15
Sample ID
Sensor ID
16
17
Reference temperature
18
pH electrode condition icon
Slope: 95-105%
Offset: ±(0-15)mV
Electrode is in good condition
ISM
19
20
Stability criterion
Strict
21
Warning messages
22
Buffer groups or standards
4.3 Key controls
Key
ON/OFF
READ/BACKLIGHT
CAL
10
Operating the pH/ORP/Ion/Conductivity meter SG78
®
sensor connected
Press and release
Switch meter on or off
Start or endpoint measurement
(measurement screen)
Confirm input or start editing a table
Exit menu and go back to measurement
screen
Start calibration
Slope: 94-90%
Offset: ±(15-35)mV
Electrode needs cleaning
Medium
Press and hold for 3 seconds
Switch meter on or off
Turn backlight on or off
Review the last calibration data
Slope: 89-85%
Offset: ±(>35)mV
Electrode is faulty
Fast
SevenGo Duo pro™