Hit Enter to Search


Isolation amplifier with sensor supply for the connection of 4...20mA signals out of the explosive hazardous areas

Inquire now

  • Sensor supply for 4...20mA devices 
  • Bidirectional HART® signal transfer and communication plugs for sensor parametration per HART® communication
  • Compact rail fastening housing 22,5mm
  • 20...253V AC / DC wide range supply
  • Certification for connection of intrinsically safe devices [EEx ia] IIC
Application description

Connection of 2-wire-measurement transmitter, e.g. for elimination of ground loops. 

The isolation amplifier ExTVA-500-UC supplies the sensor with auxiliary energy and transmits the 4...20mA measurement signal to the output. A bidirectional HART communication with SMART-transmitters is possible. The optional intrinsically safe input circuit fulfills die ignition protection class intriniscally safe (i)