Part 2 Installation
2.5
Installing the Oxygen Sensor using H3 Flow Through Sensor Housing
The OMD-480 can accept either a PO2-160 or PO2-24 (CO2 Applications) percent oxygen sensor. For
proper selection with your application, please view our online application guide or contact your local sales
rep.
Connect the process gas line and set your flow between 0.5 -
5
.0 SCFH.
To Install the Sensor:
- Remove the cell holder cap by unscrewing the stainless steel collar.
- Lift up on the top of the sensor housing and set to the side.
- Inspect O’ring for cracking, replace if necessary.
Always lube your Orings!
- Remove the sensor from its box. With scissors, open nitrogen purged packaging
and remove the sensor.
- Visually inspect sensor for damage, if damaged notify the factory immediately.
- Remove the shorting pins across the back of the sensor board contacts.
- Place the sensor inside the housing with the metal screen mesh facing down and
the circuit board contacts facing up.
- Return upper portion of the sensor housing to the stainless steel bottom. Tighten
collar. Hand tight is acceptable to create an airtight seal.
- Start purge of process gas.
- If the analyzer has not been calibrating, refer to section 4.1 for more information.
CAUTION: Prior to installing the oxygen sensor. Read section 4.1
on performing a span calibration.
H3 Sensor Housing
Top portion of sensor housing
Stainless Steel Collar
Bottom portion of sensor housing
