B/cal g2, Bump air – RKI Instruments SDM-2012 Standalone Configuration User Manual
Page 47
Bump Testing a GX-2012 • 42
•
If the bump test fails, and AUTO CAL was set to ON, a calibration will
automatically begin and calibration gas will continue to flow. The CAL
S
LED will begin to flash amber.
NOTE:
GAS 2 calibration gas will continue to be applied so that the total gas
application time is the time defined by the GAS TIME calibration
parameter. This time includes the time that the instrument was being
bump tested. If the GAS TIME calibration parameter is set to 90
seconds and the GAS TIME bump test parameter is set to 30
seconds, the instrument will sample gas for an additional 60 seconds if
the bump test fails to bring the total exposure time to 90 seconds.
The SDM-2012 will analyze the results.
20. The SDM-2012 will then purge the system with fresh air for the time defined by
the AIR TIME bump test parameter.
98
vol%
CH
4
B/CAL G2
BUMP AIR