Pressure switches keep it clean

An IFM Electronic product story
Edited by the Engineeringtalk editorial team Oct 26, 2005

The latest pressure switches from IFM Electronic feature a flush sensor for aseptic processes.

The latest pressure switches from IFM Electronic feature a flush sensor for aseptic processes.

The new PI series housing design packs in a host of improvements from electronic temperature compensation, improved signal evaluation giving an overall accuracy 0.2% as well as a maintenance-free high-purity (AI2O3, 99.9 %) ceramic cell that doesn't drift and doesn't need an elastomer O-ring.

Instead a cleverly mounted PTFE seal ensures there is no dead space.

The new units will work in an ambient temperature of -25 to +80C, monitoring medium temperatures between -25 and +125C, and can even withstand continuous fluid as high as +145C for up to 1h, making them ideal for installations where steam or hot liquids are used for cleaning and sterilisation.

Available with measuring ranges from -1 to 100bar they also come with a modular process connection using the Aseptoflex concept, so they will fit to most processes quickly and easily.

IFM Electronic's PI pressure sensors provide a measuring signal of either 0-10V or 4-20mA scalable via the pushbuttons.

There's also a programmable switched output available.

Optionally, the settings and values can be accessed and displayed via a PC.

The device also has its own display, consisting of a four-digit LED display of values and units (bar/millibar, kilopascals/megapascals, pounds per square inch or percent).

Naturally all PI series sensors are certified by both 3A and EHEDG.

Find out more about this article. Request a brochure, download technical specifications and request samples here.

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