RKI Instruments 65-2405RK - Manual (Page 5)

65-2405RK Combustible Gas Transmitter • 1
Overview
This manual describes the 65-2405RK combustible gas transmitter. This manual also
describes how to install, start up, configure, maintain, and calibrate the transmitter 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 combustible gas transmitter.
Specifications
Table 1 lists specifications for the combustible gas transmitter.
WARNING: When using the 65-2405RK, you must follow the instructions and warnings
in this manual to assure proper and safe operation of the 65-2405RK and to
minimize the risk of personal injury. Be sure to maintain and periodically
calibrate the 65-2405RK as described in this manual.
Table 1:Specifications
Description Specification
Target Gas
Combustible gas, methane calibration standard 1
Area Classification Explosionproof for Class I, Groups B, C, and D
Sampling Method Diffusion
Signal Output 4 to 20 mA
Detection Range 0 to 100% LEL
Accuracy ± 5% of reading or ± 2% LEL (whichever is greater)
Response Time 90% in 45 seconds
1
If calibration to a combustible gas other than methane is required, specify the required
calibration gas at time of order.