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Aplisens - PRE-28 Smart differential pressure transmitter

  • Nine standard pressure ranges
  • HART protocol
  • ATEX & DNV versions
  • 0.1% accuracy

Product description

The Aplisens PRE-28 Smart differentail pressure sensor is applicable to the measurment of the pressure, underpressure and absolute pressure of gases, vapours and liquids.


This pressure sensor comes with many extra options such as ATEX, DNV marine certificate, housing options, process connections and materials making this sensor very versatile.


Through the data interchange (HART) with the sensor you can:


  • Identify the transmitter
  • Configure the ouput parameters as below:

Measurement units and the values of the start and end points of the range

Damping time constant

Conversion characteristic (inversion, user's non-linear characteristics)

  • Read the currently measured hydrostatic pressure value, output current and percenatge of measuring range
  • Force an output current with a set value
  • Calibrate the transmitter in relation to a model pressure



Application examples:


  • Oil & Gas
  • Process
  • Chemical
  • Water management

Ordering information

Please refer to the datasheet further down the page under Downloads.


Parts Price



Technical data

Connection 1/4" NPT-F
Deviation max 0,1 %
Electrical connection DIN EN 175301-803-A
IP class IP65
Material of body Stainless steel AISI 304
Material of wetted parts Stainless steel 316L
Pressure range max 70 bar
Pressure range min 0 bar
Signal type 4-20 mA / Hart
Static pressure 70 bar
Supply voltage dc max 55 V DC
Supply voltage dc min 7,5 V DC
Temperature ambient from -25 °C
Temperature ambient to 85 °C
Temperature of media from -25 °C
Temperature of media to 120 °C


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