LEM CASR Board Mount Current Transducers

Introduction

The LEM CASR Board Mount Current Transducers are precision sensors designed for the accurate measurement of DC, AC, and pulsed currents. With a wide measuring range from 1.5A to 75A RMS, these transducers ensure safety and performance through galvanic isolation and a compact design, making them suitable for various industrial applications.

Part Description

The LEM CASR current transducers utilize closed-loop Fluxgate technology, providing high accuracy and stability in current measurements. They operate on a single +5V supply and feature an extended measuring range that can reach up to three times the nominal primary current. The sensors are designed for direct PCB mounting, equipped with three primary pins that facilitate the handling of small current measurements ranging from 2A to 50A RMS. With a bandwidth of DC to 300KHz and a fast response time of less than 0.3µs, these transducers are ideal for demanding environments. They also include a reference pin for enhanced usability in measurement and control systems.

Applications

• AC variable speed and servo motor drives
• Static converters for DC motor drives
• Battery supplied applications
• Uninterruptible Power Supplies (UPS)
• Switched Mode Power Supplies (SMPS)
• Power supplies for welding applications
• Solar inverters

Industries

• Industrial automation
• Renewable energy
• Automotive
• Consumer electronics
• Power management
• Robotics

Usage Ideas

1. Motor Control Systems: Integrate the LEM CASR transducer into a motor control system to monitor and regulate the current supplied to AC and DC motors, ensuring optimal performance and efficiency.

2. Renewable Energy Monitoring: Use the transducer in solar inverter systems to accurately measure the output current, allowing for better energy management and system diagnostics.

3. Battery Management Systems: Implement the CASR transducer in battery-powered applications to monitor current flow, enhancing the safety and longevity of battery operations.

Conclusion

The LEM CASR Board Mount Current Transducers are versatile and reliable sensors that provide accurate current measurements across a wide range of applications. Their compact design, advanced technology, and safety features make them an excellent choice for various industries, from industrial automation to renewable energy. With their ability to handle demanding environments and provide precise data, these transducers are essential for modern electronic measurement systems.