This general-purpose sensor is commonly used for a wide variety 
of experiments such as studying the swing of a pendulum, 
measuring the speed of a rolling object or measuring the speed of colliding objects.

• Specs:
• • -Range: 0 to 5 V
  • -Detector rise time: 180 ns
  • -Detector fall time: 180 ns
  • -Parallax error: For an object passing within 1 cm of the detector, with a velocity less than 10 m/s, the difference between the true and effective length is less than 1 mm 
  • -Infrared source: Peak at 800 nm