4-20mA TC Transmitter SEM203TC

4-20mA TC Transmitter SEM203TC

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The SEM203TC is a cost effective in head transmitter that accepts thermocouple temperature sensors and converts sensor output over a configured range to a standard industrial 4 to 20 mA transmission signal.


  • K, J, N, E, T, R, S thermocouples plus mV
  • Simple push button configuration
  • Isolation Input to Output

  • A simple push button operation allows the user to select TC type, burnout direction, select fixed ranges and trim the 4 and 20 mA points. If required the desired range can be specified at the time of order, removing the need for user configuration.


    The transmitter will be shipped with the default range of (0 to 1000) °C type K


    The SEM203TC can be ranged against a probe held at high and low range values or by using a thermocouple simulator representing the required temperature using a simple “teach” method. Burnout direction can also be set using the same push button. A zero and span trim function is also incorporated into the SEM203TC to give maximum flexibility.

    If a sensor wire is broken or becomes disconnected the SEM203TC output will automatically go to its user defined level upscale or downscale and the LED illuminates.


    The SEM203TC in head transmitter incorporates the latest digital technology to ensure accurate, low drift performance.


    If the SEM203TC detects the sensor is out of range, then a red LED will illuminate in the transmitter to alert the user that something is wrong.

    Detailed specifications are available on request.