Mechanical counter 1,non-reversible version: it has stop mechanism for wheel reverse rotation 2.Mainly export Europe.INDIA,ETA Mechanical counter +Current transformer1. Working voltage rating: 3.5 to 6.5V;2. Working pulse width rating: 70 to 320mS;3. Rated working pulse interval: ≥50MS; 4. Coil resistance: 430±5%ohm5. Velocity ratio 10:1,20:1,80:1,100:1,200:1,400:1,800:1,1000:16. Working ...