3.10 it has timing control function , it can set value from APP
3.11 it can reset the active energy to zero from APP
4.Working principles
Single phase voltage and current are sampled from respective sampling circuit and
transformed into suitable signal, which is carried into integrated circuit , then the meter output
pulse signal in positive appropriation to measured power to drive step-motor counter or LCD
counter to realize energy measurement. The meter has energy pulse output for testing with pulse
width of 80+20ms
Diagram for Working Principles
5. Structure
The meter consists of meter base , meter cover , terminal base , terminal cover . there are
lead seal on meter cover and terminal cover . A special screw is used to fix the terminal cover on
which a lead seal can be installed
6. Usage
6.1 schematic diagram
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