Contactless Sensing

HSI sensors come in hundreds of different sizes and shapes and meet a multitude of application requirements.

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A Perfect Match

Sensors use the reed switch as the heart of their switching mechanism. When paired with a permanent magnet they are an ideal method of sensing and detecting metal, movement, proximity, and liquid level and flow.

Limit Switching

Spot On™ Leverless Limit-Switches are designed to handle the most extreme operating environments. The four different Spot On™ models can sense farther, work faster and last longer than the competition.

Steel Sensors

Our full line of ferrous metal sensing proximity sensors are the perfect fit for applications where space is at a premium. Since no actuator is required, the overall footprint of the sensor is greatly reduced.

Below is just a sampling of our 1500+ products to choose from with various options available for customization, including switching and range. All HSI products can be modified to your specifications.

PRX+12210

Sentinel High Security Sensor features a Max power 6 W, Switching voltage 30 VDC, Switching current 0.2.

PRX+155900

This Pick-and-Place Contact Form A that features a Max power 10 W. Switching voltage 180 VDC, Switching current 0.7.

PRX+11700

Contact Form A Steel Sensor that features a Max power 10 W. Switching voltage 100 VDC, Switching current 0.25.

PRX+14340(M)

Contact Form C that features a Max power 100 W. Switching voltage 500 VDC, Switching current 3.

PRX+13350(M)

Contact Form C that features a Max power 100 W. Switching voltage 500 VDC, Switching current 3.

PRX+21465

Contact Form C that features a Max power 100 W. Switching voltage 120 VDC, Switching current 3.

PRX+13540

Latcher that features a Max power 25 W. Switching voltage 150 VDC, Switching current 1.

PRX+13530

Latcher that features a Max power 25 W. Switching voltage 150 VDC, Switching current 1.

PRX+11200

Contact Form A Steel Sensor that features a Max power 10 W. Switching voltage 200 VDC, Switching current 0.2.

Proximity Sensors Guide

  • Download our full line of reed switches and proximity sensors.

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

Full Product Catalog

Switches, Sensors and More
(405) 224-4046
(405) 224-4046
  • Download our catalog that features over 1,500 products.