Safety Sensors

Safety sensors are used to detect unsafe conditions and transmit signals to devices that alert personnel such as machine operators. Safety sensors attach to many different types of machinery and equipment. Safety sensing devices and safety sensing systems often interface to a computer or programmable logic controller (PLC). They are well-suited for applications and industries that require safety material presence sensing. The most common types of safety sensors are break-a-beam switches, interlocks and tag out devices, perimeter guards, photoelectric safety sensors, safety blocks, safety interlock switches, safety sensor switches, and wireless safety sensors. Many safety sensor suppliers are located across the United States and around the world.

Safety sensors, safety sensing devices, and safety sensing systems use many different technologies. A break-a-beam sensor transmits a signal when a beam of light is interrupted. An interlock or tag out device prevents valves or electrical switches from working when a safety condition is breached. A perimeter guard creates sound waves or transmits a signal when personnel enter a specific area. A photoelectric safety sensor provides light-sensing capabilities. A safety block is a safety sensor used with industrial presses. These safety sensing devices protect workers and equipment by preventing contact between the die and ram of a press during die repair. A safety sensor switch is used in areas with electrical connections. These safety sensors are enclosed in protective or insulating materials as necessary.

There are many applications for safety sensors, safety sensing devices, and safety material presence sensing systems. General-purpose products are used in a variety of manufacturing and material handling applications. Specialized safety sensors are used in the production and transportation of corrosive or flammable materials. Wireless safety sensors are more expensive than traditional devices, but do not require the use of cabling. Sanitary applications such as food processing, beverage processing, and pharmaceutical production also use safety sensors.

• Review of Sensor Technologies Used in Personal Safety Instruments
  The widespread use of personal safety instruments for the protection of hazardous gases has spurred much interest as well as confusion about the sensing technologies behind the scenes. Gas detection...
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• Laser Mouse: Sensor Eye Safety Calculations - App Note
  The eye safety calculations presented in this application note apply to the Avago Technologies Laser mouse sensor bundles ADNB-6031 and ADNB-6032. The Avago Technologies ADNB-6031 and ADNB-6032 laser...
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• Aviation Weather Surveillance Systems: Advanced Radar and Surface Sensors for Flight Safety and Air Traffic Management
  Aviation Weather Surveillance Systems: Advanced Radar and Surface Sensors for Flight Safety and Air Traffic Management This book provides a comprehensive introduction to the science, sensors and...
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Part Numbers for Safety Sensors