Technical Specifications
| Output signal frequency | 2.5 Hz |
| Signal no-load output voltage | ±20 V ±5% |
| Signal voltage amplitude error | <5% |
| Signal short circuit output current | ≤80 mA |
| Impact resistance of output port | 400 V dc impact |
| Power supply voltage | AC 220 V ±10% |
| Voltage frequency | 50 Hz ±5% |
| Input insurance | 200 mA |
| Maximum power | 3 W |
| Signal current detection sensitivity | 0.5 mA |
| Signal generator impedance | 40 KΩ |
| Maximum output current | 2.5 mA |
| Receiver displays | Digits 0 to 19 |
| Aclamp size | Φ 1.96 in (50 mm) |
| Bclamp size | Φ 0.27 in x 0.35 in (7 mm × 9mm) |
| Detection maximum ground resistance | 300 kΩ |
| Ground resistance measurement accuracy | 0 kΩ to 4.5 kΩ，error ≤0.5 kΩ 4.5 kΩ to 300 kΩ，error ≤10% |
| Weight (mainframe) | 8.73 lb (3.96 kg) |
| Weight | 6.17 lb (2.8 kg) |
