RKI Instruments GX-6000 User Manual

205 • Start Up, Leak Check Mode GX-6000 Operator’s Manual
c. If the catalytic combustible sensor fails, it is not possible to enter
Leak Check Mode. Press and release the RESET button to
acknowledge the failure and return to the Normal Mode Select
Screen. Replace the failed sensor.
If any other sensor that is installed fails, press and release the RESET
button to acknowledge the failure and continue to Leak Check Mode.
Change the failed sensor(s) as soon as possible for use in Normal
Mode.
6 . The GX-6000 is now monitoring for gas in Leak Check Mode. The
pump is on and one of the following screens appears depending on the
setting of the CO DISPLAY parameter in Maintenance Mode.
NOTE: For maximum sensor stability, allow 3-5 minutes for the sensor to
warm up. The small increment size in the lower range of a ppm
measurement can cause instability if the unit is not properly warmed
up.
7 . If you wish to change operating modes by returning to the Mode Select
Screen, press and hold the ▲AIR and DISP/LOCK buttons for 5
seconds.
Performing a Demand Zero, Leak Check Mode
Before using the GX-6000, it is recommended to set the fresh air reading for
the target gas by performing a demand zero. This will set the CH
4
channel to
zero.
1 . Find a fresh-air environment. This is an environment free of toxic or
combustible gases and of normal oxygen content (20.9%).
2 . Turn on the unit as described above in “Turning On the GX-6000, Leak
Check Mode”.
4:07
CH4
F . S .
0
ppm
5000
ppm
4:07
CH4
F . S .
0
ppm
5000
ppm
CO
ppm
0
CO DISPLAY set to ON CO DISPLAY set to OFF

RKI Instruments GX-6000 Specifications

General

Brand	RKI Instruments
Model	GX-6000
Category	Measuring Instruments
Language	English