Function characteristics
The rate of accumulated time electric pulse, positive, reverse active power measurement
Measurement of positive and negative active energy function, reverse power in the positive energy accumulation
An infrared and power carrier remote meter reading function and password protection parameters
Can be set to peak, flat, valley four rate of 2 sections, 4 hours
Provide a hardware switch in the table, to prevent the unauthorized modification of data
Can set the display cycle project, display time.
LCD display, indicating Ju Youfeng, flat, valley time operation
Battery low voltage monitoring function.
The main parameters:
The reference frequency of the 50Hz + 5%
The reference voltage 220V
The basic current 10A
The maximum current 60A
The meter constant C=1600imp/KWh
Voltage line power < 1.0W 5VA
Current line power < 1UA (Ib)
◆Required working temperature -15 ℃ ~ +55 ℃
◆Limit working temperature of -20 ℃ ~ +70 ℃
◆Working voltage range of 0.7Un to 1.2Un
◆Storage and transportation temperature of -25 ℃ ~ +70 ℃
◆Relative humidity > 85%
◆The clock error of 0.5s/d

The system block diagram

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