| 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
|
|
- 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
|
|
| Ultrasonic sensors |
|
- Resolution
- Repeatability
- Sensitive to temperature changes
|
- Anti-collision
- Doors
- Web Brake
- Level control
|