HT3001 soil resistivity grounding resistance tester, also called the soil resistivity tester, is a commonly used instrument for measuring commonly used grounding resistance meters.
II. Technical Specification
1.Range and Accuracy error
Measurement function
Measurement range
Accuracy
Resolution
Grounding resistance
(R)
0.00Ω~30.00Ω
±2%rdg±5dgt (remark 1)
0.01Ω
30.0Ω~300.0Ω
±2%rdg±3dgt
0.1Ω
300Ω~3000Ω
±2%rdg±3dgt
1Ω
3.00kΩ~30.00kΩ
±2%rdg±3dgt
10Ω
Soil resistivity
(ρ)
0.00Ωm~99.99Ωm
ρ=2πaR (remark 2)
0.01Ωm
100.0Ωm~999.9Ωm
0.1Ωm
1000Ωm~9999Ωm
1Ωm
10.00kΩm~99.99kΩm
10Ωm
100.0kΩm~999.9kΩm
100Ωm
1000kΩm~9999kΩm
1kΩm
Grounding voltage
AC 0.00~100.0V
±2%rdg±3dgt
0.01V
Remark:
1. Reference conditions: accuracy with Rh Rs < 100Ω.
Working conditions:Rh max=3kΩ+100R<50kΩ;Rs max=3kΩ+100R<50kΩ
2.Depends on the measurement accuracy of R,π=3.14, a:1 m~100m
2.General specification
Function
Two three four-wire measure grounding resistance, soil resistivity;