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54 • Appendix C: Non-Standard Toxic Gas Sensors Eagle Instruction Manual
Appendix C: Non-Standard Toxic Gas Sensors
Appendix C describes the Eagle’s non-standard, electrochemical toxic
gas sensors. This appendix also offers information for calibrating and
replacing non-standard toxic gas sensors. Non-standard electro-
chemical toxic gas sensors are toxic gas sensors other than CO or H
2
S.
Specifications
Table 8 lists specifications for the non-standard toxic gas sensors. The
alarm settings are user-adjustable (see “Updating the Alarm Point
Settings” on page 32.)
Description
Non-standard toxic gas sensors are mounted in the front half of the
instrument case. These sensors each include a dedicated amplifier
with ZERO and SPAN controls. A bracket secures the sensor/
amplifier assembly to the instrument case. A flow adapter connected
Table 8: Non-Standard Toxic Gas Sensors Specifications
Target Gas Range Alarm 1 Alarm 2
TWA
Alarm
STEL
Alarm
Ammonia 0 to 75.0 ppm 12.0 ppm 25.0 ppm 25.0 ppm 35.0 ppm
Arsine 0 to 1.00 ppm 0.05 ppm 0.10 ppm 0.05 ppm OFF
Arsine 0 to 200 ppb (1) 50 ppb 100 ppb 50 ppb OFF
Chlorine 0 to 3.00 ppm 0.50 ppm 1.50 ppm 0.50 ppm 1.00 ppm
Fluorine 0 to 5.00 ppm 0.50 ppm 1.00 ppm 1.00 ppm 2.00 ppm
Hydrogen
chloride
0 to 15.0 ppm 2.0 ppm 5.0 ppm OFF OFF
Hydrogen
fluoride
0 to 9.00 ppm 1.00 ppm 2.00 ppm 1.00 ppm 2.00 ppm
Nitric oxide 0 to 100 ppm 10 ppm 25 ppm 25 ppm 50 ppm
Nitrogen dioxide 0 to 15.0 ppm 1.0 ppm 3.0 ppm 3.0 ppm 5.0 ppm
Ozone 0 to 1.00 ppm 0.10 ppm 0.30 ppm 0.08 ppm 0.10 ppm
Phosphine 0 to 1.00 ppm 0.10 ppm 0.30 ppm 0.30 ppm 1.00 ppm
Silane 0 to 15.0 ppm 2.0 ppm 5.0 ppm 5.0 ppm 5.0 ppm
Sulfur dioxide 0 to 15.0 ppm 1.0 ppm 2.0 ppm 2.0 ppm 5.0 ppm
1 (1) ppb (parts per billion)