mode
Measurement reading
Temperature during measurement or offset value in calibration process
Buffer groups or standards
Auto/Manual temperature compensation
Endpoint format
Menu
Calibration point
Press and release
Switch meter on or off
Operating the pH/conductivity meter SG23
Number of data sets stored in
mem o ry
Indication to press key
Slope: 90-94%
Offset: ±(15-35) mV
Electrode needs cleaning
Press and hold for 3 seconds
Switch on or off auto-off override
(switch es off the meter after 15 min.)
Recall memory
Self-diagnosis passed
Slope: 85-89%
Offset: ±(>35) mV
Electrode is faulty
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