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Next-gen Printed Polymer Strain Gage goes Wireless

new P-DMS Polymer Strain Gage

Hoffmann + Krippner announce that their compact and cost-effective, patented sensor paste technology printed onto a PCB board is now shipping. The new P-DMS Polymer Strain Gage is extremely sensitive to slight pressures; a small deformation to the paste generates a change of its electrical resistance generating an analog signal to enable measurement, input and control to a wide range of applications.

Touted to require no moving parts, this simple device can be very accurate and long lasting as the strain gage can be directly printed on the application’s control board without wires.

This enables compact and affordable designs, as well as eliminating the failure points of wire failure and corrosion.  It also eliminates electrical sparking as the key contacts come together.

Key Applications

Interesting applications include musical instruments such as a piano keys and electric guitars, control switches for DJ audio mixing gear, inside shoes to measure pressure distribution as someone stands or walks, for use in “silent” keyboards (no key clacking), inventory control for grocery store shelves and vending machines, automotive touch screens and function activators, as well as hazardous area applications where a tiny spark from keys closing an electrical circuit could set off a fire or an explosion.

The new P-DMS Strain Gage is available in wide variety of customized sizes and shapes.

Design engineers and developers can control costs and shorten development times by working directly with Hoffmann + Krippner to integrate the gage into early stages of development. In addition, Hoffmann + Krippner offers in-house development, design and manufacturing expertise to customize the gage design and specifications to customer requirements.

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