RKI Instruments 65-2427RK-05 - Manual (Page 5)

65-2427RK-05 H
2
S Detector • 1
Overview
This manual describes the 65-2427RK-05 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 65-2427RK-05, you must follow the instructions and
warnings in this manual to assure proper and safe operation of the
65-2427RK-05 and to minimize the risk of personal injury. Be sure to
maintain and periodically calibrate the 65-2427RK-05 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)
!