RKI Instruments SDM-2012 Standalone Configuration - Manual (Page 44)

39 • Bump Testing a GX-2012
12. Press and hold the BUMP
T
button until the BUMP
T
LED turns on (about
one second) then release it. During the bump test, the BUMP
T
LED will flash
amber indicating that a bump test is in progress.
If you wish to cancel the bump test, press and hold the BUMP
T
button for at
least one second until CANCEL appears on the screen.
13. If at any point during the bump test the gas flow to the instrument becomes too
low, the bump test will be aborted and the screen will indicate a flow failure.
If a flow failure occurs, confirm all tubing connections are correct and that all
lines are clear.
• To return to the home screen, press and hold the EDIT ENTER button for
about 3 seconds.
• To start another bump test, press and release the BUMP
T
button.
• To perform a calibration, press and release the CAL
S
button.
14. The SDM-2012 will begin the bump test by applying fresh air to the instrument
for the time defined by the AIR TIME bump test parameter.
15. The SDM-2012 will perform a fresh air adjustment on the instrument.
• If the air adjustment is successful, the SDM-2012 will continue as
described in step 16 below.
0
20.9
0
0.0
%
ppm
ppm
CH
4
O
2
CO
H
2
S
BUMP AIR
%LEL
0
20.9
0
0.0
%
ppm
ppm
CH
4
O
2
CO
H
2
S
BUMP AIR
vol%
%LEL
Standard 4-Gas GX-2012 or GAS %Volume Sensor Installed and GAS
menu item in Edit Mode set to Std menu item in Edit Mode set to ALL
- - -
- - -
- - -
- - -
%LEL
%
ppm
ppm
CH
4
O
2
FLOW NG
CO
H
2
S