Introduction
This scheme meets all functional and technical requirements of general technical specifications for single-phase intelligent IOT
electric energy meters and general technical specifications for three-phase intelligent IOT electric energy meters of State Grid
Corporation of China.
The prototype has passed the running in test.
Hardware platform
Metering IC: adopt Renergy special metering SOC
(rn2025: arm Cortex-M0 core)
Application
State Grid unified bidding market
Cooperation mode
Schematic diagram, PCB diagram and BOM signing are free of charge,
Intellectual property and source code pay for use
Service
PCB modification, local Bureau requirement modification
Technical parameter
Accuracy class:Active power level a
Nominal voltage:220V
Current rating:0.25-0.5（60）A，0.5-1（100）A
Pulse constant:1000，2000 imp/kWh
Frequency:50Hz
Communication protocol:DL/T 645、DL/T 698
Working temperature:–25 ℃～55 ℃
Working temperature limit:–40 ℃～70 ℃
Operating range limit:0.8Unom～1.15Unom
Power Consumption:In non communication state, the voltage line shall not be greater than 1.5W and 8VA
Overall dimensions: 160mm long x 112mm wide x 71mm high
The reasons why many listed companies choose us
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Professional
A national high-tech enterprise, the R&D team has been deeply involved in the electrical measurement industry for more than 20 years. 100% of the R&D personnel have a bachelor degree or above, and 60% have a master degree or above. It is the main supplier of electrical measurement solutions in the smart meter and EV charger industry, and is the standard of "Integrated Energy Power Sensing Terminal" and "Integrated Energy Internet of Things Gateway" drafting unit.
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One-stop
■ Exclusively provide 4 kinds of electrical measurement solutions in China
1.Electric energy metering IC
2.Electric energy metering scheme / module
3.Electric energy metering kit
4.Electric energy metering scheme
■ provide customers with electrical measurement calibration equipment and services.
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Great industry experience
Products are used in more than 10 industries such as smart meters, EV charger, electromobile charger, power exchange stations, power exchange cabinets, smart light poles, smart agriculture, smart buildings , smart parks, smart factories, Field Supervision Unit（FSU）, energy management and smart transportation. And Irdopto provides more than 100 kinds of electrical measurement solutions, has more than 1,000 customers, and has sold more than 1 million metering modules.
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