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Three Phase Electronic kWh meter

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Eastron Electronic Co., Ltd.

Coming From China,
Marketing To The World.

Eastron Electronic Co., Ltd. headquartered in Jiaxing, China, near to Shanghai, Hangzhou, Jiangsu, is one of the leading high-tech manufacturer and supplier for electricity products and energy measurement solutions. Over the years, we have developed a rich range of electricity meters, sensors, communication modules and management systems.

Eastron keeps investing on the research and development of new technology and new products on electricity metering. We have energetic and innovative development teams in both China and UK,which help us keep the competitive edge in the market. The collaboration with leading universities and institutions also brings many cutting-edge technology into our products. To make sure the reliability of the products, Eastron has setup own professional lab that can performs EMC, LVD, accuracy and environment tests according to IEC, EN, GB, UL standards.

With more than 40 patented technologies on software, embedded software and hardware, Eastron has been awarded with “High-tech Enterprise” and “High-tech R&D Centre of Electricity Application”. Eastron strictly follows ISO 9001 Quality management system, and the production is approved by SGS according to MID standard.

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Industry Knowledge



What is three phase electronic KWh meter?
A three-phase electronic kWh meter is an electronic device used to measure and record the amount of electrical energy consumed by a three-phase electrical system over a period of time. It is commonly used in commercial and industrial settings where high power consumption is expected.
The meter operates by measuring the current and voltage in each of the three phases of the electrical system, and then multiplying these values together to determine the instantaneous power being consumed at any given moment. The meter then integrates this power over time to determine the total energy consumed over a period of time, typically in kilowatt-hours (kWh).
The meter is typically installed at the main incoming power supply to a building or facility, and can be read manually or remotely through a data communication network. The use of electronic meters provides greater accuracy, reliability, and flexibility compared to traditional electromechanical meters.
How to choose three phase electronic KWh meter?
When choosing a three-phase electronic kWh meter, there are several important factors to consider. Here are some key considerations:
Accuracy: Look for a meter with high accuracy, typically Class 1 or Class 0.5, to ensure that you are measuring energy usage as precisely as possible.
Load capacity: Consider the maximum current and voltage rating of the meter to ensure it can handle the expected load.
Communication protocols: Determine which communication protocols are supported by the meter, such as Modbus, M-Bus, or pulse output, to ensure that it is compatible with your monitoring system.
Display and data storage: Consider the type of display and data storage available on the meter, such as LCD or LED displays, and whether the meter has the capability to store and transmit data.
Cost: Compare the cost of different meter options and consider the long-term savings that a high-quality, accurate meter can provide.
Standards and certifications: Look for meters that meet industry standards and have been certified by relevant regulatory bodies, such as the International Electrotechnical Commission (IEC) or the National Institute of Standards and Technology (NIST).
By considering these factors, you can choose a three-phase electronic kWh meter that is accurate, reliable, and compatible with your energy monitoring system.
How to maintain three phase electronic KWh meter?
To maintain a three-phase electronic kWh meter, you can follow these steps:
Regularly clean the meter: Dust and debris can accumulate on the meter's surface, which can affect its performance. Clean the meter using a dry cloth or a brush.
Verify the accuracy: Periodically verify the meter's accuracy by comparing it with another meter or by checking the reading against your electricity bill.
Check the connections: Make sure that the connections to the meter are secure and free of corrosion or damage. Loose connections can cause the meter to malfunction.
Monitor the voltage and current: Check the voltage and current readings regularly to ensure they are within the meter's range. High or low voltage or current can damage the meter.
Keep the meter dry: The meter should be kept in a dry location, away from water or moisture. Exposure to moisture can damage the meter.
Follow manufacturer's instructions: Follow the manufacturer's instructions for maintenance and calibration. The manufacturer may recommend a specific maintenance schedule or procedure.
Have the meter calibrated: Calibrate the meter periodically to ensure accuracy. Calibration involves adjusting the meter's internal components to compensate for any drift in accuracy.
By following these steps, you can help ensure that your three-phase electronic kWh meter operates reliably and accurately.