Working principle & Introduction:
JL645B counter is a kind of general 5 digits pulling mechanical counter f, it is used to record the accumulative times of the mechanical reciprocating movement. It has no reset resign. When the counter times reach to 99999, re-counting can restart from 00000. Its counting wheels are driven by inside pinions. When the arm of the counter is pulled, the driving mechanism connected to arm will make the counter carry out addition counting. This kind of counter is mainly used in the industries such as high-voltage switch, testing equipment and printing equipment etc.