Digiten Lcd Digital 0-99999 Counter 5 Digit Plus UP Gauge + Proximity Switch Sensor with Magnetic

Frequency Counters by SENSTREE. Details: The count signal and reset signal input switching should closer to the counter terminal. 2. To avoid unnecessary interference, if necessary, please use shielded cable, shield connected to the count terminal “+”. 3. Only can input contact point signal to count signal and clear signal. 4. The contact point input should be reliable to avoid counting incorrectly and being reset by mistakes. When the LCD display is unclear, please replace the battery. 6. Recommend to use magnetic switch.