RKI Instruments 65-2498RK - Manual (Page 5)

65-2495RK/65-2498RK H
2
S Detector • 1
Overview
This manual describes the 65-2498RK hydrogen sulfide (H
2
S) detector. This manual also
describes how to install, start up, maintain, and calibrate the H
2
S detector when 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.
The 65-2498RK H
2
S detector includes the 65-2495K H
2
S detector and a junction box. This
manual may also be used for the 65-2495RK H
2
S detector which does not include a
junction box and is normally mounted in one of a controller’s conduit hubs. If you are
using a 65-2495RK H
2
S detector, disregard all references to the junction box and junction
box terminal strip.
Specifications
WARNING: Do not use this product in a manner not specified in this instruction
manual.
Table 1 lists specifications for the 65-2495RK and 65-2498RK H
2
S detectors.
WARNING: When using the 65-2495RK/65-2498RK, you must follow the instructions
and warnings in this manual to assure proper and safe operation of the
65-2495RK/65-2498RK and to minimize the risk of personal injury. Be sure
to maintain and periodically calibrate the 65-2495RK/65-2498RK as
described in this manual.
Table 1: Specifications
Target Gas Hydrogen sulfide (H
2
S)
Sampling Method Diffusion
Detection Range 0 to 100 PPM (parts per million)
Response Time 90% in 30 seconds
Accuracy ± 5% of reading or ± 2 ppm H
2
S (whichever is greater)
Operating Temperature -4°F to 113°F (-20°C to 45°C)