Specification
12
3.4 GENERATOR VOLTAGE / FREQUENCY SENSING
Measurement type True RMS conversion
Sample Rate 5 KHz or better
Harmonics Up to 10
or better
Input Impedance
300 K Ω ph-N
Phase to Neutral 15 V
(minimum required for sensing frequency
)
to 333 V AC
(absolute
maximum)
Suitable for 110 V to 277 V nominal
(±20 % for under/overvoltage detection)
Phase to Phase 26 V
(minimum required for sensing frequency
)
to 576 V AC
(absolute
maximum)
Suitable for 19 0 V ph-ph to 479 V ph-ph nominal
(±20 % for under/overvoltage detection)
Common mode offset from Earth 100 V AC (max)
Resolution 1V AC phase to neutral
2V AC phase to phase
Accuracy ±1 % of full scale phase to neutral
±2 % of full scale phase to phase
Minimum frequency 3.5 Hz
Maximum frequency 75.0 Hz
Frequency resolution 0.1 Hz
Frequency accuracy ±0.2 Hz