3.1 Reference Conditions
Parameter
Ambient temperature
Humidity
Atmospheric pressure
Phase-to-earth voltage
Clamp current circuit input voltage
AmpFlex
current circuit input voltage
®
Network frequency
Phase shift
Harmonics
Balanced three-phase connection
*All specifications are subject to change without notice.
3.2 Electrical Specifications
3.2.1
Voltage Inputs
Switch Positions:
Operating Range:
Phase-Phase - 0 to 660Vrms AC/DC*
Phase-Neutral - 0 to 600Vrms AC/DC
*Provided that the max with 600Vrms in regards to earth is not exceeded.
Input Impedance: 451kΩ
Overload:
1.2Vn permanently; 2Vn for 1 sec (Vn = nominal voltage)
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CHAPTER 3
SPECIFICATIONS
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Reference Conditions
73° ± 5°F (23° ± 3°C)
45 to 75%
25.4" Hg to 31.3" Hg (860 to 1060 hPa)
50 to 600Vrms without DC (< 0.5%)
30mVrms to 1Vrms without DC (<0.5%)
11.8 to 118mVrms without DC (<0.5%)
50 and 60Hz ± 0.1Hz
0° active power / 90° reactive power
<0.1%
Deactivated (OFF)
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Power Quality Analyzer Model 8220