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Help CenterHall Effect DC Current Transducer Module 4-20mA Output With 0.5% Accuracy
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As a professional manufacturer of electrical measurement and control equipment, Jinhua Dika Electrical Equipment Co., Ltd. is proud to introduce our high-performance Hall Effect DC Current Transducer Module. This module is engineered to deliver reliable and precise current measurement for a wide range of industrial applications. With a focus on quality and performance, we have designed this transducer to meet the demanding requirements of modern automation and power management systems, providing a robust solution for accurate current sensing.
The core value of this product lies in its exceptional 0.5% accuracy and stable 4-20mA output, which ensures seamless integration with PLCs, DCS systems, and other control equipment. Our team, backed by years of experience in serving global markets, has optimized this module for durability and ease of use, making it a trusted component for system integrators and OEMs worldwide.
Key Features and Technical Advantages:
- High Precision Measurement: Utilizes the Hall Effect principle for non-contact current sensing, achieving a high accuracy of 0.5% of the reading. This ensures reliable data for process control and energy monitoring.
- Standardized Output: Generates a linear 4-20mA analog output signal, which is the industry standard for long-distance transmission with high noise immunity. The output is proportional to the measured DC current.
- Excellent Isolation: Features built-in galvanic isolation between the primary current circuit and the secondary output/measurement circuit. This protects sensitive control electronics from high-voltage transients and ground loops.
- Wide Application Range: Suitable for monitoring DC current in various settings, including variable frequency drives (VFDs), uninterruptible power supplies (UPS), battery management systems, welding equipment, and renewable energy systems like solar inverters.
- Robust Construction: Designed as a compact module with a sturdy housing, it is built to withstand the electrical noise and vibrations commonly found in industrial environments.
- Easy Installation: The module form factor allows for straightforward DIN rail mounting or panel mounting, facilitating quick integration into control cabinets and electrical panels.
Technical Specifications: The following table outlines the primary parameters of the transducer module. Specific model numbers and full-range current ratings are available upon request to match your exact application needs.
| Parameter | Specification |
| Primary Measured Current | DC (Multiple standard ranges available) |
| Output Signal | 4-20mA (Two-wire or three-wire system) |
| Overall Accuracy | ±0.5% of measured value (at 25°C/77°F) |
| Operating Principle | Closed-Loop Hall Effect (Zero-Flux) |
| Power Supply Voltage | Typically +12V to +24V DC (±10%) |
| Response Time | |
| Linearity | |
| Operating Temperature | -25°C to +70°C (-13°F to +158°F) |
| Isolation Voltage | ≥ 2.5kV AC / 50Hz / 1min |
Benefits for Your Business:
- Enhanced System Reliability: Accurate current feedback is crucial for protective relaying and process stability. Our transducer's high precision helps prevent false trips and ensures optimal equipment performance.
- Simplified System Integration: The 4-20mA output is universally compatible, reducing engineering time and costs associated with signal conditioning.
- Improved Safety: The galvanic isolation barrier enhances operational safety by separating high-power circuits from low-voltage control systems.
- Cost-Effective Monitoring: Provides a reliable method for energy consumption monitoring and predictive maintenance, helping to reduce downtime and operational costs.
Frequently Asked Questions (FAQ):
-
Q: What is the difference between an open-loop and a closed-loop Hall Effect transducer?
A: This module utilizes a closed-loop (zero-flux) design. It uses a compensation winding to nullify the magnetic field generated by the primary current, resulting in higher accuracy, better linearity, and faster response compared to open-loop designs. -
Q: Can this transducer measure AC current?
A: No, this specific module is designed for DC current measurement. We offer separate product lines for AC and bi-directional DC/AC measurements. Please inquire for those requirements. -
Q: How do I select the correct current range for my application?
A: Choose a range where your normal operating current is between 50% and 100% of the transducer's rated primary current. This ensures optimal accuracy. We provide various standard ranges (e.g., 50A, 100A, 300A, 500A). -
Q: Is external calibration required?
A: The transducer is factory-calibrated and typically does not require field calibration. Its high stability ensures long-term accuracy under normal operating conditions. -
Q: What is the meaning of a 4-20mA output?
A: It is an analog current loop signal where 4mA represents the zero or minimum scale value (e.g., 0A), and 20mA represents the full-scale value (e.g., 500A). A signal below 4mA often indicates a fault (like a broken wire). -
Q: Can the module withstand harsh industrial environments?
A: Yes, it is designed with industrial-grade components and protection against common electrical interference (EMI/RFI). The specified operating temperature range of -25°C to +70°C covers most industrial settings. -
Q: Do you provide custom designs or different output signals?
A: Yes, as a manufacturer, we have the capability for customization. Outputs like 0-5V, 0-10V, or other current ranges can be developed based on project volume and specifications.
Jinhua Dika Electrical Equipment Co., Ltd. operates with a strong commitment to quality, which is reflected in our established management systems. Our products are trusted by clients across diverse regions including North America, Europe, Southeast Asia, and beyond. With an annual export value reflecting our global reach and a dedicated team of 11-50 professionals, we ensure every current transducer module meets rigorous standards before shipment from major ports like Shanghai, Tianjin, Guangzhou, and Ningbo.
This Hall Effect DC Current Transducer Module represents a fusion of precision engineering and practical design, aimed at solving real-world measurement challenges. Its reliability can contribute significantly to the efficiency and safety of your electrical systems. We invite you to contact us for detailed datasheets, pricing for specific current ranges, or to discuss how this module can be integrated into your next project. Let us provide you with a measurement solution you can depend on.
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