RKI Instruments GX-2009 Manual - Manual (Page 44)

39 • Calibration Mode GX-2009 Operator’s Manual
12. The GX-2009 will make the span adjustment and will return to the
channel selection screen.
The channel that was just span adjusted will be displayed.
13. If you want to span adjust additional channels, repeat Step 3 through
Step 12 for each channel while gas is still flowing. Make the reading
adjustment right away since gas has been flowing for more than two
minutes. If you need to calibrate more than two channels, use the
AUTO CAL menu item to calibrate the GX-2009.
14. Turn the regulator on/off knob clockwise to close it.
15. When you are finished with span adjustments, scroll to the screen that
indicates “ESCAPE.”
16. Press and release the POWER MODE button to return to the ONE CAL
Screen.
17. Remove the calibration adapter plate from the instrument.
18. Remove the regulator from the calibration gas cylinder.
19. Leave the regulator connected to the calibration adapter plate for
convenience.
20. Store the components of the calibration kit in a safe and convenient
place.
- - -
ONE CAL
CH4 %LEL
ESCAPE
ONE CAL