Industry’s Best High Security Sensor

Winner of the Security Industry Association (SIA) New Product Showcase Awards.

Sentinel Retro – PRX+12215

Intrusion Detection and Prevention Solutions

Your High Security Solution

Sentinel technology utilizes Hall sensors and intelligent algorithms making them resistant to physical, electrical and magnetic tampering.

  • Works on both metal and wood entry points.

  • Can be mounted in multiple orientations and positions.

  • Keyed tamper plate protects against physical tampering.

  • Drop-in replacement to simplify upgrading outdated technology.

  • Reduces nuisance alarms and false alarms caused by shock and vibrations.

  • Resistant to electrical nuisances like lightning, electrostatic discharge and radio frequencies.

  • Makes installation easier by detecting and sending a unique output for improper air gap and misalignment.

Drop-In Ready

Sentinel is ready out-of-the-box to deliver reliable entry point monitoring in high-security areas. Each Sentinel sensor comes with the sensor, actuator and mounting hardware for quick and easy installs.

UL Certified

Sentinel sensors are the most advanced High Security door contacts listed to UL 634 Level 2 with advanced engineering that eliminates alignment issues at install while accommodating longterm door sagging.


Retrofit, Solid State, Surface Mount Side-exit metal-jacketed cable


Retrofit, Dual Alarm, Surface Mount Side-exit metal-jacketed cable


Retrofit, Dry Circuit, Surface Mount Side-exit metal-jacketed cable


Solid State, Surface Mount Side-exit metal-jacketed cable


Solid State, Surface Mount Side-exit metal-jacketed cable


Solid State, Recessed Rear-exit cable


Recessed Rear-exit cable


Surface Mount Rear-exit cable

Let’s Make Things Happen

Simply reach out to connect with us. We’ll discuss your project and provide solutions, unique to your specific needs.

“We are constantly looking to reimagine the way we use sensor technology in our everyday lives. Whether our engineers are looking at a chemical processing plant, a fighter jet or a pinball machine, we are imagining the way that we can use our products to make those technologies better.”

Ryan Posey

HSI Sensing, CEO

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