Gas2 set, Cal g2, Cal air – RKI Instruments SDM-2012 Standalone Configuration User Manual
Page 89
Calibrating a Gas Tracer • 84
23. If your Gas Tracer does not have a %volume sensor installed, or if the GAS
menu item in Edit Mode is set to Std, continue with step 26.
If a %volume sensor is installed in your Gas Tracer and if the GAS menu item
in Edit Mode is set to ALL, the Gas Tracer screen will prompt you to change
the calibration cylinder connected to the GAS 2 fitting on the back of the
SDM-2012.
24. Change the GAS 2 calibration cylinder to the %volume CH
4
calibration cylinder
and press and release the EDIT ENTER button on the SDM-2012 control
panel.
NOTE:
Even though the pump will continue to run, the SDM-2012 will not
continue calibration of the Gas Tracer until you change the calibration
cylinder and press and release the EDIT ENTER button.
25. GAS 2 calibration gas will then be applied to the %volume sensor.
26. The SDM-2012 will then purge the system with fresh air for the time defined by
the AIR TIME calibration parameter.
vol%
CH
4
GAS2 SET
98
vol%
CH
4
CAL G2
CAL AIR