Temperature sensor with screw thread for demanding applications
Omnigrad T TST187
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Class A accuracy (according to IEC 751 or EN 60751)
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Mineral insulated replaceable insert
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With thermowell, threaded process connection
and extension neck
Specs at a glance
Temperature range –50 to +400 °C (–58 to +752 °F) Tolerance Pt100 Class A Immersion length (diameter) 120/160/250/400 mm (⌀ 9 mm)
(4.7"/6.3"/9.9"/15.8" (⌀ 0.35"))
Response time ≤18 s (T50); ≤55 s (T90) Product / Version Price / pcs. in NOK Order code Terminal Type Immersion Length L 1 to 3 4 to 10 11+ Flying leads 120 mm 837,- 779,- 737,- TST187-1A2A 160 mm 837,- 779,- 737,- TST187-1A2B 250 mm 937,- 872,- 825,- TST187-1A2C 400 mm 937,- 872,- 825,- TST187-1A2D Terminal block 120 mm 918,- 854,- 808,- TST187-1A3A 160 mm 918,- 854,- 808,- TST187-1A3B 250 mm 1.018,- 947,- 896,- TST187-1A3C 400 mm 1.018,- 947,- 896,- TST187-1A3D Prices valid until 31.05.2018 in NOK per unit (not including shipping and applicable sales tax). See
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Application
The Omnigrad T TST187 RTD thermometer range covers a wide variety of market needs worldwide. Typical applications can be found in the chemical and pharmaceutical industry, pulp and paper, waste water and food industry. It is widely used in vessels and pipes where a reasonable response time is required.
Function
The Omnigrad T TST187 RTD thermometer assembly includes a replaceable inset, in mineral insulated sheath with a G½" process connection. The head transmitter (DIN 43729 Form B) is thermal decoupled via a extension neck. The inset is available either with flying leads for head transmitter mounting or with terminal block.
Installation instructions
Pipe installation
a) At elbows, against the flow
b) In smaller pipes, leant against the flow
c) Perpendicular to the flow
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Technical data
SensorSensing element Platinum resistance, 1×Pt100 (100 Ω at 0 °C) Tolerance Class A acc. to IEC 751: -50 to +250 °C
Class B acc. to IEC 751: 250 to 400 °C
Wiring Four-wire connection Insulation resistance ≥100 MΩ, test voltage 250 V at ambient temperature Electrical connection Flying leads or terminal block Sheath diameter 6 mm (0.24") Operating temperature –50 to +400 °C (–58 to +752 °F) Stem Mineral insulated cable (MgO) Response time value T50/18 s; T90/55 s; according to IEC 751, in moving water at 0.4 m/s Operating conditions 50 bar at +20 °C (725 PSI at +68 °F)
1 bar at +400 °C (14.5 PSI at +752 °F)
Protecting tubeShape DIN 43772 form 2 G Diameter 9 mm (0.36") Material SS 316Ti/1.4571 Process connectionShape DIN 43772 form 2 G Screw thread G½", 1.4571/SS 316TI;
½" NPT-M, 1.4404/SS 316 L
Terminal headType DIN 43729 form B Protection class IP 66/68 Electrical connection M20×1.5, cable gland Material Aluminum, polyester powder coated Dimensions (in mm)
L = Immersion length
Installation according to operation instructions
Electrical connection
Terminal block
For direct cable connection
a) red
b) white
Flying leads
For mounting of head transmitter
a) red
b) whiteTolerance values
a) Class A (°C)
b) Class B (°C)
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