optris® CTex LT TECHNICAL DATA optris® CT for applications in hazardous areas -^optrisI 1infrared measurements Features: • Two-piece measuring system with active electronic for evaluation and passive IR receiver (sensing head) • CTex sensing head can be installed as passive element in hazardous areas • Energy limitation with appropriate zener barriers (STAHL) with approval for zone 1 \ (PTB 01 ATEX 2053/ E II (1/2) GD [EEx ia/ib] IIC/IIB) Concept / Scope of delivery Technical data (zener barriers)1 Explosion protection Europe (CENELEC): for zone 1: PTB 01 ATEX 2053X for zone 2: PTB 01 ATEX 2054X IECEx PTB 08.0057X USA: ULE81680V1S3 Canada: CSA 1284580 (LR 43394) Europe (CENELEC): for zone 1: E II (1/2) GD [EEx ia/ib] IIC/IIB for zone 2: E II 3 GD EEx nA II T4 Classification of the optris® CT sensing heads according to EN 60079-0/ EN 60079-11 (category of simple electrical devices)21 Intrinsically safe by limitation of the energy with two double zener barriers, type 9002/22-032-300-111 (R. STAHL AG) CTLT - Sensor (optics 2:1, 15:1,22:1) 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 9002/22-032-300-111 (R. STAHL AG)3) 1 Declaration of company R. Stahl AG 2 Verification by the operator 3) NOTE: The functionality and correct reading of the CT sensor can only be guaranteed if the recommended barriers are used Installation Environmental rating I.S. circuits for: class I, II, III, division 1, groups A, B, C, D, E, F, G I.S. circuits for: class I, zone 0, group IIC class I, division 2, groups A, B, C, D class I, zone 2, group IIC Canada: I.S. circuits for: class I, groups A, B, C, D; class II, groups E, F, G class III class I, division 2, groups A, B, C, D class I, zone 2, groups IIC in zone 2, division 2 and in safe area acc. to IEC 60529/ clamping carrier IP 20/ housing IP 40 Ambient temperature Optris GmbH ■ Ferdinand-Buisson-Str. 14 ■ 13127 Berlin ■ Germany Phone: +49 (0)30 500 197-0 ■ Fax: +49 (0)30 500 197-10 ■ E-mail: [email protected] ■ www.optris.global

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: • nductance (available for the sensor cable only): I Inductance of the loops min. 0.55 mH/ km max. 0.56 mH/ km • n relation to a cable length of 15 m: I 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 max. 17.9 nF/ km Capacitance lead / rest min. 101.0 nF/ km max. 103.4 nF/ km In relation...