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Help CenterHall Effect DC Current Transducer Module 4-20mA Output With 2-Year Warranty
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As a professional manufacturer of electrical measurement equipment, Jinhua Dika Electrical Equipment Co., Ltd. is proud to introduce our precision Hall Effect DC Current Transducer Module. Designed for reliability and accuracy in demanding industrial environments, this module converts DC current into a standardized 4-20mA output signal, providing a robust solution for power monitoring, motor control, and energy management systems. Our commitment to quality, backed by years of experience and a global supply network, ensures you receive a product built for performance and longevity.
This transducer leverages the non-contact Hall Effect principle, offering significant advantages over traditional shunt-based methods. It provides galvanic isolation between the primary current circuit and the secondary measurement output, enhancing safety and protecting sensitive control equipment from high-voltage transients. The 4-20mA output is the industry standard for analog signal transmission, known for its noise immunity and ability to travel long distances without significant signal degradation.
Core Features & Technical Advantages:
- High Accuracy & Stability: Utilizes a closed-loop (compensated) Hall Effect sensor design, which minimizes errors caused by temperature drift and core magnetization, ensuring consistent readings over time and across varying environmental conditions.
- Wide Measuring Range: Available in multiple standard current ranges (e.g., 0-50A, 0-100A, 0-200A, 0-500A) to suit diverse application needs. Custom ranges are also available upon request.
- Excellent Linearity: Provides a highly linear output relative to the input current, which is critical for precise control and monitoring applications.
- Fast Response Time: Features a rapid response to changes in the primary current, typically in the range of microseconds to milliseconds, making it suitable for dynamic load monitoring and protection circuits.
- Robust Construction: Housed in a durable, self-extinguishing plastic or metal enclosure (model dependent) that offers protection against dust, moisture, and mechanical stress, suitable for harsh industrial settings.
- Easy Integration: The module form factor with screw terminals or connector options allows for straightforward installation into control panels, switchgear, or directly onto busbars.
Detailed Technical Specifications:
| Parameter | Specification / Value |
| Operating Principle | Closed-Loop Hall Effect |
| Primary Current (Ipn) | Standard ranges from 0-50A to 0-500A DC |
| Output Signal | 4-20mA DC (2-wire or 3-wire system) |
| Supply Voltage (Vs) | +12V to +24V DC (±10%) typical |
| Overall Accuracy | Typically ±0.5% to ±1.0% of reading at 25°C |
| Linearity | < 0.1% F.S. |
| Response Time | < 300 μs (typical) |
| Isolation Voltage | Up to 2.5kV AC/50Hz/1min (primary to secondary) |
| Operating Temperature | -25°C to +70°C |
| Storage Temperature | -40°C to +85°C |
Benefits for Your Application:
- Enhanced System Safety: The electrical isolation prevents ground loops and protects your PLCs, meters, and data acquisition systems from high-voltage spikes on the power line.
- Improved Process Control: Accurate, real-time current feedback enables tighter control of motors, drives, and power supplies, leading to better product quality and energy efficiency.
- Simplified System Design: The 4-20mA output is directly compatible with most industrial controllers and chart recorders, reducing interface complexity and cost.
- Reduced Maintenance: The non-contact measurement means no physical wear on the sensor, and the robust design ensures reliable operation with minimal downtime.
- Scalable Monitoring: Easily integrate multiple transducers for monitoring different branches of a power distribution system, feeding data into SCADA or energy management software.
Choosing Jinhua Dika means partnering with a manufacturer dedicated to quality and customer satisfaction. Our operations are underpinned by a commitment to systematic quality management. We serve a global clientele across North America, South America, Europe, Asia, Africa, and Oceania, demonstrating the international acceptance and reliability of our products. Our annual export value reflects a growing trust from businesses worldwide. Furthermore, we stand firmly behind the durability of this transducer module with a comprehensive 2-Year Warranty, providing you with peace of mind and long-term value. This commitment, combined with our ability to ship from major ports like Shanghai, Tianjin, Guangzhou, and Ningbo, ensures timely and efficient delivery to your location.
Frequently Asked Questions (FAQ):
-
Q: What is the main advantage of using a Hall Effect sensor over a shunt resistor?
A: The Hall Effect transducer provides galvanic isolation, which enhances safety and protects downstream electronics. It also does not introduce power loss into the measured circuit like a shunt resistor does. -
Q: Can this module measure AC current?
A: No, this specific module is designed for DC current measurement. We offer separate transducer models for AC current applications. -
Q: How do I select the correct current range?
A: Choose a range where your normal operating current is between 50% and 80% of the transducer's full-scale rating for optimal accuracy. We can advise on selection based on your application details. -
Q: Is the 4-20mA output loop-powered (2-wire) or does it require a separate power supply (3-wire)?
A> Both configurations are available. Please specify your requirement when inquiring or ordering. -
Q: What is the meaning of the 2-year warranty?
A: The warranty covers defects in materials and workmanship under normal use for a period of two years from the date of shipment. It includes repair or replacement of the faulty unit. -
Q: Can the output be customized, for example, to 0-5V or 0-10V?
A: Yes, output signal customization is possible. Please contact us to discuss your specific voltage output requirements. -
Q: How is the module typically installed?
A: The primary conductor (busbar or cable) passes through the aperture of the sensor. The module is then mounted using its provided screw holes or a DIN rail adapter (optional). Wiring is done via the clearly marked screw terminals. -
Q: Do you provide calibration certificates with the product?
A: Standard units are factory calibrated. A calibration certificate is available as an optional accessory for applications requiring documented traceability.
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