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Intensely engineered, high-voltage reed switches. How many volts can we help you handle?

Custom Engineering

custom engineering

Your project is full of possibility. But to make it work, you need a custom-designed sensor at the leading edge of its capability. You need HSI Sensing.

Making Sense

making sense blog

Subscribe today for late-breaking insights and discoveries about sensing technology, from the guys who know it better than anyone.

Medical & Implantable

medical

Because of their micro-miniature size, low consumption of power, and extreme reliability, HSI sensors are the premier choice for critical medical applications.


HSI Sensing

HSI Sensing is the innovative leader in the engineering, design, and precision manufacturing of custom reed switch and sensor technology. The industry experts at solving problems for customers in challenging design applications, we also precision manufacture those solutions for consistent, unmatched quality.

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News Center

HSI Introduces the World’s Smallest Form B

10/28/2014
HSI Introduces the World’s Smallest Form B
“This switch is the first new technology to hit the reed switch market in over 50 years,” says David Posey, HSI Sensing’s CEO and Chief Technology Officer. Read More

HSI Leadership Serves Oklahoma Education

10/14/2014
HSI Leadership Serves Oklahoma Education
HSI president Ryan Posey and vice president of business development Travis Posey serve Oklahoma education through two recently announced board appointments Read More