Wei Dian Union(Hubei) Technology Co.,Ltd.
PURSUING FOR PRECISION AND PERFECTION UNIFING THINKING AND AND BEHAIVOR
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Light Weigh Analog Panel Voltmeter , Squre Analog Current Meter Reasonable Structure
This WD series of meters is a direct imitation of power measurement display instruments, measuring DC current and voltage, AC current and voltage, frequency, power factor, phase sequence, power, synchronization instructions and other non-power measurements. It has been widely used in a variety of AC and DC transmission and distribution systems, power control panels and other electrical devices, in the industries of maritime shipping, rail transport, chemical flameproof, low voltage equipment, construction equipment, generators, machinery equipment, etc. Being able to make electrical measurement and non-power measurement, it is a high-end instrument applied in general environmental conditions.
| Item | Technical Data | Standards |
| Technical Standard | GB/T7676-1998 | IEC60092-50 |
| Environmental Standard | GB8355-1987 | IEC92-504-74 |
| Safety Standard | GB4793-20 | IEC61010 |
| Working Temperature | -40-65℃ | |
| Temperature Infulence | -13-33℃, 100% comply with accuracy class | |
| Indicating Angle | 240°-270º (Synchroscope meter: 360º) | |
| Color of Shell | Black/white,board frame, terminal plate: black | |
| Color of Dial Plate | Black/white(other colors are available) | |
| Mounting | Vertical Installation | |
| Dimension | 110*110mm, 80*80mm | |
| 96*96mm, 72*72mm, 48*48mm | ||
| Overshoot | Less than 20% when scale reaches to 2/3 | |
| Insulation Withstand | Circuit& shell: AC2600V/1 min(Water area) | |
| Vibration Resistance | 24.5m/s2 | |
| Impact Resistance | 147m/s2 | |
| Material | Shell/terminal board: ABS; Cover: Transparent Glass | |
The WD series of pointer meter: AC and DC voltmeter and ammeter to the level of 1.5 or 2.5, power meter to the level of 2.5, frequency meter to the level of 1.5, and power factor meter to the level of 2.5.
For the WD series of pointer meter, you can open the sealing, insert or outer the dial. As for the AC ammeter, as long as the secondary current of the transformer is the same, you can replace the dial with the accuracy unchanged. As for the DC ammeter, as long as the shunt output signal or the meter input signal is the same, you can replace the dial even if the meter is of different specifications, with the accuracy unchanged.