We are specialists in position sensing, in other words feed back signal from a linear or rotary sensor. With our experience we will guide you to the best solution, no matter if you need some standard components from our stock or larger quantities of a customized sensor.

Pressure transmitter ECL 8439, Submersible

The new ECL 8439 submersible pressure transmitter is the ideal choice for reliable and cost-effective level measurement in applications with drinking water, grey water and sewage water, oils and fuels, seawater and many more. The robust ceramic sensing element of Trafag's own production and the high-performance electronics based on the Trafag ASIC allow accurate measurement even under harsh conditions. The electronics complies with EMC standards EN/IEC 61000-6 and features an integrated lighting protection as standard.


  • Suitable for thick and viscous media
  • Different materials for optimum media compatibility
  • Lighting protection integrated


  • Process technology
  • Water treatment (wastewater, grey-water, drinking water)
  • Seawater
  • Level of oils and fuels




Material AISI316L, 1.4462
Measuring range 0...0.01 till 0...2.0 bar
Pressure connection -
Sensor technology Thick film on ceramic
Protection rating IP68
Linearity ± 0.3 % FS typ, ± 0.5 % FS typ
Connection Cable
Output 4...20 mA
Media temperature -10...+70°C
Temperature range -10...+70°C

Maximilian Grudin

Product division:
Pressure- and temperature sensors

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