Acceleration
Angular displacement
Angular velocity
CO2
Current
Flow
Force
Gear tooth
Hall-effect
Humidity
Infrared
Light beam
Limit
Linear displacement
Linear velocity
Load
Magnetic
Metal
Motion
Oxygen
Position encoders
Pressure
Proximity
Strain
Temperature
Temperature memory labels, paints
Tilt
Torque
Ultrasonic
Underwater sound
Vibration