|
Technical parameter
|
Index value
|
|
Accuracy of
measurement
|
Current / voltage
|
±0.5% FS
|
|
Active/reactive/apparent power
|
±0.5% FS
|
|
Frequency
|
±0.1Hz
|
|
Power factor
|
±0.01PF
|
|
Active energy
|
Grade 1.0
|
|
Reactive energy
|
Grade 2.0
|
|
Power supply
|
Range
|
AC/DC 85~264V
|
|
Power consumption
|
< 5VA
|
|
Input
|
Network
|
3P3W, 3P4W
|
|
Voltage
|
Rated voltage
|
AC 57.7V, 100V, 220V, 380V
|
|
Overload
|
Continuous: 1.2 times (if exceed, display HHHH), instantaneous: 2 times/1s
|
|
Power consumption
|
<1VA (each phase)
|
|
Impedance
|
>1kΩ/V
|
|
Current
|
Rated current
|
AC 1A ,5A
|
|
Overload
|
Continuous: 1.2 times (if exceed, display HHHH), instantaneous: 10 times/5s
|
|
Impedance
|
<20mW (each phase)
|
|
Frequency range
|
45 ~ 65Hz
|
|
Output
|
Energypulse
|
Output mode
|
1-channel collector open coupling pulse output
|
|
Pulse constant
|
3200imp/kWh
|
|
RS-485
Communication
|
Agreement
|
MODBUS_RTU
|
|
Baud ratio
|
1200, 2400, 4800, 9600, 19200
|
|
Analog
quantity
|
Channel number
|
1-channel or 3-channel (some types can support 4-channel)
|
|
Output mode
|
0~20mA, 4~20mA ,can be programmable
|
|
Load capacity
|
≤500Ω
|
|
Switching
value
|
Channel number
|
1-channel or 3-channel (some types can support 4-channel)
|
|
Output method
|
The upper and lower limits use the same relay (No contacts) to output
|
|
Contact capacity
|
AC 240V/1A
|
|
Switching value input
|
1 or 3-channel (some types can support 4-channel) passive contact
|
|
Safety
|
Insulation resistance
|
Among the input, output, power supply and shell >20MΩ
|
|
Withstand voltage
|
Among the input, output and power supply ≥ 2kV 50Hz/1min
|
|
Environment
|
Temperature
|
Working: -10~55℃, storage: -25~70℃
|
|
Humidity
|
≤85%RH, places without condensation corrosive gas situation
|