Operator`s manual

7 M2 Transmitter Operator’s Manual
Figure 3: 65-2494RK Oxygen Detector, Non-Explosion Proof, Capillary Type
Both types of CO and H
2
S detectors have replaceable plug-in sensors inside the detector
housing. The CO detector includes a charcoal filter disk which is held onto the sensor with
a rubber retaining boot. The charcoal filter disk scrubs out interfering gases to which the
CO sensor responds such as H
2
S and certain hydrocarbons.
Figure 4: 65-2433RK-05 CO Detector, CSA
Detector Housing Cap
Plug-In Oxygen Sensor
Detector Housing Body
Cap Gasket
Hydrophobic Membrane
Detector Housing
Cap Gasket
CO Sensor
Detector Housing
Cap
Rubber Boot
w/Charcoal Filter Disk