RKI Instruments SM-2003U - Manual (Page 24)

24 • Bump Testing Instruments
• Apply fresh air to the instrument for 30 seconds.
• Perform a zero operation on the instrument.
NOTE: If one or more of the sensors fails the zero operation,
then the calibration station will abort the bump test and
will not apply calibration gas. If this happens, the CAL.
status LED will blink red indicating a failure and the
BUMP control LED will stop blinking and be on steadily
green.
• Apply calibration gas to the instrument for the time defined by
the MODE Switch setting.
• Purge the system with fresh air for 30 seconds.
9. After the system is purged, the BUMP control LED will stop blinking
and be on steadily green and the CAL. status LED will be on
steadily green if the bump test passed or steadily red if the bump
test failed.
10. If the bump test failed and the MODE switch is set to position 5, 6,
7, 8, or 9, the calibration station will calibrate the instrument.
11. The results of the bump test will be stored in the calibration
station’s memory and will be available to copy to a USB flash drive.
See “Copying Calibration and Bump Test Records to a USB Flash
Drive” on page 34 for instructions to copy the saved bump test and
calibration records to a USB flash drive.
12. If you want to perform a bump test on a GX-2003 with 100%
volume methane, See “Bump Testing and Calibrating a GX-2003
with 100% Volume Methane” on page 28 for instructions.
13. Turn off the instrument by pressing and holding the BUMP and
VOL. control buttons simultaneously for at least one second and
then releasing them. If no control buttons are pressed for 10
minutes, the calibration station will automatically turn off the
instrument.