GX-2012 Operator’s Manual Replacing a Sensor • 155
9. Place the belt clip into position and tighten the three screws retaining it.
Replacing a Sensor
1. Verify that the GX-2012 is off.
2. Use a screwdriver to remove the three screws holding the belt clip to the
back side of the instrument. Two of these screws also secure the flow
chamber.
3. Remove the belt clip and unscrew the remaining screw holding in the
flow chamber.
4. Grab the exhaust tube and pull it gently away from the unit to slide the
flow chamber out of the unit.
5. Gently pull on the knob of the sensor gasket to remove it. Be sure not to
lose any of the filters that are in it. The sensors will be exposed.
6. Remove the sensor from its socket.
7. Carefully insert the replacement sensor in the correct socket.
Figure 27: Replacing a Sensor
Flow
Chamber
PPM
Combustible
Sensor
O2
HC
PPM
HC
LEL
Align Tabs in CO Sensor
with Tabs in Sockets
% LEL
Combustible Sensor
% Volume
Combustible Sensor
CO Sensor
Sensor
Gasket
Knob
HC
VOL
CO
Oxygen
Sensor
Exhaust
To Next Page
Loading...
