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Precision Energy Metering for Modern Power Systems

L & J Smart Technology Co., Limited is a professional high-quality energy meter supplier from China, offering advanced electronic, single phase, three phase, prepaid, smart, and wireless energy meters for residential, commercial, and industrial applications.

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17+ Smart Meter Models
15+ Three Phase Options
IEC & MID Certified
Three Phase Prepayment Energy Meter

About L & J Smart Technology

A trusted manufacturer and exporter of high-precision electronic energy meters with over a decade of experience in delivering reliable metering solutions worldwide.

Professional High-Quality Energy Meter Supplier

We specialize in the design, production, and export of a comprehensive range of energy meters including single phase, three phase, prepaid, smart, multifunction, and wireless models. Our products meet international standards such as IEC, ANSI, and MID, ensuring accuracy, durability, and compliance.

With a strong focus on innovation and customer satisfaction, L & J Smart Technology has built long-term partnerships across Europe, Asia, Africa, and South America. Our meters are widely used in residential complexes, commercial buildings, and industrial facilities.

  • IEC & MID Approved Meters
  • AMR/AMI Ready Smart Meters
  • Anti-Tampering & Secure Design
  • Global Shipping & Support

Quality Control

Rigorous testing ensures every meter meets precision and safety standards.

Factory Tour

Modern production lines with automated calibration and assembly.

Global Reach

Serving clients in over 50 countries with reliable delivery.

Support

Dedicated sales and technical support for all inquiries.

Our Product Range

Explore our wide selection of high-accuracy, durable, and smart-enabled energy meters designed for diverse power monitoring needs.

Integrated Keypad Three Phase Prepayment Meter

Integrated Keypad Three Phase Prepayment Meter

  • • Prepaid kWh meter for residential use
  • • Integrated keypad for user interaction
  • • IEC standard compliance
  • • 3 x 230V / 400V AC, 50/60Hz
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Socket Mounted Single Phase Wireless Energy Meter

Socket Mounted Single Phase Wireless Meter

  • • Wireless communication (GPRS/RF)
  • • ANSI socket type installation
  • • Remote reading capability
  • • 110V - 240V AC, Class 1 accuracy
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Four Wire Three Phase Energy Meter

Four Wire Three Phase Energy Meter

  • • High precision for industrial use
  • • Three phase four wire configuration
  • • Class 1 or 2 accuracy
  • • IEC & MID approved
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Multifunction Single Phase Energy Meter

Multifunction Single Phase Energy Meter

  • • Remote meter reading systems
  • • Measures kWh, voltage, current, power
  • • RS485 / Modbus interface
  • • Anti-tampering design
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Dust Proof Wireless Energy Meter

Dust Proof Wireless Energy Meter

  • • IP54 dust and moisture resistant
  • • GPRS/GSM communication
  • • Real-time monitoring
  • • Suitable for outdoor installations
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Digital Electronic Energy Meter

Digital Electronic Energy Meter

  • • 5A / 10A standard current rating
  • • LCD display with backlit option
  • • High reliability and long life
  • • Suitable for DIN rail mounting
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IC Card Three Phase Prepayment Meter

IC Card Three Phase Prepayment Meter

  • • Integrated IC card system
  • • Digital prepayment kWh meter
  • • Secure credit management
  • • Suitable for apartments and housing
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Commercial Reactive Three Phase Meter

Commercial Reactive Three Phase Meter

  • • Measures active and reactive energy
  • • LCD display with multiple parameters
  • • For industrial and commercial use
  • • High accuracy and stability
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View All 100+ Products

Why Choose Our Meters?

Engineered for accuracy, durability, and seamless integration into modern energy management systems.

Certified Quality

All meters comply with IEC, MID, and ANSI standards for international deployment.

Smart Technology

AMR/AMI ready with GPRS, RF, and PLC communication options for remote reading.

Anti-Tampering

Secure design with tamper detection and event logging for revenue protection.

High Accuracy

Class 1 and Class 2 accuracy for precise energy measurement and billing.

100+

Product Models

50+

Countries Served

10+

Years Experience

IEC/MID

Certified

Trusted by Global Clients

"Stable machine, competitive price, rich products series. You have all above mentioned!"

A

Andrey

Energy Distributor, Ukraine

"Good design, good organization, capability to listen to customer’s need…"

I

Ivan

Utility Company, Russia

"This supplier is very serious with work and I am very satisfied with the services. Happy to create long term business relationship with your company."

T

Thomas Brehmer

Procurement Manager, Germany

Frequently Asked Questions

What types of energy meters do you manufacture?

We manufacture a wide range of energy meters including Single Phase, Three Phase, Prepaid, Smart (AMR/AMI), Wireless, Multifunction, Electromechanical, DIN Rail, and Socket Type meters for residential, commercial, and industrial applications.

Are your meters certified to international standards?

Yes, our meters are certified to IEC, MID, and ANSI standards, ensuring compliance with international regulations for accuracy, safety, and performance.

Do you offer smart meters with remote reading?

Yes, we offer AMR and AMI-ready smart meters with GPRS, RF, PLC, and RS485 communication options for automatic meter reading and remote monitoring.

What is the delivery time for bulk orders?

Typical delivery time is 15-30 days after order confirmation, depending on the quantity and customization requirements. We offer sea, air, and express shipping options.

Can you customize meters for specific voltage or current ratings?

Yes, we provide OEM/ODM services and can customize meters for specific voltage (110V-240V), current (5A-100A), frequency (50/60Hz), and communication protocols.

Get in Touch

Ready to discuss your energy metering needs? Contact L & J Smart Technology Co., Limited for product inquiries, quotations, and technical support.

Visit Official Website

For direct inquiries, please visit our official website to submit your requirements.

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