mini counter Main technical indexes: 1,Operating voltage :DC 5V positive pulse 2,Operating power lose: no great than 125mW mini counter Main technical indexes:1,Operating voltage :DC 5V positive pulse2,Operating power lose: no greater than 125mW3,Pulse width: 20 to 320ms,finest 50ms 4,Extrior magnetic interference resistance: Greater than 3000MT, it can also install iron sheet shield case5,Pulse ...