The HZGDY-II power frequency overvoltage test device is a specialized capacitor noise detection instrument engineered for industrial applications. It delivers superior performance, safe and reliable operation, and high mobility for both field and laboratory testing environments.

| Parameter | Value |
|---|---|
| Input Voltage | AC 380V |
| Output Voltage | AC 0–650V |
| Current | 0–10A |
| Protection | Overcurrent, overvoltage |
| Display | Three-phase voltage, three-phase current |