| Output AC Detection Current |
0 mA to 40 ± 2 mA |
| Output AC Detection Voltage |
0 kV to 3kV |
| Output DC Grounding Impedance Current |
0 mA to 36 ± 2 mA |
| Output DC Grounding Impedance Voltage |
0 V to 2.7 kV |
| Accuracy of Grounding Impedance Current |
± 1.0 mA |
| Output Accuracy of AC Detection Signal |
± 1.0 mA |
| Detect Line Length |
≤ 62.31 mi (≤ 100 km) |
| Grounding Impedance Measurement |
0 kohm to 120 kohm |
| Measurement Accuracy of Grounding Impedance |
Reading 5 % ± 2 kohm |
| Open Circuit Protection Time of Signal Circuit |
≤ 2 S |
| Protection Time of Signal Output Circuit Integrity Detection |
≤ 2 S |
| Detection Signal Fluctuation Alarm Threshold |
± 2 mA |
| Open Circuit Identification Current Threshold |
≤ 2 mA |
| Low Power Alarm |
24.5 V |
| Undervoltage Power-off |
23 V |
| No Operation Automatic Power-off Time |
0.5 Min to 10 Min |
| Rated Operating Voltage |
25.9 V DC |
| Operating Voltage Range |
23 V to 29.4 V |
| Battery Capacity |
29.4 V or 9 AH |
| LCD Size |
2.44 in x 1.73 in (62 mm × 44 mm) |
| Measuring Range |
0.1 mA to 1200 A（50 Hz） |
| Sampling Frequency |
0.1 mA to 200 mA（22 Hz） |
| Resolving Power |
2 s |
| Test Accuracy |
0.1 mA |
| Operating Temperature |
41 ℉ to 104 ℉ (5 ℃ to 40 ℃) |
| Storage Temperature |
14 ℉ to 104 ℉ (-10 ℃ to 40 ℃) |
| Storage Humidity |
< 80% Rh |
| Size |
18.30 in x 13.58 in x 7.28 in (465 mm x 345 mm x 185 mm) |
| Weight |
21.34 lb (9.65 kg) |
