3
1.2
Display and controls
Displays
1
Electrode condition
Slope: more than 95%
and offset: ± (0-15) mV
Electrode condition is good
Slope: 90-95%
or offset: ± (15-35) mV
Electrode condition is
acceptable
Slope: less than 90%
or offset: ± (35-60) mV
Electrode condition is not
good or needs cleaning
2
Measurement icon -
,
measurement or calibration is running; disappear means the
reading is locked, no matter measurement
3
Calibration icon -
,
1
point or
2
point calibration in progress
4
pH/mV
reading or slope
(%)
in calibration
5
Error message -
Err
6
Auto temperature compensation -
ATC
; Manual temperature compensation -
MTC
7
Temperature during measurement or
Offset
(mV) in calibration
2
3
1
4
6
7
5