Product features
Large diameter current clamp design, can measure the single point and mesh ground and other complex ground arbitrary grounding resistance value;
Precision 4-wire method, 3-wire method and simple 2-wire method, selection method, double-clamp method measurement;
Fast filtering technology, with excellent anti-interference ability and environmental adaptability, repeated test consistency, to ensure the accuracy of measurement, stability and reliability
Data storage function can be 500 groups of data storage;
Through the USB data cable uploaded to the PC disy analysis, output test report
Measuring function |
Measuring range |
Precision |
Resolution |
Measuring ground resistance (Re) by two - three - four wire method |
0.00Ω~29.99Ω |
±2%rdg±5dgt |
0.01Ω |
30.0Ω~299.9Ω |
±2%edg±3dgt |
0.1Ω |
|
300Ω~2999Ω |
1Ω |
||
3.00kΩ~30.00kΩ |
10Ω |
||
Direct current resistance (R 1) |
0.00Ω~299.9Ω |
±2%edg±3dgt |
0.1Ω |
300Ω~2999Ω |
1Ω |
||
3.00kΩ~30.00kΩ |
10Ω |
||
Ground resistance (Re) is measured by selective method |
0.00Ω~29.99Ω |
±2%rdg±5dgt |
0.01Ω |
30.0Ω~299.9Ω |
±2%edg±3dgt |
0.1Ω |
|
300Ω~3000Ω |
1Ω |
||
Ground resistance (Re) measurement by double - clamp method |
0.01Ω~0.99Ω |
±10%rdg±10dgt |
0.01Ω |
1.0Ω~9.9Ω |
0.1Ω |
||
10Ω~100Ω |
1Ω |
||
Soil resistivity (ρ) |
0.00Ωm~99.99Ωm |
ρ=2πaR |
0.01Ωm |
100.0Ωm~999.9Ωm |
0.1Ωm |
||
1000Ωm~9999Ωm |
1Ωm |
||
10.00kΩm~99.99kΩm |
10Ωm |
||
100.0kΩm~999.9kΩm |
100Ωm |
||
1000kΩm~9999kΩm |
1kΩm |
||
Ground voltage |
0.00~100.0V |
±2%rdg±3dgt |
0.01V |
Ac current |
0.0mA~1000A |
±2%rdg±3dgt |
0.1mA |
Basic function |
|||
Measurement mode |
Precision 4 - wire, three - wire method, simple two - wire, choice method, double - clamp method to measure grounding resistance |
||
Disy mode |
4 - digit LCD disy |
||
Data storage |
500 groups |
||
Data transmission |
USB transfer |
||
Measure the time |
2 times per second |
||
Overload disy |
√ |
||
Overload protection |
√ |
||
Alarm function |
√ |
||
Automatic shutdown |
√ |
||
Low pressure warning |
√ |
||
Backlight function |
√ |
||
Power supply |
DC6V4.5ah lead-acid battery in continuous standby for more than 100 hours |
||
Safety level |
CATIII300V |