Specificatii tehnice
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| Measurement functions |
Measurement range | Display range | Resolution |
Accuracy ±(% m.v. + digits) |
| Fault loop impedance | ||||
| Fault loop ZL-PE, ZL-N, ZL-L | 0.13 Ω…1999.9 Ω acc. to IEC 61557 |
0.000 Ω…1999.9 Ω | from 0.001 Ω | from ±(5% m.v. + 0.03 Ω) |
| Fault loop ZL-PE in RCD mode | from 0.50 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 tA measuring 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) |
|
0 ms…400 ms | 0 ms…400 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 IA measuring current 0.2 IΔn…2.0 IΔn | ||||
| for sinusoidal residual current (AC type) | 3.3 mA…1000 mA | 3.3 mA…1000 mA | from 0.1 mA | ±5% IΔn |
| for unidirectional residual current and unidirectional with the 6 mA DC bias (type A) |
3.5 mA…700 mA |
3.5 mA…700 mA |
from 0.1 mA |
±10% IΔn |
| for direct residual current (type B) | 2.0 mA…1000 mA | 2.0 mA…1000 mA | from 0.1 mA | ±10% IΔn |
| Earth resistance | ||||
| 3- and 4-pole method | from 0.50 Ω…1.99 kΩ acc. to IEC 61557-5 |
0.00 Ω…1.99 kΩ | from 0.01 Ω | from ±(2% m.v. + 3 digits) |
| 3-pole + clamp method | 0.00 Ω…1.99 kΩ | 0.00 Ω…1.99 kΩ | from 0.01 Ω | ±(8% m.v. + 4 digits) |
| 2-clamp method | 0.00 Ω…99.9 kΩ | 0.00 Ω…99.9 kΩ | from 0.01 Ω | from ±(10% m.v. + 4 digits) |
| Resistance-to-earth | 0.0 Ωm…99.9 kΩm | 0.0 Ωm…99.9 kΩm | from 0.1 Ωm | Depending on accuracy of RE measurement |
| Insulation resistance | ||||
| Measuring voltage 50 V | 50 kΩ…250 MΩ acc. to IEC 61557-2 |
0 kΩ…250 MΩ | from 1 kΩ | from ±(3% m.v. + 8 digits) |
| Measuring voltage 100 V | 100 kΩ…500 MΩ acc. to IEC 61557-2 |
0 kΩ…500 MΩ | from 1 kΩ | from ±(3% m.v. + 8 digits) |
| Measuring voltage 250 V | 250 kΩ…999 MΩ acc. to IEC 61557-2 |
0 kΩ…999 MΩ | from 1 kΩ | from ±(3% m.v. + 8 digits) |
| Measuring voltage 500 V | 500 kΩ…2.00 GΩ acc. to IEC 61557-2 |
0 kΩ…2.00 GΩ | from 1 kΩ | from ±(3% m.v. + 8 digits) |
| Measuring voltage 1000 V | 1000 kΩ…9.99 GΩ acc. to IEC 61557-2 |
0 kΩ…9.99 GΩ | from 1 kΩ | from ±(3% 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 | ±(3% m.v. + 3 digits) |
| Light intensity | ||||
| Measurement in luxes (lx) | 0 lx…399.9 klx | 0 lx…399.9 klx | from 0.001 lx | from ±(2% m.v. + 5 digits) |
| Measurement in feet-candles (fc) | 0 fc…39.99 kfc | 0 fc…39.99 kfc | from 0.001 fc | from ±(2% m.v. + 5 digits) |
| Phase sequence indication “m.v.” - measured value |
in the same direction (correct), opposite direction (incorrect), UL-L voltage: 95 V…500 V (45 Hz…65 Hz) | |||
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