1This product is used in recording cumulative total of the number of times of electronic pulse signal 2It will generate attractive power in the electromagnet after the electrical signal input to the counter 3After input the electric signal to the counter, produce the suction in electromagnet in order to let gag bit spur escapement mechanism then spur the digital rotate cycling calculating in decimal scaler 4Combined with secondary instrument,it will be digital display instrument 5Widely used in various electric pulse counts in oil, chemical, textile, machinery, mining, national defense, agriculture, food, printing and other industries