GB
DESCRIPTION MSA
8 Series 47K Gas Detector [SIL 2]
2. Description
2.1. General
The MSA Gas Detector Series 47K is designed to continuously monitor the
atmosphere for the presence of potentially explosive gas or vapour in air in the
range 0 to 100% LEL.
It is designed for use as an integral part of an MSA fixed gas detection system for
the protection of industrial plant and workers.
Typical areas where the MSA Series 47K Gas Detector can be used include:
The chemical and petrochemical industry
The paint and solvent-processing industry
The gas-processing industry
The steel-processing industry
Municipal areas
The Production, Warehousing, Distribution, Shipping and processing of gases
and vapours
The MSA Series 47K Gas Detector consists of the Series 47K catalytic sensor
and the junction box that contains the terminal board.
There are two versions of the junction box available:
Flameproof [Ex d] with ¾” NPT cable gland thread
Increased safety [Ex e] with metric M25 cable gland thread
The following Sensor Versions are available:
Series 47K-PRP: Poison Resistant Pellistor [100% LEL]
Series 47K-HT-PRP: High Temperature Poison Resistant Pellistor
[100 % UEG]
All versions are available in Stainless Steel 316.
Four accessories are available to allow easy calibration and to adapt the gas
detector to various applications:
Calibration cap
Flow through adapter
Duct mount flange
Weather protection cap with remote calibration capability