AP200 series
Rugged pH/Redox (ORP) sensor systems with rapid temperature response for critical processes
2 Mechanical Installation
IM/AP200 Rev. S
7
2.2.2 Model AP203 Flanged DIp (Immersion) System
Fig. 2.5 Model AP203 – Removing the Sensor Holder
2
1
3
Unscrew sensor guard from
dip tube (see
Note
below)
Open cover and detach
cables and jetwash tubing
(if fitted) from cap
Remove the sensor holder from the dip tube using the
sensor guard as a tool. Engage the sensor guard lugs in the
sensor holder slots. Twist the sensor holder
counter-clockwise to disengage the bayonet lugs from the
slots in the dip tube and withdraw the sensor holder.
Ensure the O-ring remains clean.
Note.
Before refitting the sensor
guard, clean and regrease
the threads and O-ring.
Do not overtighten the
sensor guard.