Type

WS74

Voltage

230V
Frequency

50Hz ± 2%
Current

10 (100) A
Accuracy

Active Cl 1.0
Reactive Cl 2.0
Communication Interface

Optical port, GPRS, RF
Starting Current

0.4%Ib
Meter Constant of LED

1000 imp/kWh, 1000 imp/kvarh
Temperature Range

Typical operation: From -25°C to +70°C
Storage: From -40°C to +80°C

Typical Power Consumption

Voltage circuit apparent power at Un: Less than 2W/10VA
Current circuit apparent power at Ib: Less than 2.5VA

LCD Lifetime

More than 15 years
Battery

Replaceable, with more than 15 years' life time
RTC Accuracy

Less than ± 0.5 sec/day at 23 °C;

The variation of accuracy with temperature is less than 0.15s/°C/day

Weight of Meter

Approximately 0.8kg
Dimension

246.1mm (L) × 129.5mm (W) × 68mm (H)