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Precision Current & Voltage Sensors for Modern Industry

Chieful Science & Technology Co., Ltd. – 18 years of expertise in Hall-effect transducers. Delivering high-precision, reliable, and customizable current and voltage sensors for EVs, solar systems, welding machines, high-speed railways, and more.

Why Choose Chieful?

We combine advanced science and technology with human-centered values to deliver sensors that are not only precise but also safe, efficient, and environmentally responsible.

Manufacturer

18 years of professional experience in Hall-effect transducers. Save cost and control delivery time with direct manufacturing.

No MOQ Requirement

Innovation

Continuous R&D investment ensures cutting-edge performance and reliability in every sensor we produce.

Customizable Solutions

Quality Assurance

Rigorous testing and quality control processes ensure long-term reliability and stability in industrial environments.

5-Year Warranty

Sustainability

We are committed to protecting Earth and human health through eco-conscious manufacturing and responsible sourcing.

Green Technology

Our Current Sensors

High-performance, closed-loop Hall-effect current sensors for AC, DC, pulsed, and mixed current measurement with galvanic isolation and precision accuracy.

DS010LDA

Galvanic isolation between primary and secondary circuits. Ideal for electronic measurement of DC small currents.

  • Type: DC Small Current Sensor
  • Isolation: Galvanic
  • Application: Precision DC Measurement

CSM150LA

Closed-loop Hall-effect sensor for measuring AC, DC, pulsed, and mixed currents with high accuracy.

  • Type: Closed-loop Hall Sensor
  • Current: AC/DC/Pulsed
  • Use Case: Industrial Power Systems

CSM025A

Compact closed-loop sensor for precise measurement of mixed current types in tight spaces.

  • Type: Miniature Current Sensor
  • Range: Up to 25A
  • Output: Analog Signal

CSM025AY

Enhanced version of CSM025A with improved thermal stability and long-term reliability.

  • Type: High-Stability Sensor
  • Temp Range: -40°C to +85°C
  • Mounting: PCB or Panel

CSM005A

Ultra-low current measurement sensor with high sensitivity and minimal drift.

  • Type: Micro-Current Sensor
  • Range: Up to 5A
  • Accuracy: ±0.5%

CSM300B

Robust sensor for high-current industrial applications with excellent linearity.

  • Type: High-Current Sensor
  • Range: Up to 300A
  • Isolation Voltage: 4kV

CSM040G

General-purpose closed-loop sensor with wide bandwidth and fast response.

  • Type: Wideband Sensor
  • Bandwidth: 100kHz
  • Response Time: <1μs

CSM050LX

Low-offset sensor ideal for battery monitoring and energy management systems.

  • Type: Low-Drift Sensor
  • Offset: <50ppm/°C
  • Application: EVs, UPS

CSM050P

Panel-mounted sensor with rugged housing for harsh industrial environments.

  • Type: Industrial Panel Sensor
  • Protection: IP65
  • Mounting: DIN Rail

CSM050SY

High-reliability sensor for safety-critical systems with redundant output options.

  • Type: Safety-Grade Sensor
  • Outputs: Dual Analog
  • Compliance: IEC 61508

CSM100EE

Energy-efficient sensor with low power consumption and high accuracy.

  • Type: Low-Power Sensor
  • Power: <15mA
  • Efficiency: >95%

CSM200AP

High-precision sensor for automation and process control applications.

  • Type: Automation Sensor
  • Accuracy: ±0.2%
  • Interface: Analog + Digital

About Chieful Science & Technology

Nanjing Chieful Science & Technology Co., Ltd. is a professional manufacturer of Hall-effect transducers with over 18 years of experience in the design, application, and production of current and voltage transducers.

Founded in Nanjing, China, our company has grown to serve a global market, exporting products to the UK, Europe, Australia, and beyond. Our sensors are widely used in UPS systems, welding machines, solar energy systems, electric vehicles, and mechanical automation.

18+ years of industry expertise
Global export to 30+ countries
Custom solutions available
5-year product warranty
Chieful Factory

Key Applications

Our Hall-effect current sensors are trusted in critical industries where precision, safety, and reliability are paramount.

Welding Machines

Precise current control ensures consistent weld quality and energy efficiency.

New Energy Vehicles

Battery monitoring, motor control, and regenerative braking systems rely on our sensors.

Solar & Wind Power

Grid-tie inverters and energy storage systems use our sensors for real-time monitoring.

High-Speed Railways

Traction control and power management systems depend on high-reliability current sensing.

Need Support?

Whether you're looking for product documentation, technical assistance, or custom design help, we're here to support your success.

Visit Official Website for Support

Get in Touch

For inquiries, quotes, or technical questions, please visit the official Chieful website to contact the team directly.

Visit Official Website to Contact

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