SITRANS TF - Temperature Transmitter In Field Enclosure

Brand: Siemens AG

SITRANS TF is an IP67 field transmitter for heavy industrial use. 

It transforms resistance thermometers, thermocouples, Ohm and mV signals into a load independent DC current corresponding to sensor characteristic or a digital signal according Fieldbus standard Profibus PA or Foundation Fieldbus.
Features
  • Flexible use - Local sensing of measured values over digital display; version without transmitter
  • Rugged two-chamber enclosure in die-cast aluminum or stainless steel
  • Easy handling - Test terminals for direct read-out of the output signal without breaking the current loop
  • Unobstructed operation – remote mounted sensor prevents transmitter from heating up, immune against vibrations and oscillations thanks to long neck tubes and protection pipes

Specifications

Brand

Thermometer Input Type

  • According to IEC 60751: Pt25 … Pt1000
  • According to JIS C 1604, a = 0.00392 K-1: Pt25 … Pt1000
  • According to IEC 60751: Ni25 … Ni1000

Thermometer Connection

  • 2,3,4-Wire connection

Sensor Current

  • ≤ 0.45 mA

Response Time

  • ≤ 250 milliseconds for 1 sensor with break monitoring

Sensor Type

  • Resistance-based, potentiometers

Thermocouple Type

  • Type B, C, D, E, J, K, L, N, R, S, T, U

Output Signal

  • 4 ... 20 mA, 2-Wire

Measuring Accuracy

  • Error in the analog output (digital/analog converter): < 0.025 % of measuring span

Ambient Temperature

  • -40° C to 85°
  • -40° F to 185° F

Degrees of Protection

  • IP66/67/68

Certifications & Approvals

  • With digital display: II 2 (1) G Ex ib [ia Ga] IIC T4 Gb, II 2 G Ex ib IIC T4 Gb, II 2 D Ex ia IIIC T100° C Db
  • Without digital display: II 2 (1) G Ex ib [ia Ga] IIC T6 Gb, II 2 G Ex ib IIC T6 Gb, II 2 D Ex ia IIIC T100° C Db
  • IECEx
  • EAC Ex(GOST)
  • INMETRO
  • NEPSI
  • KOSHA

Protocol

  • HART protocol, version 5.9

  • SITRANS TF can be used everywhere where temperatures need to be measured under particularly adverse conditions, or where a convenient local display is ideal.
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