Rki-instruments SDM-2012 Standalone Configuration Manual de usuario descargar pdf (Pagina 85)

Calibrating a Gas Tracer • 80

14. Remove any connected cylinders and press and release the EDIT ENTER

button. The SDM-2012 will purge for 30 seconds.

15. At the end of the purge cycle, you will be prompted to reconnect the calibration

cylinder to the GAS 2 fitting.

16. Reconnect the ppm calibration cylinder and press and release the EDIT

ENTER button.

17. The SDM-2012 begins the calibration by applying fresh air to the ppm sensor

for the time defined by the AIR TIME calibration parameter.

NOTE: If the GAS menu item in Edit Mode is set to Std, the ppm sensor and

the %volume sensor will not be calibrated.

18. The SDM-2012 will perform a fresh air adjustment on the ppm sensor.

• If the air adjustment is successful, the SDM-2012 will continue as

described in step 19 below.

PURGE

GAS2

PURGE

ppm

CH4

CAL AIR

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Rki-instruments SDM-2012 Standalone Configuration Manual de usuario Pagina 85