65-2427-05-01 H
2
S Detector • 5
Overview
This manual describes the 65-2427-05-01 hydrogen sulfide (H
2
S) detector. This manual also
describes how to install, start up, maintain, and calibrate the detector when it is used with a
gas monitoring controller. A parts list at the end of this manual lists replacement parts and
accessories for the H
2
S detector.
Specifications
WARNING: Do not use this product in a manner not specified in this instruction manual.
Table 1 lists specifications for the H
2
S detector.
NOTE:
The following symbol on the detector label is a caution to the user to refer to this
documentation for installation and operation instructions:
WARNING: When using the 65-2427-05-01, you must follow the instructions and warnings
in this manual to assure proper and safe operation of the 65-2427-05-01 and to
minimize the risk of personal injury. Be sure to maintain and periodically
calibrate the 65-2427-05-01 as described in this manual.
Table 1: Specifications
Target Gas
Hydrogen sulfide (H
2
S)
Area Classification
Explosionproof for Class I, Groups B, C, and D
Temperature Code
T6
Installation Category
Installation Category 1. Signal level, special equipment or parts
of equipment, telecommunication, electronic, etc., with smaller
transient overvoltages than Installation Category (Overvoltage
Category) II (ref. IEC 664).
Sampling Method
Diffusion
Detection Range
0 to 100 ppm (parts per million)
H
2
S Detector Signal Output
0.3 mA at 0 ppm H
2
S nominal
2.5 mA at 100 ppm H
2
S nominal
Response Time
90% in 30 seconds
Accuracy
± 5% of reading or ± 2 ppm H
2
S (whichever is greater)
Operating Temperature
-40°F to 104°F (-40°C to 40°C)
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