Sensors & Transducers


Contrinex's high pressure inductive sensors

September 2012 Sensors & Transducers

High pressure inductive sensors are used in applications where the sensors have to deal with higher pressures than the ambient. As opposed to the market standard, Contrinex offers sensors that are not only resistant to high pressures, but can also withstand high vacuum without degassing. The ceramic face which is shrunk onto the stainless steel housing withstands an extraordinary number of pressure cycles and guarantees a completely gas-tight sensing face. Furthermore, the sensors feature long operating distances and wide temperature ranges.

The fluid power industry was able to regain applications which were lost to electric solutions before. One of the reasons was the merging of hydraulic and electronic parts in fluid power components, like hydraulic and pneumatic cylinders, equipped with high pressure resistant sensors from Contrinex. Reduction in size represents a further important factor: in order to decrease the size without a loss of performance, the pressure has to increase. To provide the fluid power industry with well adapted products, Contrinex developed sensors in M5 and M8 housings, pressure resistant up to 1000 bar.

These miniature sensors deliver an operating pressure of 500 bar and a peak pressure of 1000 bar, a temperature range from -25 to 100°C and a sealing concept that lasts at least 1 000 000 pressure cycles. Applications include:

* Hydraulic cylinders.

* Hydraulic pumps.

* Hydraulic valves.

* Lubrication systems.

* Harbour cranes.

* Plastic injection machines.

* Concrete pumps & mixers.

* Offshore installations.

* Water-jet cutting machines.

* High vacuum pumps & valves.



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