Pressure sensors different technologies study and comparison

On this unit you can also study the pressure control loop


  • Compressed air feeding with pressure reducer.
  • Pressure reducer with isolating valve.
  • Stainless steel compression box.
  • Manual vacuum pump.
  • Isolating valve on each sensor.


  • Differential pressure transmitter.
  • Relative pressure transmitter 4-20mA.
  • Absolute pressure transmitter 4-20mA.
  • Pressure gauge.
  • Configurable electronic indicator.
  • Reference absolute pressure transmitter 4-20mA.
  • Reference sensor electronic indicator.
  • The 4-20mA signals available on wiring terminals Ø 4mm.


Dim : 80 x 60 x 80cm – 50 kg
Aluminum profile framework 30 x 30mm


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Understanding of various pressures measured

Absolute pressure

Relative pressure

Differential pressure