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Posted: Tuesday 17th March 2009

New pressure sensor for pneumatics.

The latest pressure switch from ifm electronic , the PN78, now has additional features making it even more interesting for pneumatic applications.

For accuracy, the new PN78 uses a piezoresistive silicon measuring cell with less than 0.5 % switch point accuracy and giving a repeatability of better than 0.1 %.

For cost saving, the special design of the sensor allows differential pressure measurements to be made without having to connect a second pressure pick-up. The measuring range (relative pressure) is -110 bar (PN7834) or -11 bar (PN7809). The measuring cell can withstand an overload pressure of up to 20 bar and a burst pressure of at least 30 bar.

Furthermore, the new process connection with G 1/8 thread and numerous fixing holes allows the PN78 to meet common pneumatic standards. The process connection and optional adapters enable variable fixing options.

The two outputs can be programmed by the user as 2 x NC/NO or 1 x NC/NO and 1 x diagnostic output. In addition to the 4-digit alphanumeric display, 5 LEDs indicate the switching status and operating status.

Another advantage is the high protection rating IP 67, and the industrial standard M12 connector, for which ifm electronic manufactures and supplies the ideally suited EVC range of cables.

Telephone: 020 8213-0000
Fax: 020 8213-2228.

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