RKI Instruments Gas Tracer - Manual (Page 206)

198 • Calibrating the Gas Tracer Gas Tracer Operator’s Manual
you are returned to the initial AUTO CAL screen and must begin
the auto calibration process again.
2. Fill the gas bag with calibration gas as described in “Filling the Gas
Bag” on page 195.
3. Use the AIR▲ and (SHIFT)▼ buttons to scroll to the AUTO CAL
menu item. Press and release the POWER ENTER button to display
the calibration values screen. If you want to exit back to the main
menu without completing a calibration, press and release the
DISPLAY (ADJ) button.
4. Use the AIR▲ or (SHIFT)▼ buttons to scroll between the 3-gas and
the %volume combustible gas calibration values screens.
5. The gas concentrations displayed in the calibration values screens
must match the gas concentrations listed on the calibration
cylinders. If all concentrations match, go to step 13. If one or more
concentrations do not match, continue with step 6.
50
12.0
50
%LEL
%
ppm
MAINTENANCE
CH
4
O
2
AUTO CAL
CO
100
vol%
MAINTENANCE
CH
4
AUTO CAL