Gefran Website Focuses On Impact Pressure Sensors

Gefran has launched a dedicated website for its Impact series of high-temperature fluid pressure transducers and transmitters suitable for medical and food industry plastics production. With product specifications and application information for plastics extrusion, injection moulding, blow forming and polymer production, the website covers the complete Impact range, which is based on MEMS technology to produce a fluid-free piezoresistive sensor capable of operation in high-temperature environments of up to 350C.

Unlike conventional melt pressure sensors that use mercury or oil filling, the silicon on insulator (SOI) sensing element is suited to RoHS-compliant uses. According to Gefran, as the process contact membrane can be up to 15 times thicker, the sensors offer a much improved resistance to dynamic pressures, an increased resilience to abrasive materials and a longer lifecycle. The website covers specifications for the five different sensor models available in the range. Users can select voltage output from 4-20mA or mV/V output transmitters for full-scale pressures up to 1,000 bar or 0-10V/CANopen transducers for pressures up to 3,000 bar.

For explosive atmospheres, an Ex-rated version is also available. The website also includes downloadable PDFs for further product information in addition to the electrical installation manual. The Impact series features a separate signal-conditioning unit and a 15-5pH stainless-steel isolation diaphragm with a GTP coating for optimum corrosion, abrasion and temperature resistance. A choice of both rigid and flexible stem lengths is available.

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