Submersible Sensors PSMN / PSSN – For Hydrostatic Depth Measurement

Wednesday, 27. October 2010

With the pressure transmitters PSMN and PSSN, Baumer offers compact submersible sensors for hydrostatic depth measurement.

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  • For measuring ranges up to 250 mH2O
  • For media temperatures up to 80°C
  • Compact design for use in 1-inch sounding pipes
  • Seawater-resistant and ATEX versions available

They are suitable in many level measurement applications in drinking water supply, wastewater, reservoirs, lakes and rivers, flood protection or pump controls. Due to the small diameter of only 22 mm, the devices are perfect for the use in 1-inch sounding pipes. The PSMN is available with an accuracy of up to 0.1 % F.S. The PSSN's accuracy is 1 % F.S.
The submersible sensor PSMN is based on a piezoresistive silicon measuring cell. It is suitable for level measurement in drinking water supply, hydroelectric power plants or in shipbuilding, amongst others. The pressure transmitter has a measuring range from 1 to 250 mH2O and is offered with an accuracy of 0.1 % and 0.25 %. It features high long-term stability of 0.1 % F.S. per year and can be used with medium temperatures up to 80 °C. For applications in the ship building industry, the PSMN is available in a seawater-resistant version. In the execution PSMX, the transmitter is offered as ATEX version for the use in hazardous areas. The measuring range and the zero signal can be parameterised with the Baumer FlexProgrammer. The device is available with several current and voltage output signals, with different cable types, and with open or closed protection cap. A version with weight extension can be also provided.
The PSSN is based on a ceramic thick-film measuring cell. The submersible probe with a measuring range from 6 to 20 mH2O and an accuracy of 1 % F.S. offers a very good price-performance ratio. The measuring device features high medium compatibility and is suitable for level measurement in waste water applications, pools or flood protection, amongst others. The PSSN has a 4..20 mA output signal. It is available with or without protection cap.

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