Application and advantages of sensors

Sensor Advantages Disadvantages Applications
Limit Switch sensors
  • High Current Capability
  • Low Cost
  • Familiar “Low-Tech” Sensing
  • Requires Physical Contact with Target
  • Very slow response
  • Contact bounce
  • Interlocking
  • Basic End-of-Travel sensing
Photoelectric sensors
  • Sensor all kinds of materials
  • Long life
  • Longest sensing range
  • Very fast response time
  • Lens subject to contamination

· Sensing range affected by color and reflectivity of target

  • Packaging
  • Material handling
  • Parts detection
Inductive sensors
  • Resistant to harsh environments
  • Very predictable
  • Long life
  • Easy to install
  • Distance limitations
  • Industrial and machines
  • Machines tool
  • Senses metal-only targets
Capacitive sensors
  • Detects through some containers
  • Can detect non-metallic targets
  • Very sensitive extreme environment changes
  • Level sensing
Ultrasonic sensors
  • Senses all materials
  • Resolution
  • Repeatability
  • Sensitive to temperature changes
  • Anti-collision
  • Doors
  • Web Brake
  • Level control

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