The HZ-3000 vacuum degree tester features a compact structure, a lightweight and small form factor, shorter testing time, higher measurement reliability, stability and accuracy, and more complete functions. It can quantitatively measure the vacuum degree in the arc extinguishing chamber of various types of vacuum switches without the need to disassemble the switch during on-site measurement.

| Parameter | Value |
|---|---|
| Power supply | AC220V+15%, 50Hz |
| Measuring range | 10−5 to 10−1 Pa |
| Electric field voltage | 20KV |
| Magnetic field voltage | 1800V |
| Instrument accuracy | 5% |
| Operating environment | −10°C to 40°C |
| External dimensions | 460mm × 335mm × 330mm |
| Main unit weight | 12kg |