YOKOGAWA DOX8HS, User Manual, Page: 20 / 32

< 3. Installation, Piping and Wiring >
3-2
IM 19H1D2-01E
3.2 Preparations for lnstallation
3.2.1 Inserting the Sensor
Insert the sensor when the submersion type holder is installed.
SEE ALSO
Information regarding sensor orientation and other details differ with the sensor used. Refer to
the user’s manual of the sensor.
Insert the sensor according to the following instructions.
NOTE
Be sure not to damage the front end of sensor.
(1) Route the sensor cable to the sensor holder assembly.
Remove the securing nut from the holder front end. Remove the sponge (used in transport
and not needed after installation). Thread the O-ring over the sensor and place the O-ring
on the sensor.
Open the drip-proof cap and pull out the other end of the sensor cable.
Sponge
(Remove)
Securing nut
Sensor
O-ring
Submersion type holder (sensor holder assembly)
Drip-proof cap
Sensor cable
Figure 3.2 Installation of the Sensor to the Submersion Type Holder
(2) Attach the securing nut and secure the sensor to the sensor holder. Tighten properly so that
the O-ring will act as a seal.
(3) Close the drip-proof case.
(4) When an optional wiper cleaning unit is specified for the MLSS sensor, install the wiper
cleaning unit to the MLSS sensor. For the installation procedure, refer to the user's manual
of the MLSS sensor.