Single-Phase Watt Hour Meter
Advantages:
Advantages:
Use large-scale integrated circuit
High reliability step motor
Measure both positive and negative directions and accumulates in one direction.
Test signal isolated by phototransistor
Anti-fraud
Flash indicating light when operating
Easy use
Technical index:
|
Rated current (A)
|
Rated voltage (V)
|
Rated frequency (HZ)
|
Accuracy
|
initial starting current
|
current overload ratio
|
consumption of meter itself
|
MTBF
|
Weight
|
|
1.5(6) 2.5(10) 5(20) 10(40) 15(60) 20(80) 30(100)
|
220
|
50
|
1.0/2.0
|
< ±0.4% Ib
|
> 4
|
< 1W
|
> 100,000 hours
|
< 0.6 Kg
|