disynet presents the new EPB-PW pressure sensor for soil mechanics measurement

(PresseBox) ( Brüggen-Bracht, )
Pore water sensors measure pressure of groundwater in gaps (pores) between particles within soil or rock. Pore water pressure is vital in calculating the stress state and the mechanical and hydrologic behavior of ground soil, since it can result in movement of the ground. This could endanger building, bridge, windturbine and oil platform foundations, retaining walls, dams, and buried pipeline systems, causing them to become unstable, collapse or break.

After many years of development, the pore water sensor has now been optimized for pore water applications, especially for experimental equipment simulating soil mechanics in the laboratory. Using either ceramic or bronze sintered filters, the sensor can be used on clay or sand-based materials.

One of the challenges was to design the miniature sensor to make it is insensitive to clamping forces. A detailed instruction manual describes in detail how to mount the sensor.

With a measurement range of 70 bar and an overrange of 140 bar, the sensor housing can withstand this safety pressure factor of two without damage.

Made of titanium, the EPB-PW provides a rugged construction. Having a miniature design of 6.4 x 11.4mm ensures it is backwards compatible with other older manufacturers’ products. This miniature pressure transducer features an IP68 rating, can be used from -40°C to +80°C, has a flexible cable and is available with options such as a PT1000 temperature sensor upon request.

The standard version is suitable for many applications, in centrifuges, laboratory equipment or on field, but the dedicated design team at our Transducer Engineering Centre stands ready to provide a custom design as required.

For further information visit our web site: www.sensors.de
For sensor know-how, visit our online sensor compendium www.sensoren.info (in German)
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