RKI Instruments GX-3R User Manual

94 • Appendix A: Maintenance Mode GX-3R Operator’s Manual
2 . Install the calibration cup onto the GX-3R. Use the label and imprinting to make sure
that the calibration cup gets installed in the correct orientation relative to the GX-3R. Be
sure the calibration cup is pushed on all the way.
3 . Use the tubing to connect the regulator to the inlet of the calibration cup.
Performing a Gas Test
1 . While in Maintenance Mode, press AIR to scroll to GAS TEST.
2 . Press and release POWER MODE. The current gas readings display. The bottom of the
LCD alternates between “GAS TEST” and “BUZZ OFF”.
3 . Turn the regulator knob counterclockwise to open the regulator.
4 . The instrument initiates alarm indications except for the buzzer. There is no buzzer
indication in the GAS TEST menu even though the buzzer will sound in the event of a
real gas alarm condition.
5 . Turn the regulator knob clockwise to close the regulator.
GX-3R
AIR
POWER
MODE
CO/H
2
SLELO
2
FRONT
Inlet
Figure 15: Calibration Cup Installation
GAS TEST
M 7:49
GAS TEST
M 7:49
0 0.0
CO ppm H2S ppm
0 20.9
CH4 %LEL O2 %
BUZZ OFF
M 7:49
0 0.0
CO ppm H2S ppm
0 20.9
CH4 %LEL O2 %

RKI Instruments GX-3R Specifications

General

Brand	RKI Instruments
Model	GX-3R
Category	Measuring Instruments
Language	English