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Transmitter 9135 - pH/redox measurement
7.9
GLASS IMPED.
TOO LOW
10.1
REF. IMPED.
TOO LOW
6.4
REF. IMPED.
TOO HIGH
5.8
REGULATION
TOO LONG
Page 62
The glass electrode impedance is inferior to the limits
set by the user. It is required to :
- change the limits (SERVICE / IMPEDANCES /
GLASS / LOWER) or,
pH
- change the broken electrode.
The reference electrode impedance is inferior to the
limits set by the user. It is required to :
- change the limits (SERVICE / IMPEDANCES /
REFERENCE / LOWER) or,
pH
- change the damaged electrode.
The reference electrode impedance is superior to the
limits set by the user. It is required to :
- change the limits (SERVICE / IMPEDANCES /
REFERENCE / UPPER) or,
pH
- clean the clogged electrode or change the poisoned
electrode.
The time out of the neutral zone is superior to the limit
programmed by the user. It is required to :
- change the limits
- check the relays S1 and S2.
pH
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