Agilent Technologies 3200P User Manual page 51

Table 3 3200P pH Meter troubleshooting (continued)
Number Failure mode
6 The reading is not stable
after a long time.
3200P pH Meter User Guide
Failure cause
1 The electrode has been damaged or aged.
2 There is strong electrical signal
interference source nearby (electrical
leaking, strong electro-magnetic field,
etc.).
Troubleshooting and Maintenance
Solutions
1 Replace the electrode.
2 Remove the electrical signal
interference source. Lift or
move the beaker away from
the source of interference.
Shield the meter and beaker
from the electromagnetic
field. Use the ground line. For
the ground wire, one
terminal is connected with
the meter and the other
terminal is connected with
interference source.
3
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