Questions about our products?

E+E sensors EE451 are used for temperature measurement in heating, ventilation and air conditioning systems enabling weather-dependent temperature regulation.

In addition to active outputs 0-10 V or 4-20 mA various types of sensing elements such as Pt1000, NTC10k or Ni1000 are available for passive temperature measurement.

The innovative enclosure concept (IP65) with a mounting bracket allows for easy installation and unbiased detection of ambient temperature.


  • External mounting holes
  • Bayonet screws
  • Mounting bracket

Technical data

  • -40…70 °C (-40...158 °F)

    Measuring range passive output
  • two-wire

    T-Sensor connection
  • -40…70 °C (-40...158 °F)

    Measuring range active output
  • ±0.3 °C (±0.54 °F)

  • IP65 / NEMA 4

    Protection class
  • 0-10 V or 4-20 mA

  • 24 V AC/DC


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