RKI Instruments EAGLE 2 Manual - Manual (Page 280)

270 • Overview EAGLE 2 Operator’s Manual
Appendix K: Using the EAGLE 2 in Bar Hole Mode
Overview
This chapter explains how to operate the EAGLE 2 in Bar Hole Mode. Bar
Hole Mode is used to perform consistent checks of bar holes when tracking
down underground gas leaks. When the EAGLE 2 is in Bar Hole Mode, only
the combustible and oxygen sensors are displayed.
If an EAGLE 2 is intended for bar hole testing, it is shipped with Bar Hole
Mode or both Bar Hole Mode and Leak Check Mode enabled so that the
operator must choose which operational mode to use when the unit is turned
on (see “Updating LC/BH Mode Setting” on page 124).
Start Up, Bar Hole Mode
This section explains how to start up the EAGLE 2 in Bar Hole Mode and get
it ready for operation.
Turning On the EAGLE 2, Bar Hole Mode
WARNING: If one or more sensors other than a catalytic LEL, TC, or
oxygen sensor is installed, these sensors will not be
active while the EAGLE 2 is in Bar Hole Mode.
WARNING: Gas alarms are not active when the EAGLE 2 is in Bar
Hole Mode.
The following description of the EAGLE 2 start up sequence assumes that the
following menu items in Setup Mode are turned on: CAL REMINDER and
USER/STATION ID. If either of these items is turned off, then the
corresponding screen will not appear.
NOTE: In order for BAR HOLE MODE to appear as a selection in the
Mode Select Screen in Step 3 below, the EAGLE 2 must have
both a catalytic LEL sensor and a TC sensor installed. In
addition, both the catalytic LEL and TC channels must be
configured for methane, CH
4
, in the CONFIGURE GASES
menu item in Setup Mode. If an EAGLE 2 has only the
catalytic LEL sensor installed or if the TC channel is
configured for a gas other than CH
4
, then BAR HOLE MODE
will not appear as a choice as shown in Step 3 below and