Features
- The measured power frequency equivalence is good
- Strong resistance to ground voltage interference.
- Built in ion battery
- Can also be used in situations without AC power supply
- Can measure on-site interference, making it convenient for users
- Easy to operate. Full Chinese menu operation
- Low wiring labor and no need for high current wires
- Can save on-site test data (shutdown data does not disappear)
- This instrument is small in size, light in weight, and easy to carry
Technical Specifications
| Range | 100 Ω, 200 Ω, 400 Ω, 1 kΩ, 2 kΩ (optional) |
| Measurement error | Soil (± 1 % reading + 0.01) Ω |
| Test current waveform | sine wave |
| Test current frequency | 45 Hz, 55 Hz |
| Test current | 10 mA, 20 mA, 50 mA, 100 mA, 200 mA selectable |
| Maximum output voltage | 50 V |
| AC charging power supply | AC 220 V ± 10 %, 50 Hz |
| Internal battery | lithium-ion battery (11.1 V, 2.5 AH) |
| Usage temperature | 14 °F to 104 °F (-10 ℃ to 40 ℃) |
| Usage humidity | < 90 % |
| Size | 9.4 in x 8.6 in x 7.4 in (240 mm x 220 mm x 190 mm) |
| Weight | 6.6 lb (3 kg) |
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