Rockwell Automation 1412-PP21xx PowerPad Portable Powermonitor - Manual (Page 73)

Rockwell Automation Publication 1412-UM001D-EN-P - September 2012 73
Appendix
B
Specifications
Reference Conditions
The uncertainties given for power and energy measurements are maximum for
Cos  = 1 or Sin  = 1 and are typical for the other phase shifts.
Electrical Specifications Sampling Frequency (256 samples per cycle):
• 12.8 kHz samples/sec per channel @ 50 Hz
• 15.36 kHz samples/sec per channel @ 60 Hz
• Memory Size: 4MB
Attribute Reference Conditions
Ambient temperature 23 °C ± 3 °C (73 °F ± 5 °F)
Humidity 45%
Atmospheric pressure 25.4" Hg … 31.3" Hg (860 … 1060 hPa)
Phase voltage 230V rms and 110V rms ±2% without dc
Clamp current circuit input voltage 0.03V to 1V rms without DC (< 0.5%)
AMPFLEX current circuit input voltage 11.8mV … 118mVrms without DC (< 0.5%)
Frequency of electricity network 50 and 60 Hz ± 0.1 Hz
V/I phase shift 0° active power / 90° reactive power
Harmonics < 0.1 %
TIP The symbol U will be used throughout this manual and in the instrument to
refer to phase-to-phase voltage measurement.
The symbol V will be used for phase-to-neutral voltage measurement.