Smart Impulse Smart Analyzer, Installation Manual, Page: 13 / 16

www.smart-impulse.com Smarter Metering
7. Functional features
7.1. Reference conditions
Influence quantity Reference conditions
Room temperature 40°C
Humidity rate Relative humidity of 45 % to 75 %
Atmospheric pressure 860 to 1060 hPa
Neutral voltage value 230 V
RMS
±2 % dc-free
Input voltage of the current circuit 0 V
RMS
< I < 1 V
RMS
dc-free
Electrical network frequency 50 ± 0,5 Hz
Phase shifting V / I 0 degree or 90 degrees
Harmonics < 0,1 %
7.2. Electrical features
Voltage inputs
- Operating range:

Phases - neutral: ≤ 253 V
RMS
- Input impedance: 52 kΩ between phase and neutral
- Tolerable overload: 275 V
RMS
in continuous by varistor
Current inputs
- Operating range: 0 – 1 V
- Input impedance: 100 Ω
- Tolerable overload: ± 15 V
Features of the device alone (without current sensors)
Influence quantity
Measuring range
Theoretical/ practical
Resolution
Error in the
reference range
Minimum Maximum
Voltage 0 V 715 V
dc
10 mV / 100 mV 0.1 %
Density
Values depending on
the used current
sensors
Typ. 16 kA
RMS
and 3.7 MVA max.
Typ. 1 A or less 0.1 % + sensor
Active powers Typ. 200 W or less 0.1 % + sensor
Reactive powers Typ. 200 VAR or less 0.1 % + sensor
Apparent powers Typ. 200 VA or less 0,1 % + sensor
Power factors 0 1 0.01 / 0.01 0.1 %