RKI Instruments GX-2012 Manual User Manual
Page 16
8 • Instrument Description
GX-2012 Operator’s Manual
Dummy Sensors
Any unit that has less than 5 sensors will have a dummy sensor installed in
one or more sensor positions. Dummy sensors are factory installed. The flat
top of the dummy sensor should face up and the bottom hollow side should
face down. The unit shown below is a standard 4-sensor unit for LEL/O
2
/
H
2
S/CO and has a dummy sensor installed in the %volume combustible
sensor position.
Figure 3: Dummy Sensor
LCD
A digital LCD (liquid crystal display) is visible through a clear plastic
window on the front of the case. The LCD display simultaneously shows the
gas reading for all installed sensors. The display also shows information for
each of the GX-2012’s program modes.
Bottom
Hollow Side
Dummy Sensor
Top Flat
Side
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