40T72 Indicator/Alarm unit



  • Microprocessor based indicator in 72×36 format manufactured with SMT.
  • The instruments have a Lexan membrane faceplate (guaranteed to IP65) which has 3 keys, and a 2, 3 / 4 digit display.
  • The input signal can be selected from a wide range of sensors:
    • Thermocouples of type J, K, R, S, T, B, E, N, L GOST, U, G, D, C
    • Resistance thermometers Pt100, Pt100J (Japanese standard) 2 / 3 wire
    • PTC and NTC themistors
    • Linear inputs 0 to 60/12 to 60mV, 0 to 20/4 to 20mA, 0 to 10/2 to 10/0 to 5/1 to 5/0 to 1/0, 2 to1V
  • The selection is made using the faceplate keys and correct input contact.
  • No external shunt or adapter is required.
  • A digital input (24Vdc/4mA) is available for resetting, holding, flashing, peak handling, or releasing the latch. The instruments have a maximum of 3 outputs that can be mechanical relays (5A/250V) or logic outputs (0 to 11Vdc).
  • In alternative to output 3 a 4 to 20mA output is available (max. 150 Ohm) for retransmission of the measured input signal, or digital input (24Vdc/4mA) can be provided which can be used for resetting, holding, flash, peak handling or releasing the latch.
  • Finally, a triac can be fitted (as an alternative to the other two relay outputs) that can drive resistive loads up to a maximum of 2,5A at 220V.
  • The programming of the instrument is made easy by grouping the parameters in function blocks (CFG for the alarm hysteresis, Inp for the inputs, Out for the outputs…) and by a simplified data entry menu.
  • The configuration can be simplified even further using the PC programming kit made up of a connection cable and a menu guide program that runs under Windows (see data sheet cod. 80021).
  • A configurable personal software protection code (password protection) can be used to restrict the levels of editing and displaying the configuration parameters.


  • Faceplate configurable input
  • Protected by a personal code
  • Configurable by a serial link
  • Transmitter power supply incorporated
  • Custom thermocouple linearisation available
  • Internal linearisation for engineering units
  • Labels provided for the more common physical units
  • Sampling time and trip intervention programmable between 15 and 120 msec with resolution between 2000 and 8000 steps
  • Retransmission of the measured variable signal
  • 3 trip points, completely configurable from the faceplate