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Hydrostatic Level / Pressure / NIVOPRESS D ®


NIVOPRESS D level transmitters operate in 2-wire systems that convert the relative pressure (input signal) into a direct current signal
(output signal). The silicone oil (cooking oil on request) transmission fluid transmits the pressure value from the stainless steel diaphragm
to the piezoresistive sensor of the transmitter — smart electronics and HART® communication feature local and remote programming.
The transmitters are available in standard and non-sparking (Ex ia) versions.
Due to their design, the NIVOPRESS D front diaphragm level transmitters are particularly suitable for level measuring tasks by measuring pressure at the bottom of the tank. The same design makes it an excellent instrument for food applications (milk, pastes). The smooth
membrane surface and the maximum permissible medium temperature of +125 °C (+257 °F) ensure hygienic cleaning in technologies
that require regular cleaning and eliminate the risk of clogging. The device can be used for all level measurement tasks with atmospheric pressure above the liquid column.


  • 2-wire compact transmitter
  • Stainless steel diaphragm
  • Accuracy: 0.25%
  • High overload capability
  • Level and pressure management
  • Plug in display module
  • High-temperature range
  • Explosion-proof variants available
  • Viscous or corrosive materials
  • Chemicals with dense vapor or gas layers above the surface


  • Level measurement of most foaming liquids and masses in tanks and vessels
  • Chemical industry
  • Food and beverage
  • Power plants
  • Oil industry
  • Water / wastewater industry
Power supply:10…36 V DC
Ambient temperature:−40 °C…+70 °C
Process temperature:−25 °C…+125 °C
Process pressure:up to 400 bar
Output:4…20 mA, HART®
Process connection:1″, 1½”, flanges, hygienic fittings
Ingress protection:IP65