SPESIFIKASI
| Measurement functions | Measurement range | Display range | Resolution | Accuracy |
|---|---|---|---|---|
| Interference voltage | 0 V…100 V | 0 V…100 V | 1 V | ±(2% m.v. + 3 digits) |
| Connection and equipotential bonding resistance | 0.24 Ω…19.9 kΩ acc. to EN 61557-4 | 0.00 Ω…19.9 kΩ | from 0.01 Ω | from ±(2% m.v. + 2 digits) |
| Earth resistance | ||||
| 3-pole and 4-wire method | 0.30 Ω…19.9 kΩ acc. to EN 61557-5 | 0.00 Ω…19.9 kΩ | from 0.01 Ω | from ±(2% m.v. + 2 digits) |
| 3-pole + clamp method | 0.44 Ω…1999 Ω acc. to EN 61557-5 | 0.00 Ω…1999 Ω | from 0.01 Ω | ±(8% m.v. + 3 digits) |
| two-clamp method | 0.00 Ω…149.9 Ω | 0.00 Ω…149.9 Ω | from 0.01 Ω | from ±(10% m.v. + 3 digits) |
| auxiliary electrodes resistance | 0 Ω…19.9 kΩ | 0 Ω…19.9 kΩ | from 1 Ω | ±(5% (RE +RH+RS) + 8 digits), but ≥10% RE |
| Earth resistivity | 0.0 Ωm…999 kΩm | 0.0 Ωm…999 kΩm | from0.1 Ωm | Depends on the accuracy of the RE 4p measurement, but not less than ±1 digit |
“m.v.” – measured value
Heavy-duty earthing and soil resistivity meter
The Sonel MRU-120HD earth resistance and soil resistivity meter is a robust and functional device characterised by particular resistance to difficult working conditions. It is not afraid of dust or mud and performs excellently even in areas where there is an increased risk of splashing.
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