RKI Instruments Gas Tracer - Manual (Page 214)

206 • Bump Testing Gas Tracer Operator’s Manual
3. Press and release the POWER ENTER button to display the bump
test gas values.
4. Use the AIR▲ or (SHIFT)▼ buttons to see the %volume
combustible gas bump test value.
5. A bump test may be performed on the standard 3 sensors or on the
%volume combustible sensor. Use the AIR▲ or (SHIFT)▼ buttons
to display the screen for the sensor(s) you wish to bump test.
6. 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.
7. Open the hose clamp and connect the tubing from the filled gas
bag to the rigid tube on the probe and quickly press and release the
POWER ENTER button. The unit will begin counting down from
30.
50
12.0
50
%LEL
%
ppm
MAINTENANCE
CH
4
O
2
BUMP 30
CO
100
vol%
MAINTENANCE
CH
4
BUMP 30