RKI Instruments Gas Tracer - Manual (Page 139)

Gas Tracer Operator’s Manual Using Maintenance Mode • 131
9. Before proceeding, confirm that the bump test gas value(s) are the
same as the concentration(s) in the calibration cylinder. If they are
not, adjust the bump test gas value(s) by entering the AUTO CAL
menu item, changing the values there, and reentering the BUMP
menu.
10.Connect the tubing from the demand flow regulator to the rigid
tube on the probe, then quickly press and release the POWER
ENTER button. The unit will begin counting down from 30.
11.When AUTO CAL in the BUMP--SET menu item in Maintenance
Mode is set to OFF:
• The instrument will display which channels passed or failed
the bump test with a P (pass) or an F (fail) to the right of the
gas.
• To view the bump test gas readings press the AIR▲ or
(SHIFT)▼ button. You can scroll between the bump test results
and the bump test gas readings with the AIR▲ or (SHIFT)▼
button.
F
P
F
%LEL
%
ppm
MAINTENANCE
CH
4
O
2
BUMP
CO
1
12.0
5
%LEL
%
ppm
MAINTENANCE
CH
4
O
2
BUMP
CO