Temperature transmitters are used to convert the primary sensing signal, usually a resistance change for RTD sensors or EMF for thermocouples, into a standard current signal of 4-20mA.

We offer a comprehensive range of temperature transmitters suitable for thermocouples or platinum resistance thermometers (RTD), these transmitters may be either head or rack mounted. Temperature ranges may be factory set or user adjusted. (Programmable, intrinsically safe, Hart®, Profibus® and Foundation Fieldbus® communication versions are available).

Model TR48 Temperature Transmitters

> ATEX Approval
> EExia / EExd (when fixed in    H70 Head)
> Radio Frequency Immunity from 20 to 1000 MHz
> Thermocouple and RTD Inputs
> Differential Transmitters
> Open Circuit Protection
> Cold Junction Compensated

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Model TR12 Digital Temperature Transmitters

> Universally programmable for
   - RTDs
   - Thermocouples
   - Resistance - sensor
   - mV - sensor
> Output linear to temperature    with input signal from RTDs and    Thermocouples
> Analog output 4 … 20 mA,    invertible, 2 - wire design
> Signalling configurable for    sensor burnout and sensor short    circuiting
> Ex class protection, intrinsically    safe ATEX Approved
   - EEx ia llC T4 / T5 / T6
   - EExnA
   - EExd (when fitted in H70      connection head)
> EMC Conformity per
- EN61326:1997/P1:1998/P2:2001
- NAMUR NE 21
> Galvanic isolation
> 100% Rh protection, moisture    condensation permissible
> Increased ambient temperature
> PC configurable, Windows®    programme
> CE Conformity

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Model TR12 DIN Rail Mounting Temperature Transmitters

> Universally programmable for
   - RTDs
   - Thermocouples
   - Resistance - sensor
   - mV - sensor
> Output linear to temperature    with input signal from RTDs and    Thermocouples
> Analog output 4 … 20 mA,    invertible, 2 - wire design
> Signalling configurable for    sensor burnout and sensor short    circuiting
> Ex class protection, intrinsically     safe, ATEX approved
       - EEx ia llC T4 / T5 / T6
> EMC Conformity per
    - DIN EN 50 081-1
    - DIN EN 50 082-2
    - NAMUR NE 21
> Isolation voltage 1500 VAC     between sensor and current loop
> PC - configurable, Windows®     programme
> CE Conformity

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Model TR32 Digital Temperature Transmitters

> HART® Protocol
> ATEX Approved
> Universally programmable for
      - RTDs
      - Thermocouples
      - Resistance - sensor
      - mV - sensor
> Output linear to temperature with    input signal from RTDs and   Thermocouples
> Custom specific linearisation          with max. 32 points for sensors    with W or mV output
> Analog output 4 … 20 mA,    invertible, 2 - wire design
> Signalling individually    configurable for possible errors
   of the sensor system
> Ex class protection, intrinsically    safe
    - EEx ia IIB / llC T4 / T5 / T6
    - EExnA
    - EExd (when fitted in H70       connection head)
> EMC Conformity per
-EN 61326:1997/A1:1998/A2:2001
-NAMUR NE 21
> Isolation voltage 1500 VAC    between sensor and current loop
> 100 % Rh protection, moisture    condensation permissible
   Increased ambient temperature
> Configurable via
   - HART® Communicator
   - PC Windows®-programme
> Terminal connections with    captive screws
> CE Conformity

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Model TR24 Temperature Transmitter

> Configurable with Windows® PC    without sensor simulation
> Analogue signal processing,    ideal for multiplex systems
> Quick response <1 ms to 90%
> Sensor burnout signalling    according to NAMUR NE 43
> Electromagnetic compatibility    according to NAMUR NE 21
> Measuring span from 20 K
> Compact design

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Model DLI1 Loop Powered Indicator

> Loop powered
> Less than 1V required from loop
> ATEX approved for us in IS loops
> IP68 enclosure available
> Field programmable
> Wide range of Zero offsets
> RFI protected
> 12.5mm high display
> Operating temperature -10 to    +70ºC
> Low cost

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British Rototherm Company Limited,
Kenfig Industrial Estate, Margam,
Port Talbot   SA13 2PW
United Kingdom

Telephone: +44 (0) 1656 740 551
Facsimile: +44 (0) 1656 745 915
E-mail: rototherm@rototherm.co.uk

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