46
pH Flo
w C
ell
pH Flow Cell
| VERITY
®
1810 Conductivity and pH Monitor
Maintenance
pH Sensor Replacement
If after running the
VERITY® 1810 Monitor pH Calibration Utility,
it is determined that the pH sensor
is out of calibration, the pH sensor
(part number 11000025) and optionally,
the O-ring (part number 5464549103)
should be replaced.
Refer to the instructions below and
the instructions supplied with the
replacement pH sensor.
To replace the pH sensor:
1. Disconnect the pH sensor cable from
the rear panel of the monitor by
twisting counterclockwise 1/4 turn
and then pulling.
2. Remove the securing nut.
3. Remove the pH sensor.
4. Remove the O-ring from the assembly.
5. Locate the new pH sensor.
6. Place the O-ring on the black (thinner)
end of the pH sensor.
7. Insert the black end of the pH sensor with O-ring into the base.
8. Pass the end of the pH sensor cable through the securing nut.
9. Hand-tighten the securing nut to the base.
10. Connect the pH sensor cable to its port on the monitor rear panel and then twist clockwise 1/4 turn to
lock.
NOTICE
Do not use tools.
Do not overtighten.
securing
nut
O-ring
(part number
5464549103)
base
Figure 26
pH Flow Cell (Exploded View)
pH
sensor
