Socket Type Residential Electric Meters Bi - Directional LCD Display Prepayment Meters
1) ANSI standard compliant
2) Demand metering functions
3) Time-of-use (TOU) based rate structures
4) Non-volatile memory
5) Bi-directional active energy measurement
6) Optical infrared port
Specifications
|
Electrical parameters |
|
|---|---|
|
Voltage |
|
|
Nominal voltage Un |
240V/120V |
|
Extended operating voltage range |
80%~115%Un |
|
Limited voltage |
70%~120%Un |
|
Frequency |
|
|
Nominal frequency fn |
60Hz |
|
tolerance |
5% |
|
Current |
|
|
Test ampere(TA) |
15A/30A |
|
Current class(CL) |
100A/200A |
|
Starting current(Ist) |
30mA |
|
Active energy constant |
Kh2.0 |
|
Measurement Accuracy |
|
|
Active energy |
Class0.5 |
|
Power Consumption |
|
|
Power consumption in Voltage circuit |
<0.8W <4VA |
|
Power consumption in current circuit |
<1VA |
|
Temperature range |
|
|
Operation meter |
25 to+70 |
|
Storage |
40 to+85 |
|
|
|
|
Insulation strength |
|
|
Impulse voltage 1.2/50 μs mains connections |
8kV |
|
|
|
|
Electro Magnetic Compatibility |
|
|
Electrostatic discharges |
|
|
Contact discharge |
8kV |
|
Air discharge |
16kV |
|
Electromagnetic RFfields |
|
|
27MHz to 500MHz typical |
10V/m |
|
100kHz to 1GHz typical |
30V/m |
|
Fast transient burst test |
4kV |
|
|
|
|
Mechanical requirements |
|
|
Meter shell Protection Rate |
IP54 |
|
Protection |
classII |
