Data sheet Date Page BASE THERMO-SENSOR INSERT for RTD or Thermocouple TYPE TTS81 Inserts (RTDs and thermocouples) with mineral insulation, without thermowells, according to DIN 43735, DIN 43762, IEC 751 (RTD) and IEC 584 (TC) Type T 01 APPLICATIONS • With threaded, weldable or flange-mounted thermowells • Mounting on pipes and open or closed vessels • For a wide range of media: vapours, gases, liquids, non-abrasive substances • Special executions for explosive environments ATEX certified : 0496 DESCRIPTION The sensors incorporated in all these inserts are protected by a metal sheath. They can be of 2 types: Bv resistance temperature detectors (RTDs) or thermocouples (TCs). In each case, the sensor supplies an electrical signal corresponding to the temperature. The connection head carries a ceramic terminal block for connecting the wires, attached by 2 screws with springs. The travel of this spring mounting assures best thermal conductivity, compensation of length tolerances in thermowells and protection against vibration. When mounted in thermowells, inserts can be simply replaced, without removing the thermowell from the pipe and without any process interruption. For explosive environments, executions meeting the requirements of EN 60079-0 “Electrical apparatus for potentially explosive atmospheres (general requirements)”, EN 60079-1 (flameproof enclosure “d”), EN 60079-7 (increased safety “e”) or EN 60079-11 (intrinsic safety “i”) are available. Thermowells respect the required thickness. OPTIONS Temperature probes may be supplied with temperature transmitters directly remote mounted analogue digital SMART “HART”® or “PROFIBUS” ® HOW TO ORDER Please specify: model, type of sensor and accuracy class, material and dimension of probe, options if any Example : TTS81-TC-CI.A-AISI316 6mmxL+200mm _______________________________________________________________________________________________ PCI (Process System Solutions) Ltd, Unit 7 Slaidburn Crescent, Southport, Merseyside, PR9 9YF, UK, Tel: +44 (0) 1704 509090, Fax: +44 (0) 1704 509091, email: [email protected], Website: www.pci-instruments.com (Specifications are subject to change without notice)

Data sheet Date Page THERMO SENSORS 1. Limiting temperatures (°C) for insets Sensor 1.5 to 3.2 mm dia. Pt 100* -200…+ 550 J, -200…+ 600 E, -200…+ 700 K, N -200…+ 800 * Pt 100 -200…+850°C, Cl. B, as option 2. Precision classes TC according to IEC 584-2 3. Insert thermometric sheath The sensors (RTDs or thermocouples) within the insets are embedded in a compacted MgO powder protected by a metal sheath. This sheath is free of pores, and can be bent at limited curvature. Important: avoid bending the metal sheath at a point less than 50 mm from the tip. The standard sheath is in AISI316 or INCONEL...

Data sheet Date Page 9. Indicative values for resistances of conductors incorporated in insets at +15 to +35°C (for cable length) For 3 mm dia.: approx. 0.28Ω /m. For 6 mm dia.: approx. 0.07Ω /m. 10. Resistance of insulation at +15 to +35°C (according to IEC 751) 100 M with U = 100 VDC 11. Sensitive length of insert For RTDs: max. 40 mm for all diameters of inset sheath. For thermocouples: approximately equal to the external diameter of the inset sheath, but not more than 5 mm. 12. Response time The values given are for insets without thermowell. This is the time by which the reaction of the...