Our team has an abundance of reed switch knowledge that sometimes seems hard to contain. But here on our blog our engineers and leadership share their abundance of knowledge to give you an inside look at how we use our work ethic, creativity and passion to push the limits of sensor technology everyday. Whether we are examining how we prototype projects or imagining ways that a reed switch could help us save a little water at home, we live sleep and breath sensor technology and want to share our insights with you.

Previous Posts


Upgrade Outdated Technology with Sentinel Retro

HSI Sensing was selected as the 2019 winner of the Intrusion Detection and Prevention Solutions for its Sentinel Retro – PRX+12215 and recognized on the main stage at ISC West, the nation’s largest converged security trade show, on April 10 in Las Vegas, Nevada. The Sentinel Retro is designed as a drop-in replacement to simplify … Continued


How Shipping Container Door Security Can Combat Cargo Threats

According reports from the FBI, cargo theft has cost shipping and trucking companies around $30 billion in lost revenue a year in just the United States alone. Losses can occur in a myriad of ways, from containers being mislaid, mislabeled, or simply failing to arrive at their destination, to instances involving premeditated criminal intent, such … Continued


Secure Your Business with Sentinel High Security Sensors

Security is important for every commercial property to prevent robberies and thefts and to ensure safe business operations. If thefts are not prevented, it can be very costly and the business can suffer. Security systems can help prevent robberies and thefts while ensuring safe operations for the workplace employees. With the advancements in technology, one … Continued


Medical Sensors Advance Smart Knee Implants

Sensors have been a medical mainstay for several decades and are now a key component in a myriad implantable devices, as well as some of the most advanced medical equipment. As technology advances, so does the use of medical sensors. As a leader in sensor technology, HSI Sensing has seen first-hand how it has revolutionized … Continued


Behind HSI

Ryan Posey


Ryan Posey currently serves as CEO at HSI Sensing, formerly Hermetic Switch, Inc. Founded in 1968 by Posey’s grandfather, William Posey, HSI Sensing is a multimillion-dollar manufacturing company that designs, develops and manufactures reed switches, proximity sensors and other sensing technologies for clients around the world. It serves industries ranging from aerospace, agricultural, oil and...