Double Tally Counter

The main application of tally counters is as people counters. At concerts, stadiums, etc., a person will stand by the door with a tally counter recording the number of people that enter. At amusement parks, the rides can only hold a certain number of people, so the operator may use a tally counter to keep track of the number of people who get on the ride. They are also used for traffic analysis, scientific research, counting inventory and on industrial lines as well.