The HZZ-5kV Insulation Resistance Tester is an industrial-grade diagnostic tool featuring a 5-inch high-resolution color LCD screen (800×480). Engineered for precision and reliability, it offers versatile voltage ranges and advanced testing capabilities for demanding electrical environments.

| Resistance Range | Resolution |
|---|---|
| 0~9.99kΩ | 0.01kΩ |
| 10.0~99.9kΩ | 0.1kΩ |
| 100~999kΩ | 1kΩ |
| 1.00~9.99MΩ | 10kΩ |
| 10.0~99.9MΩ | 100kΩ |
| 100~999MΩ | 1MΩ |
| 1.00~9.99GΩ | 10MΩ |
| 10.0~99.9GΩ | 100MΩ |
| 100~999GΩ | 1GΩ |
| 1.00~2.00TΩ | 10GΩ |