Photogate, Use The Photogate To Study Free Fall, Rolling Objects, Collisions, And Pendulums., Each

Details:

Power req: 5 vdc at 40 ma infrared source: peak at 880 nm dimension: 75 mm gate width output is high and led off for unblocked gate output is low and led on for blocked gate beam approximately 9 mm from the end of the gate armswarranty and services5-year limited warranty