... export Mechanical counter +Current transformer1. Working voltage rating: 3.5 to 6.5V;2. Working pulse width rating: 70 to 320mS;3 ... : ≥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 frequency 6Hz7 ... u Nm;8,Specifications(quantity of character wheel): 5+1(five integers with one decimal);6+1(six integers with one decimal); 9. Character ...