Precision Micro-Transformers
High-performance current & voltage transformers, split-core sensors, nanocrystalline cores, and DC immune solutions for industrial, energy, and automation systems.
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High-performance current & voltage transformers, split-core sensors, nanocrystalline cores, and DC immune solutions for industrial, energy, and automation systems.
Qingxian Zeming Langxi Electronic Devices Co., Ltd. is a high-tech enterprise integrating scientific research, development, production, sales, and service. We are a top manufacturer in the micro-transformer industry, specializing in precision current and voltage transformers for global industrial applications.
With advanced production facilities and strict quality control, we deliver reliable, UL-certified, and ISO 9001-compliant components trusted by engineers and system integrators worldwide.
State-of-the-art production line with automated winding machines and precision testing equipment.
High-Precision Transformers & Sensors for Industrial Applications
Non-invasive current sensing with easy installation. Ideal for energy monitoring and retrofit systems.
Compact design for space-constrained PCB applications. High linearity and low phase error.
ZMPT101K model with UL certification (E365876). Used in UPS and power monitoring systems.
Resistant to DC offset, ideal for VFDs and inverter-based systems with mixed AC/DC signals.
Designed for balanced three-phase power monitoring in industrial and commercial installations.
High accuracy and fast response for circuit protection and fault detection systems.
Detects ground faults and leakage currents in three-phase systems for safety protection.
Ultra-high permeability and low core loss. Ideal for high-frequency and precision sensing applications.
Engineered for reliability, precision, and industrial durability.
Our ZMPT101K and other products are UL certified (E365876). We are ISO 9001 compliant for quality assurance.
Advanced core materials for superior performance in high-frequency and high-accuracy applications.
Built to withstand harsh environments, temperature variations, and continuous operation.
Exported to multiple countries with reliable logistics and technical support.
A split-core CT allows installation around a conductor without disconnecting the wire. It's ideal for retrofitting and temporary monitoring systems.
Yes, our ZMPT101K 2mA/2mA voltage transformer has UL certification with file number E365876.
It is designed to accurately measure AC current even in the presence of DC offset, commonly found in VFDs and solar inverters.
Yes, we provide OEM/ODM services. Contact us with your specifications for a custom solution.
They are used in high-performance transformers and sensors due to their high permeability, low core loss, and excellent thermal stability.
For inquiries, quotes, or technical support, reach out to our team.
+86-18114924976
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