This product series includes both moving-coil (magnetoelectric) and moving-iron (electromagnetic) type instruments. They are designed for installation on display panels and large switchboards in various control and power distribution systems. These instruments are used to indicate a wide range of electrical parameters, including AC/DC current, voltage, power factor, active and reactive power, synchronization values, frequency, expanded voltage, and overload current.
The performance and reliability of the products comply with the GB 7676-98 standard for analog electrical measuring instruments, ensuring stable operation and long service life in industrial and railway applications.
Item | Specification |
Accuracy Class | Class 1.5 / Class 2.5 |
Operating Conditions | -20°C to +50°C; Relative humidity ≤ 85% |
Voltage Influence | When the supply frequency changes by ±15% from the rated value, the indication |
Mechanical Performance | Withstands acceleration of 30 m/s², impact frequency of 80–120 times/min, |
Mounting Position | Vertical use only |
