Stepper Electronics Counter, 3V-6V. Technical Parameter for the Electronic Impulse Scale used in Electric Energy Meter: *Rated Working Voltage Amplitude: 3.0V~6.0V *Rated Working Voltage Impulse Width: ≥100MS *Rated Pulse Interval Time: ≥50MS *Coil Resistance: 430±5%Ohm (23±2) *Stepping Motor Driving Moment: 30uNm *No-Failure Life: ≥1 Billion Impulse *Rated Working Band: ≤3HZ *Max Working Speed ...