OEM/ODM AC Current Measurement Device Manufacturers & Suppliers

High-Precision Solutions for Industrial Power Monitoring, Smart Grids, and Electrical Safety. Certified Quality from a Leader in Magnetic Components since 1993.

🌐 Global Industrial Status of AC Current Measurement

The global market for AC current measurement devices is experiencing a paradigm shift driven by the rapid expansion of the Internet of Things (IoT) and the global transition to renewable energy. As industries strive for carbon neutrality, the need for precise electricity monitoring has never been more critical. From massive data centers in North America to solar farms in the European Union and manufacturing hubs in Southeast Asia, AC current sensors like Rogowski coils and split-core transformers are the "sensory nerves" of the modern power grid.

⚡ Energy Transition

The rise of Electric Vehicle (EV) charging infrastructure requires high-accuracy current transformers for billing and load balancing, ensuring the grid remains stable during peak demand.

🏭 Industry 4.0

Smart factories utilize real-time AC measurement to predict machine failures, optimize energy consumption, and automate production lines via PLC and SCADA systems.

🏙️ Smart Buildings

Sub-metering in commercial real estate allows for precise cost allocation and identifies energy-saving opportunities, reducing the overall carbon footprint.

Smrtr Technology Factory

🏢 About Fujian Smrtr Technology Co., Ltd. (Zentar®)

Founded in 1993, Zentar® has established itself as a premier global manufacturer of magnetic components. With over three decades of expertise, we specialize in the consulting, design, and high-volume manufacturing of current transformers and electrical safety products.

Our commitment to reliability is backed by our implementation of ISO9001 in 2002 and our rigorous adherence to IATF 16949 standards, ensuring our products meet the demanding requirements of the automotive and industrial sectors. Headquartered in Xiamen, our 40,000-square-meter facility is a hub of innovation.

1993Established
410+Employees
50MAnnual Capacity
20+Senior Engineers

🚀 Future Trends & Global Procurement Needs

The Shift Toward Non-Intrusive Sensing

Modern procurement specialists are increasingly looking for non-intrusive measurement solutions. Traditional current transformers require breaking the circuit for installation, which leads to downtime. Our Split Core Current Transformers and Flexible Rogowski Coils solve this problem, allowing for "hot-swap" installation without interrupting power. This is a crucial requirement for hospitals, data centers, and continuous manufacturing plants.

High-Frequency and Harmonic Analysis

With the proliferation of non-linear loads (like computers and variable speed drives), the grid is noisier than ever. High-frequency AC current sensors, particularly our Rogowski Integrators, are designed to capture complex waveforms and high-order harmonics with negligible phase error, providing the data necessary for power quality analysis.

Global Demand for Customization (OEM/ODM)

No two power systems are identical. We provide extensive OEM/ODM services to meet specific localized needs:

  • Custom output signals (mV, mA, or DC voltage)
  • Varying window sizes for different busbar dimensions
  • Weatherproof designs for outdoor high-voltage insulation
  • Integration with wireless energy monitoring modules

🛠️ Advanced Manufacturing & Infrastructure

Our 40,000m² workshop is equipped with the latest technology to ensure precision and scale.

Wire Wrapping
Wire Wrapping
Rubberized Cloth
Rubberized Cloth
Silicon Steel Sheet
Silicon Steel Loading
Soldering Tin
Soldering Tin
Testing
Rigorous Testing
Automatic Winding
Auto-Winding Machine
Laser Marker
Laser Marking
Coil Winding
Coil Winding
Auto Soldering
Automatic Soldering
Eight Axis Winding
Eight Axis Winding

🇨🇳 Why Partner with a Leading Chinese Factory?

🔍 Technical R&D Leadership

Led by academic professors and a team of 20+ senior engineers, we don't just manufacture; we innovate. Our expertise in magnetic ring cores ensures our transformers have the highest linearity and lowest phase shift in the industry.

📦 Scale and Efficiency

With an annual capacity of 50 million magnetic components, we offer economies of scale that reduce costs for our global partners without compromising on the quality of raw materials like silicon steel or copper winding.

🤝 End-to-End Solutions

From ERP-driven supply chain management introduced in 2008 to short lead times and customized consulting, we provide a seamless experience from the initial blueprint to final delivery.

Our split core current transformers and Rogowski coils are specifically optimized for energy efficiency monitoring and automation. Whether it’s sub-metering cost allocation, dynamic energy consumption tracking, or peak load analysis, Smrtr Technology provides the accuracy and durability required for professional applications.