Dec
30
2009
By dyinstrument

Features
- 4-terminal earth resistance measurement up to 209.9k ohms with resolution 0.001 ohm
- Soil resistivity measurement 0.3 to 1999KΩ.m
- Interference voltage measurement 0~50V AC rms
- Advance filtering method based on FFT (fast fourier transform) reduces noise interference
- Rich test results displayed include resistance of earth spikes, frequency of test current, detected voltage and frequency of interference, residual resistance Rk, etc.
- Auto/manual frequencies optional(94/105/111/128Hz)
- Compensation for residual resistance Rk
- Data memory 1000 sets
- Conforms to CATIV 150V, CATIII 300V
Resources
[Datasheet] DY4300B Digital 4-Terminal Earth Resistance and Soil Resistivity Tester