wtw MultiLab P5 Operation Manual page 225

Multiparameter instrument for the total water and wastewater analysis
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Troubleshooting
15,72
Âmenu
m¥/L 21.5°C
Î
OxiCal
S= OFL
T= 21.6°C
BA61101/08.00/Pla/MLP5-E2
Measurement and calibration:
Electrolyte solution used up.
Action: Regenerate probe.
AR
Calibration: Slope outside of
admissible range.
Admissible range: 0.6 up to 1.25
AR
Possible cause / Action:
- Membrane contaminated / Clean
membrane or change membrane head
- Membrane moist
/ Dab membrane dry
- Gold electrode contaminated
/ Regenerate probe
- Silver electrode contaminated
/ Regenerate probe
- Too much water in calibration vessel
/ Remove superfluous water from
calibration vessel. At vessels with
sponge only moisten the sponge
- Probe defective / Change probe
225

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