RKI Instruments Pioneer 4W - Manual (Page 47)

Pioneer Operator’s Manual (PRELIMINARY) Combustible Gas Transmitter • 1
Combustible Gas Transmitter
Overview
This detection insert describes the combustible gas transmitter. This insert also describes
how to install, start up, maintain, and calibrate the transmitter and run the Channel Setup
program. A parts list at the end of this insert lists replacement parts and accessories for the
combustible gas transmitter.
Specifications
Table 1 lists specifications for the combustible gas transmitter. See the specifications in
Chapter 1, Introduction, for specifications that apply to the Pioneer Gas Monitor.
Table 1: Specifications
Target Gas Combustible gas
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*
Alarm 1 Setpoint 10% LEL*
Alarm 2 Setpoint 20% LEL*
Alarm 3 Setpoint 50% LEL*
Response Time 90% in 45 seconds
* These specifications represent RKI standard settings; however, you can adjust them in the Channel Setup program.