Fluke 434 - Manual (Page 107)

Specifications
Electrical Measurements
21
21-5
Voltage Interrupts
Settings Adjustment Range Resolution Additional
Information
Interrupt Threshold level 0.0 ... 50.0 % of Vnom 0.1 %
Interrupt Hysteresis level 0.0 ... 10.0 % of Vnom 0.1 %
results based on ½ cycle
rms
Measurements Measurement Range Resolution Accuracy
Interrupt Magnitude 0.0 % ... 100.0 % of
Vnom 0.1 % ± 1 % of Vnom
Interrupt Duration hhh:mm:ss:mmm 10 ms ± 20 ms (at F= 50 Hz)
Voltage Unbalance
Measurements Measurement Range Resolution Accuracy
Negative Unbalance
Ratio 0.0 ... 5.0 % 0.1 % ± 0.5 %
Zero Unbalance Ratio 0.0 ... 5.0 % 0.1 % ± 0.5 %
Rapid Voltage Changes
Settings Adjustment Range Resolution Additional
Information
Steady Voltage
Tolerance 0.0 ... 10.0 % of Vnom 0.1 %
Minimum Steady Time 0.0 ... 10.0 s 0.1 s
Minimum Voltage
Difference 0.0 ... 10.0 % of Vnom 0.1 %
Minimum Rate of
Change 0.0 ... 10.0 %/s of Vnom 0.1 %/s
results based on ½ cycle
rms
Measurements Measurement Range Resolution Accuracy
Steady Voltage
Difference 0.0 ... 100.0 % of Vnom 0.1 % ± 1 % of Vnom
Transient Voltages
Settings Range Additional Information
Transient Capture
Threshold 0 ... 999 % of Vnom Percentual deviation from the repetitive waveform