Máy đo điện trở đất HV Hipot GDCR3000B
Basic error and performance under standard condition
Remark: 1. additional error: ≤±3%rdg±5dgt under rC max or rP max. (rC max: 4kΩ+100R＜50kΩ, rP max: 4kΩ+100R＜50kΩ)
2. additional error: ≤±5%rdg±5dgt under 5V interference voltage
| Items |
Measurement range |
Accuracy |
Resolution |
| Earth resistance(R) |
0.00Ω～30.00Ω |
±2%rdg±3dgt |
0.01Ω |
| 30.0Ω～300.0Ω |
±2%rdg±3dgt |
0.1Ω |
| 300Ω～3000Ω |
±2%rdg±3dgt |
1Ω |
| 3.00kΩ～30.00kΩ |
±4%rdg±3dgt |
10Ω |
Soil resistivity(ρ)
|
0.00Ωm～99.99Ωm |
According to accuracy of R(ρ=2πaR
a:1 m-100m；
π=3.14) |
0.01Ωm |
| 100.0Ωm～999.9Ωm |
0.1Ωm |
| 1000Ωm～9999Ωm |
1Ωm |
| 10.00kΩm～99.99kΩm |
10Ωm |
| 100.0kΩm～999.9kΩm |
100Ωm |
| 1000kΩm～9000kΩm |
1kΩm |
| Earth voltage |
AC 0.0～600V |
±2%rdg±3dgt |
0.1V |