GX-2012 Operator’s Manual Overview • 83
Chapter 5: Using the GX-2012 in Leak Check Mode
Overview
This chapter explains how to operate the GX-2012 in Leak Check
Mode. Leak Check Mode is used to pinpoint small leaks of
combustible gas from valves, flanges, connections, and other potential
leak points. When the GX-2012 is in Leak Check Mode, only the
combustible channel is displayed.
If a GX-2012 is intended for leak check testing, it is shipped with Leak
Check Mode enabled so that the operator must choose which
operational mode to use when the unit is turned on (see “Turning On
the GX-2012 in Normal Mode With All Modes Active” on page 25).
Start Up, Leak Check Mode
This section explains how to start up the GX-2012 in Leak Check
Mode and get it ready for operation.
NOTE: The battery drain is higher in Leak Check Mode than in
Normal Mode or Bar Hole Mode. Extended operation in this
mode will result in shorter battery life than specified in
“Specifications” on page 3.
Turning On the GX-2012, Leak Check Mode
WARNING: If an oxygen or H
2
S sensor is installed, these sensors will
not be active while the GX-2012 is in Leak Check Mode.
The following description of the GX-2012 start up sequence assumes
that the following menu items in Maintenance Mode are turned on:
LNCH BRK, ID DISP, CL RMNDR, and BP RMNDR. If either of
these items is turned off, then the corresponding screen will not
appear.
NOTE: In order for LEAK CHECK MODE to appear as a selection in
the Mode Select Screen in Step 3 below, the L./B. MODE item
in Maintenance Mode must be set to LC or LC bH. The factory
setting is OFF.
1. Connect the tapered rubber nozzle to the inlet fitting.
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