Helpful Resources

Learn about our products, specifications, applications and more.

  • The world’s smallest reed switches.
  • Award-winning high security sensors.
  • Trusted hazardous location sensors.
  • AS 9100D and ISO 9001:2015 certified.

HSI releases first true innovative development in reed switch technology in decades!

HSI True Form B

Uniquely Designed Reed Blades

A collection of best practices for reed switch handling, including bending, cutting, soldering, welding, circuit board mounting, storage and more.

Brief but helpful instructions on the proper way to connect and disengage magnetized magnets. The download includes photographs for easy reference.

A discussion of the internal and external plating materials available for reed switches, the unique benefits of each, and their affect on performance.

Reed Switch Testing

A description of the standard tests conducted to accurately and efficiently measure the magnetic sensitivity and voltage breakdown of a reed switch.

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Even with over 1500+ products to choose from, HSI offers a lot of options. Download our resources for more details.

ApplicationTypeDescriptionDownload
Hazardous Location SensorsProximity SensorsHazardous Location Sensors overview resource guide covering applications, ratings and performance.Download
Extreme Temperature SensorsProximity SensorsExtreme Temperature Sensor overview resource guide covering applications, ratings and performance.Download
Sentinel High Security SensorProximity SensorsSentinel High Security Sensor overview resource guide covering applications and performance.Download
Steel SensorsProximity SensorsHSI Sensing’s full line of ferrous metal sensing proximity sensors are the perfect fit for applications where space is at a premium.Download
CapabilitiesProximity Sensors, Magnets & Actuators, Reed SwitchesStatement of capabilities.Download
Reed Switch Plating Versus PerformanceReed SwitchesHSI Sensing takes great care when selecting internal and external plating material. Download
Medical and ImplantableProximity Sensors, Reed SwitchesHSI reed switches and sensors have been operating in critical, high-tech medical equipment for decades.Download
Product SpecificationsProximity Sensors, Reed SwitchesProduct specifications of HSI Sensing’s full line of reed switches and proximity sensors.Download
Aerospace SolutionsProximity SensorsHSI Sensing has been meeting the unique challenges of aerospace engineering for over 40 years.Download
Reed Switch Visual GalleryReed SwitchesActual size image gallery of our standard reed switch products.Download
Reed Switch Operation Over Temperature RangeReed SwitchesThe typical operating range for HSI Sensing Reed switches is -40oC to 125oC. Reed switches are quite capable of operating above and below this temperature range due to the nature and design of the device.Download
Proximity Sensors Visual GalleryProximity SensorsActual size image gallery of our full line of standard proximity sensors.Download
Custom Engineering ServicesProximity Sensors, Reed SwitchesGuide to our rapid solutions and custom engineering process and capabilities.Download
How to Handle a Reed SwitchReed SwitchesA collection of best practices for reed switch handling, including bending, cutting, soldering, welding, circuit board mounting, storage and more.Download
Magnet and Actuator HandlingMagnets & ActuatorsBrief but helpful instructions on the proper way to connect and disengage magnetized magnets. The download includes photographs for easy reference.Download
Plating verses PerformanceReed SwitchesA discussion of the internal and external plating materials available for reed switches, the unique benefits of each, and their affect on performance.Download
Reed Switch TestingReed SwitchesA description of the standard tests conducted to accurately and efficiently measure the magnetic sensitivity and voltage breakdown of a reed switch.Download
Proximity Sensor TestingProximity SensorsA description of the standard and custom tests conducted to accurately and efficiently measure the voltage breakdown, insulation resistance, and grounding of a proximity sensor.Download
Proximity Sensor Internal Contact PerformanceProximity SensorsA discussion of the internal plating materials available for proximity sensors, the unique benefits of each, and their affect on proximity sensor performance.Download
Proximity Sensor HandlingProximity SensorsA collection of best practices for proximity sensor handling, including printed circuit board mounting, storage, and more.Download
Proximity Sensor Environmental ConsiderationsProximity SensorsThe environmental factors that should be taken into consideration when selecting and working with a proximity sensor, and how they affect its performance.Download
Proximity Sensor Signal Electrical RequirementsProximity SensorsA discussion of the current, voltage, and power requirements for proximity sensors in various applications, the types of loads imposed on proximity sensors, and how each affects proximity sensor life.Download
Proximity Sensor OperationProximity SensorsAn overview of proximity sensor operation, terminology, and types. Includes helpful illustrations.Download
Reed Switch TestingReed SwitchesA description of the standard tests conducted to accurately and efficiently measure the magnetic sensitivity and voltage breakdown of a reed switch.Download
Reed Switch Environmental ConsiderationsReed SwitchesThe environmental factors that should be taken into consideration when selecting and working with a reed switch, and how they affect its performance.Download
Reed Switch Signal Mechanical RequirementsReed SwitchesThe physical and mechanical requirements that should be taken into consideration when selecting a reed switch for a particular application.Download
Reed Switch Signal Electrical RequirementsReed SwitchesA discussion of the current, voltage, and power requirements for reed switches in various applications, the types of loads imposed on reed switches, and how each affects reed switch life.Download
Reed Switch OperationReed SwitchesA thorough discussion of reed switch operation and terminology, as well as magnetic sensitivity, what affects it, and how it is measured.Download
Magnet & Actuator HandlingMagnets & ActuatorsBrief but helpful instructions on the proper way to connect and disengage magnetized magnets. Includes photographs for easy reference.Download
Magnet & Actuator OperationMagnets & ActuatorsA detailed discussion of magnet-actuated operation in both reed switch and proximity sensor applications, including detailed diagrams.Download
Magnet & Actuator Basics/Environmental Considerations Magnets & ActuatorsFull descriptions of the basic magnet types and suitable applications for each.Download
Magnet & Actuator Application Notes CollectionMagnets & ActuatorsThe full library of HSI Sensing Magnet & Actuator Application Notes compiled into one downloadable booklet.Download
Proximity Sensor ComponentsProximity SensorsA discussion of the various component options and assembly-ready services available to custom-configure a proximity sensor.Download
Proximity Sensor BasicsProximity SensorsThe definition of a proximity sensor and how in functions, as well as the basic configurations available.Download
Proximity Sensor Application Notes CollectionProximity SensorsThe full library of HSI Sensing Proximity Sensor Application Notes compiled into one downloadable booklet.Download
Reed Switch BasicsReed SwitchesThe definition of a reed switch and how it functions, as well as descriptions of the various types of reed switches available.Download
Reed Switch Application Notes CollectionReed SwitchesThe full library of HSI Sensing Reed Switch Application Notes compiled into one downloadable booklet.Download

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“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

Travis Posey

Sales and Strategy Expert
(405) 224-4046
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