Technical parameters of electrical watt-hour meter pulse counter |
1. working voltage rating: | 4±0.5V; |
2. working pulse width rating: | ≥80MS; |
3. rated working pulse interval: | ≥50MS; |
4. coil resistance: | 430±5%ohm23±2 |
5. velocity ratio | 100:1 200:1 400:1 800:1 |
6. stepping angle: | 3.6 1.8 0.9 0.45 degree |
7. step motor driving torque: | 30 u Nm; |
8.specifications(quantity of character wheel): | 5+1(five integers with one decimal); 6+1(six integers with one decimal); |
9. character wheel material | PC |
10.rotating direction of character wheel | clockwise rotation only |
11.lead length | 130 mm |
12. range of working ambient temperature: | -40~70 |
13. variable-speed gear material: | polyoxymethylene |
14. base frame material: | 1. aluminum alloy base frame: LF2-YZ; 2. plastic base frame: PC |
15. motor stator material: | ferronickel alloy |
16. shielding cover material: | low-carbon steel shielding cover |
17. error-free working period: | ≥one billion pulses |
18. installation dimension: | upper fitting hole space: 24.5×35mm; lower fitting hole space: 30.5×30.5mm |