Fire-fighting-enterprises Talentum IR3 Flame Detector Manuel d'utilisateur

16 This document is IS Flame Detector Installation Guide/2008/Issue 3 1 Intrinsic

2 Introduction to Intrinsic Safety There are many places where an explosive mixture of air and gas or vapour is or may be present continuously, int

14 IS System Drawing with Remote Detector Test Option Hazardous Area i -24V DC Normal (Break

4 CENELEC / IEC Ga Ex ia IIC T4 Table 2 Type of Protection Codes Table 3 Temperature Classification

12 Maximum Loading of IS Circuit Because of the finite resistance of the safety barrier, there will be a limit to the current drain which can be

6 Intrinsically Safe Flame Detector (Alloy Housing) Fig. 2 The flame detectors respond to light emitted from flames duri

10 Interconnecting Cable Parameters It is not permitted to connect more than one barrier circuit in the hazardous area to any other circuit. Ther

8 Galvanically Isolated Barrier Galvanically isolated barriers (also know as transformer isolated barriers) differ from conventional shunt zener ba