Sonel WMUSMPI507 MPI-507 Multi-function Meter
- Part #:WMUSMPI507
- Condition:Brand New
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Technical details
"m.v." - measured value
| Measurement functions | Measurement range | Display range | Resolution | Accuracy |
|---|---|---|---|---|
| Fault loop impedance | ||||
| Fault loop ZL-PE, ZL-N, ZL-L | 0.13 Ω ... 1999 Ω acc. to IEC 61557 | 0.00 Ω ... 1999 Ω | from 0.01 Ω | ±(5% m.v. + 3 digits) |
| Fault loop ZL-PEin RCD mode | from 0.5 Ω ... 1999 Ω acc. to IEC 61557 | 0.00 Ω ... 1999 Ω | from 0.01 Ω | from ±(6% m.v. + 5 digits) |
| Measurements of RCD parameters | ||||
| RCD tripping test and measurement of tripping time tAmeasuring current 0,5 IΔn, 1 IΔn, 2 IΔn, 5 IΔn | ||||
| general and short-time delay RCD | 0 ms ... 300 ms | 0 ms ... 300 ms | 1 ms | ±(2% m.v. + 2 digits) |
| selective RCD | 0 ms ... 500 ms | 0 ms ... 500 ms | 1 ms | ±(2% m.v. + 2 digits) |
| Measurement of RCD tripping current IAmeasuring current 0,3 IΔn ... 2,0 IΔn | ||||
| for sinusoidal residual current (AC type) | 3.0 mA ... 500 mA | 3.0 mA ... 500 mA | from 0.1 mA | ±5% IΔn |
| for unidirectional residual current and unidirectional with the 6 mA DC bias (type A) | 3.5 mA ... 420 mA | 3.5 mA ... 420 mA | from 0.1 mA | ±10% IΔn |
| Earth resistance | ||||
| 3-pole method | 0.68 Ω ... 1999 Ω acc. to IEC 61557-5 | 0.00 Ω ... 1999 Ω | from 0.01 Ω | from ±(3% m.v. + 5 digits) |
| Insulation resistance | ||||
| Measuring voltage 100 V | 100 kΩ ... 99.9 MΩ acc. to IEC 61557-2 | 0 kΩ ... 99.9 MΩ | from 1 kΩ | ±(5% m.v. + 8 digits) |
| Measuring voltage 250 V | 250 kΩ ... 199.9 MΩ acc. to IEC 61557-2 | 0 kΩ ... 199.9 MΩ | from 1 kΩ | ±(5% m.v. + 8 digits) |
| Measuring voltage 500 V | 500 kΩ ... 599.9 MΩ acc. to IEC 61557-2 | 0 kΩ ... 599.9 MΩ | from 1 kΩ | ±(5% m.v. + 8 digits) |
| Resistance of protective conductors and equipotential bondings | ||||
| Measurement of resistance of protective conductors and equipotential bondings with ±200 mA current | 0.12 Ω ... 400 Ω acc. to IEC 61557-4 | 0.00 Ω ... 400 Ω | from 0.01 Ω | ±(2% m.v. + 3 digits) |
| Measurement of resistance with low current | 0.0 Ω ... 1999 Ω | 0.0 Ω ... 1999 Ω | from 0.1 Ω | ±(2% m.v. + 3 digits) |
| Phase sequence indication | in the same direction (correct), opposite direction (incorrect), UL-Lvoltage: 100 V ... 440 V (45 Hz ... 65 Hz) |
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