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 |
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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 |
|
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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) |
||
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Communication |
Interface |
RS485 |
|
Protocol |
MODBUS-RTU |
Working Environment
|
Temperature |
Working |
-25℃~55℃ |
|
|
Storing |
-40℃~70℃ |
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Humidity |
≤95%(No condensation) |
|
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Altitude |
<2000m |
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