Features
Function
Diverse Electricity Parameters Measurement
● Harmonic (2~31st voltage¤t)---Optional
● F (Frequency) ● U (3-phase Voltage) ● I (3-phase Current)
● kWh (3-phase positive Kilowatt-hours)
● kVarh (Kilovar-hours) ● P (Power) ● Q (Reactive power)
● S (Apparent power) ● PF (Power factor)
Function
Measurement of kWh |
kWh (positive and negative) |
kvarh (positive and negative) |
|
A, B, C phase positive kWh |
|
Measurement of electrical parameters |
U、I、P、Q、S、PF、Hz |
Measurement of harmonic (optional) |
2~31ST Voltage and current harmonic |
LCD Display |
8 digits |
Key |
4 keys |
LED alarm |
voltage loss and over voltage |
Switch I/O (optional) |
Active switch input |
Switch output |
|
Data (optional) |
Maximum demanded kWh and time happened |
Frozen data on last 48 months, last 90days |
|
Date, time |
|
Communication |
Infrared |
RS485, MODBUS-RTU (optional) |
|
Temperature measurement (optional) |
Support 3 outlay NTC temperature |
Electric performance
Voltage |
Nominal voltage |
3×100V、 3×380V、 3×57.7/100V、 3×220/380V |
Consumption |
<10VA(Single phase) |
|
Impedance |
>2MΩ |
|
Accuracy |
±0.2% |
|
Current |
Accuracy |
±0.2% |
Maximum current |
80A,6A |
|
Consumption |
<1VA |
|
Frequency |
range |
45~65Hz |
accuracy |
±0.2% |
|
Energy accuracy |
Active energy |
Class 0.5s |
reactive energy |
Class 2 |
|
Clock |
accuracy |
≤0.5s/d |
Active Pulse
|
Width |
80±20ms |
constant |
6400imp/kWh,400imp/kWh |
|
(Correspond with the basic current) |
||
Communication |
Interface |
RS485 |
Protocol |
MODBUS-RTU |
Working Environment
Temperature |
Working |
-25℃~55℃ |
|
Storing |
-40℃~70℃ |
Humidity |
≤95%(No condensation) |
|
Altitude |
<2000m |