Photogate

The Photogate BT63i is a traditional
photogate, which consists of a light gate
allowing detecting objects passing between
the photogate arms. In this light gate, a
narrow infrared beam is directed to a fast
infrared detector, which produces very
accurate signals for timing. The external
(laser) gate mode allows detecting objects
passing outside the photogate arms.
Includes: a pulley attachment and a steel
support rod.
The Drop counter can be attached to the photogate for titration experiments (not supplied has to be purchased separately Order Code ESD50092).
Up to five photogates can be chained in a
daisy-chain configuration and connected to a single interface input (IEEE1394 cable not supplied, this cable has to be ordered separately
Can be used to:
count events,
measure the speed of a moving (rolling) object (with the pulley attachment),
measure volume in titration experiments (with the drop counter attachment),
study pendulum periods,
measure the acceleration due to gravity (e.g. by using a picket fence).