
Specification
10
3.4 GENERATOR VOLTAGE / FREQUENCY SENSING
Measurement type
True RMS conversion
Sample Rate
5KHz or better
Harmonics
Up to 10
th
or better
Input Impedance
300K
Ω
ph-N
Phase to Neutral
15V
(minimum required for sensing frequency
)
to 333V AC
(absolute maximum)
Suitable for 110V to 277V nominal
(±20% for under/overvoltage detection)
Phase to Phase
26V
(minimum required for sensing frequency
)
to 576V AC
(absolute maximum)
Suitable for 190V ph-ph to 479V ph-ph nominal
(±20% for under/overvoltage detection)
Common mode offset from
Earth
100V 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
3.5Hz
Maximum frequency
75.0Hz
Frequency resolution
0.1Hz
Frequency accuracy
±0.2Hz