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Description
Category: Ground Resistance Tester
Product Name: MRU-21 Earth Resistance Meter
Brand: SONEL
Packing Condition: Packed
Additional information
| Weight | 1.4 kg |
|---|---|
| CATEGORY | |
| RANGE | 1.99 kΩ |
| VOLTAGE | 100 V |
| RESISTANCE | 1.99 kΩ |
| MODEL | MRU-21 |
| BRAND |
Specification
| 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 | 0.13 Ω…199 Ω acc. to EN 61557-4 | 0.00 Ω…199 Ω | from 0.01 Ω | ±(2% m.v. + 3 digits) |
| Earth resistance | ||||
| 2-wire method | 0.00 Ω…1.99 kΩ | 0.00 Ω…1.99 kΩ | from 0.01 Ω | from ±(2% m.v. + 3 digits) |
| 3-wire method | 0.50 Ω…1.99 kΩ acc. to EN 61557-5 | 0.00 Ω…1.99 kΩ | from 0.01 Ω | ±(2% m.v. + 3 digits) |
| auxiliary electrodes resistance | 0 Ω…50.0 kΩ | 0 Ω…50.0 kΩ | from 1 Ω | ±(5% (RE +RH+RS) + 3 digits) |
“m.v.” – measured value
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