beautypg.com

RKI Instruments GX-2012 Manual User Manual

Page 16

background image

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