optris CTex LT TECHNICAL DATA optris CT for applications in hazardous areas Features: • T wo-piece measuring system with active electronic for evaluation and passive IR receiver (sensing head) • C Tex sensing head can be installed as passive element in hazardous areas • E nergy limitation with appropriate zener barriers (PEPPERL+FUCHS) Concept / Scope of delivery Concept Classification of the optris CT sensing heads according to EN 60079-0/ EN 60079-11 (category of simple electrical devices)2) Intrinsically safe by limitation of the energy with two double zener barriers, type Z955 (PEPPERL+FUCHS) CT LT – Sensor (optics 2:1, 15:1, 22:1) CThot – Sensor (optics 2:1, 10:1) with cable length 3 m, 8 m or 15 m (selectable) Aluminum housing with mounting appliance for two zener barriers and CT electronics 2 zener barriers, type Z955 (PEPPERL+FUCHS)3) Technical data (zener barriers)1) EU type examination certificate IECEx certificate IECEx marking Ambient temperature of company PEPPERL+FUCHS by the operator 3) NOTE: The functionality and correct reading of the CT sensor can only be guaranteed if the recommended barriers are used 2) Verification

Manufacturer’s declaration for the CTex measurement system To verify that the optris CT sensing head is a simple electrical device according to EN 60079-11 item 5.7 we hereby confirm the following technical data: • Inductance (available for the sensor cable only): Inductance of the loops min. 0.55 mH/ km max. 0.56 mH/ km • In relation to a cable length of 15 m: Inductance of the loops min. 0.825 *10–3 mH max. 0.84 *10–3 mH • Capacitance: Capacitance of the sensor cable: Capacitance lead / lead min. 16.5 nF/ km Capacitance lead / rest min. 101.0 nF/ km In relation to a cable length of 15 m: Capacitance...