Specifications
Specifications of the Measured Value Acquisition
Phase-to-ground and Residual Voltage Measurement
Frequency Range:
50 Hz / 60 Hz ± 10%
Accuracy for measured values:
Class 0.5
Amplitude error for V<Vn:
±0.5% of rated voltage or ±0.5 V
Amplitude error for V>Vn:
±0.5% of measured voltage or ±0.5 V
Accuracy for calculated values:
Class 1.0
Amplitude error for V<Vn:
±1.0% of rated voltage or ±1.0 V
Amplitude error for V>Vn:
±1.0% of calculated voltage or ±1.0 V
Harmonics:
Up to 20% 3rd harmonic ±1%
Up to 20% 5th harmonic ±1%
Frequency influence:
<±2% / Hz in the range of ±5 Hz of the configured nominal frequency
Temperature influence:
<±1% within the range of 0°C up to +60°C
Frequency measurement
Nominal frequency:
50 Hz / 60 Hz
Precision:
±0.05% of fn within the range of 40-70 Hz at voltages >50 V
Voltage dependency:
frequency acquisition of 5 V – 800 V
651
MRU4
DOK-HB-MRU4-2E
