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The Vernier Photogate works both as a traditional photogate for objects passing between the gate arms, and as a laser gate for objects passing outside of the gate. The gate has an input port so multiple gates can be connected in a daisy-chain configuration with up to four gates going to a single interface channel.
Photogates can be used to study free fall, air track collisions, pendulum periods, the speed of a rolling object, and many other things. The Vernier Photogate includes an accessory rod for mounting to a common ring stand.
The laser gate mode requires the addition of a common pen laser, which is directed into the laser port. The laser may be some distance from the gate, so that you can measure the speed of larger objects such as a rocket, model car, or even a real automobile.
Note:
For use with the Original CBL, you will also need an additional adapter, sold separately (order code CBL-P). When used with a ULI, an additional cable is required for each daisy-chained photogate (order code PG-BTD).
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The Vernier Photogate being used in daisy chain mode (left) with an additonal cable. It can also be used as a laser gate (below).
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