
7
3Technical parameters
3.1 Electrical Characteristics
Table 2 ADW3 1 0 electrical characteristics
Voltage input
Rated voltage
220V
reference
frequency
50Hz
Power
consumption
<0.5VA per phase
Current input
Input Current
AC 20(100)A
Starting
current
1‰Ib (grade 0.5S), 4‰Ib (grade 1)
Power
consumption
<1VA per phase
Auxiliary power
Supply voltage AC 85~265V
Power
consumption
< 2W
Measuring
performance
Standards
compliant
GB/ T17215.322-200 8 , GB / T17215.321-200 8
Active energy
accuracy
Level 1
temperature
accuracy
±2
℃
pulse
Pulse Width
80±20ms
Pulse constant 1600 imp/kWh
communication
wireless
470MHz wireless transmission, transmission distance in open space:
1km; 4G
interface
RS485 (A, B)
medium
shielded twisted pair
protocol
MODBUS-RTU, DL/T 645-07
3.2 Environmental conditions
Table 3 ADW3 1 0 Environmental Conditions
temperature
range
Operating
temperature
-2 5
℃
~ 55
℃
storage
temperature
- 40
℃
~ 70
℃
humidity
≤95% (no condensation)
altitude
<2000m