Installing The Ph Sensor - horiba TW-150 Instruction Manual

2 PREPARATION
2.2

Installing the pH Sensor

1. Make sure that the stop valve is closed and the power is OFF.
2. Remove the protective cap, liquid-junction washer, rubber cap and connector cap
from the pH sensor.
3. Push the brown protrusion on the side of the sensor into the pH cell, as shown in
the following figure, and turn the sensor to the left.
Note
The pH sensor top is made of glass. Take care not to break it when pushing the sensor in.

Be careful not to loose the protective cap, liquid junction washer, rubber cap and connector cap

as they are used to store the sensor.
4. Connect the pH sensor to the connector.
Reference
"7.3 Connection Locations for the Sensor Connectors" (page 138)
8
Rubber cap
Liquid-junction washer
Protective cap
pH cell
pH sensor
Brown protrusion
Connector cap
Stop valve
must be closed.