| Fault loop impedance |
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| Fault loop ZL-PE, ZL-N, ZL-L |
0.13 Ω…1999.9 Ω acc. to IEC 61557 |
0.00 Ω…1999 Ω |
from 0.001 Ω |
±(5% m.v. + 30 digits) |
| 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 |
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| RCD tripping test and measurement of tripping time tA measuring current 0.5 IΔn, 1 IΔn, 2 IΔn, 5 IΔn |
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| general and short-time delay RCD |
0 ms…300 ms |
0 ms…300 ms |
1 ms |
from ±(2% m.v. + 2 digits) |
| selective RCD |
0 ms…500 ms |
0 ms…500 ms |
1 ms |
from ±(2% m.v. + 2 digits) |
| Measurement of RCD tripping current IA measuring current 0 0.2 IΔn…2.0 IΔn |
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| 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 |
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| 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 |
from ±(2% 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 Ω m…99.9 kΩm |
0.0 Ωm…99.9 kΩm |
from 0.1 Ωm |
Depending on accuracy of RE measurement |
| Insulation resistance |
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| 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…4.99 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 |
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| 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 |
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| 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 |
in the same direction (correct), opposite direction (incorrect), UL-L voltage: 95 V…500 V (45 Hz…65 Hz) |
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