Hach POLYMETRON 8362 User Manual page 68

Transmitter 9135 - pH measurement in pure water
7.9
GLASS IMPED.
TOO LOW
10.1
REF. IMPED.
TOO LOW
6.4
REF. IMPED.
TOO HIGH
5.8
REGULATION
TOO LONG
Page 64
The glass electrode impedance is inferior to the limits
set by the user. It is required to :
- change the limits or,
- change the broken electrode.
pH
The reference electrode impedance is inferior to the
limits set by the user. It is required to :
- change the limits or,
- change the damaged electrode.
pH
The reference electrode impedance is superior to the
limits set by the user. It is required to :
- change the limits or,
- clean the clogged electrode or change the poisoned
pH
electrode.
The time out of the neutral zone is superior to the limit
programmed by the user. It is required to :
- change the limits or,
- check the relays S1 and S2.
pH