User Manual

4 • 35-3000RK-LEL Combustible Gas Sample-Draw Detector
Overview
This operator’s manual describes the combustible gas sample-draw detector. This manual
also describes how to install, start up, maintain, and calibrate the sample-draw detector
when using it with a gas monitoring controller. A parts list at the end of this manual lists
replacement parts and accessories for the sample-draw detector.
Specifications
Table 1 lists specifications for the combustible gas sample-draw detector. See the controller
Operator’s Manual for information specific to the controller.
Table 1: Specifications
Target Gas Combustible gas, methane calibration standard
Input Power 24 VDC Nominal (23 VDC - 28 VDC)
Construction (housing) Fiberglass/polyester (NEMA 4X)
Dimensions 8.5 in. H x 6.5 in. W x 4.25 in. D
Weight 4.5 lbs.
Sampling Method Sample-draw
Sample Flow 1.5 SCFH (nominal)
Detection Range
0 to 100% LEL
1
Response Time 90% in 30 seconds
Linearity ±5% of detection range
Repeatability ±2% of detection range