JL085 five-digit stroke counter is used to accumulate and record the number of times of mechanical reciprocating motion, without zero return mechanism. When the record is full of 99999 and then counting can start from 00000 for the next cycle. The counting wheel of the counter is internal gear drive. When pulling the counter arm, and the arm connected to the propulsion mechanism to make the counting wheel for addition counting. This type of counter is mainly used in high-voltage switching electrical products, but also can be used in test equipment, printing equipment and so on.