The HZJB-II Single-Phase Relay Protection Tester incorporates the latest power supply technology for its internal AC and DC voltage and current sources. It represents an advanced level in circuit design, component selection, panel layout, and internal structure design. With complete functionality, high-quality materials, clear test data, and simple operation, it is the preferred equipment for power relay protection departments.

| Parameter | Specification |
|---|---|
| Working power supply | AC220V+10% 50Hz |
| Working environment | Temperature: −10°C to 40°C, Humidity: ≤85% |
| Atmospheric pressure | 86 to 106 Kpa |
| AC voltage | 0–220V / 3A |
| Alternating current | 0–100A / 7.5V, 0–20A / 25V, 0–5A / 5V |
| DC voltage | 0–220V / 3A |
| DC current | 0–20A / 25V |
| Fixed output | DC24V, DC48V, DC110V, DC220V |
| Ammeter and voltmeter | 4½ digits |
| Digital millisecond table | 0 to 99.9999 seconds |