wtw MultiLab P5 Operation Manual page 218

pH
Âmenu
ÀCal
25.4°C
ÁpH
time-out
ÀCal
time-out
CalErr
218
Measurement: Measured value not
stable.
Possible cause / Action:
AR TP
- Junction of the electrode contaminated
/ Clean junction
- Unsuitable electrode
/ Change electrode
- Sample solution not stable
/ Depends on aim of the measurement
and the characteristics of the sample
solution
- Electrode too old / Change electrode
- Temperatures of sample solutions too
different
/ Wait for temperature adjustment
Calibration: Measured value not stable.
Possible cause / Action:
- Junction of the electrode contaminated
AR TP
/ Clean junction
- Cable broken
/ Change cable or electrode
- Electrode too old
/ Change electrode
Troubleshooting
BA61101/08.00/Pla/MLP5-E2