Hiking DDS238-4 W Kullanıcı Kılavuzu - Sayfa 3

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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