HZZDB-30 Damped Oscillating Wave Test System
The HZZDB-30 is a professional-grade diagnostic system designed for high-voltage cable testing. Engineered for precision and safety, this system provides comprehensive partial discharge and dielectric loss measurement capabilities to ensure infrastructure integrity.
- Resists high heat, humidity, and salt spray for tropical island use
- Runs stably at −40°C, cold-proof and anti-condensation
- IEC compliant, with complete calibration certificates provided
- Local support: spares, on-site training, and instrument calibration

Safety & Operational Guidelines
- High Voltage Awareness: System components carry high voltage; avoid contact during operation.
- Site Security: Establish clear warning signs and restricted zones; ensure only authorized personnel are present.
- Safety Control: The damping oscillation wave unit must be connected to an external safety control unit.
- Post-Test Protocol: Discharge and ground all equipment and cables thoroughly before entering the test area.
Technical Specifications
| Parameter |
Specification |
| Power Supply |
220VAC ±10%, 50Hz |
| Max Output Voltage |
30kV |
| Oscillation Frequency |
20Hz – 300Hz |
| Cable Length Range |
200m – 20km |
| Charging Current |
5mA |
| Switch Type |
Laser-triggered |
| PD Measurement Range |
1pC – 100nC |
| PD Sampling Rate |
100MHz |
| Dielectric Loss Range |
0.1% – 10% |
| Control Mode |
Wireless Control |