184 • Overview
EAGLE 2 Operator’s Manual
Appendix F: TC Sensors
Overview
The TC sensors are used to monitor high levels of combustible gas. This appendix
describes the EAGLE 2’s TC sensor and includes instructions to use an EAGLE 2 that has
a TC sensor installed. It also includes instructions to calibrate and replace a TC sensor.
Table 21: TC Sensor Specifications
Description
The TC sensor is installed in a single sensor flow chamber which is located in the area
next to the standard 4-sensor flow chamber. This area can accommodate up to three single
sensor flow chambers. Figure 39 below illustrates a typical TC sensor location in front of
the pump. The TC flow chamber may also be installed in one of the other two sensor
chamber locations depending on the particular version of the EAGLE 2. Some TC sensor
instrument configurations do not include the 4-sensor flow chamber.
Target Gas
Detection
Range
Reading
Increment
Alarm 1
Factory
Setting
Alarm 2
Factory
Setting
STEL
TWA
Methane
(CH
4
)
0 - 100.0 %vol
0.5 %vol
OFF
OFF
OFF
OFF
Hydrogen
(H
2
)
0 - 100.0 %vol
0.5 %vol
10.0 %vol
50.0 %vol
OFF
OFF
Hydrogen
(H
2
)
0 - 10.0 %vol
0.1 %vol
1.0 %vol
5.0 %vol
OFF
OFF
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