Rki-instruments GX-2012 Manual Manual de usuario Pagina 181

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GX-2012 Operator’s Manual Bump Testing 173
gas flow, clamp down the hose clamp and remove the regulator or
dispensing valve from the cylinder.
6. Disconnect the tubing from the regulator or dispensing valve.
7. Install the hose and probe to the GX-2012.
8. Use the AIRS or (SHIFT)T buttons to display the BUMP menu item.
9. Press and release the POWER ENTER button to display the bump test
gas values.
10. Use the AIRS or (SHIFT)T buttons to see the %volume combustible
gas bump test value.
11. A bump test may be performed on the standard 4 sensors or on the
%volume combustible sensor. Use the AIRS or (SHIFT)T buttons to
display the screen for the sensor(s) you wish to bump test.
12. Before proceeding, confirm that the bump test gas value(s) are the same
as the concentration(s) in the calibration cylinder. If they are not, adjust
the bump test gas value(s) by entering the AUTO CAL menu item,
changing the values there, and reentering the BUMP menu.
MAINTENANCE
BUMP
50
12.0
50
25.0
%LEL
%
ppm
ppm
MAINTENANCE
CH4
O2
BUMP 30
CO
H2S
100
vol%
MAINTENANCE
CH4
BUMP 30
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