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**Technical details**

Measurement functions | Measurement range | Display range | Resolution | Accuracy |
---|---|---|---|---|

Fault loop impedance | ||||

Fault loop Z_{L-PE}, Z_{L-N}, Z_{L-L} | 0.13 Ω ... 1999.9 Ω acc. to IEC 61557 | 0,00 Ω ... 1999 Ω | from 0.001 Ω | from ±(5% m.v. + 0.03 Ω) |

Fault loop Z_{L-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 t_{A}measuring current 0.5 I_{Δn}, 1 I_{Δn}, 2 I_{Δn}, 5 I_{Δn} | ||||

general and short-time delay RCD | ||||

TN / TT mains | 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 I_{A}measuring current 0.2 I_{Δn} ... 2.0 I_{Δn} | ||||

for sinusoidal residual current (AC type) | 3.3 mA ... 1000 mA | 3.3 mA ... 1000 mA | from 0.1 mA | ±5% I_{Δn} |

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% I_{Δn} |

for direct residual current (type B) | 2.0 mA ... 1000 mA | 2.0 mA ... 1000 mA | from 0.1 mA | ±10% I_{Δn} |

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 R_{E}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 | in the same direction (correct), opposite direction (incorrect), U_{L-L}voltage: 95 V ... 500 V (45 Hz ... 65 Hz) |

**1-phase power quality recorder**The device is designed to work with mains:

- with nominal frequency 50/60 Hz
- with nominal voltage: 110/190 V, 115/200 V, 127/220 V, 220/380 V, 230/400 V, 240/415 V

- single-phase

Parameter | Measuring range | Max. resolution | Accuracy |
---|---|---|---|

Alternating voltage (TRMS) | 0.0 ... 500 V | 0.1 V | from ±(2% m.v. + 2 digits) |

Alternating current (TRMS) | depending on clamp* | 0.1 mA | from ±(5% m.v. + 3 digits) (error does not account for clamp error) |

Frequency | 45.0 ... 65.0 Hz | 0.1 Hz | ±(0.1% m.v. + 1 digit) |

Active, reactive, apparent and distortion power | 0 VA ... 1.5 MVA, 0 W ... 1.5 MW, 0 var ... 1.5 Mvar | 1 VA, 1 W, 1 var | from ±(7% m.v. + 3 digits) |

cosφ and power factor (PF) | 0.00 ... 1.00 | 0.01 | unspecified |

Harmonics | |||

Voltage | 0.0 ... 500 V | 0.1 V | from ±(5% m.v. + 3 digits) |

Current | depending on clamp* | as for alternating current True RMS | from ±(5% m.v. + 3 digits) (error does not account for clamp error) |

THD | |||

Voltage | 0.0 ... 999.9% (in relation to the first harmonic) | 0.1% | ±5% |

Current | 0.0 ... 999.9% (in relation to the first harmonic) | 0.1% | ±5% (error does not account for clamp error) |

- F-1A, F-2A, F-3A clamp : 0 ... 3000 A AC (10 000 A
_{p-p}) - C-3 clamp: 0 ... 1000 A AC (3600 A
_{p-p}) - C-6A clamp: 0..10 A AC (36 A
_{p-p})

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