The current transducer GPA is a high-precision current measurement device, which is widely used in industrial automation, power system monitoring, motor control and other fields. It provides reliable data support for system control and protection by accurately measuring current signals. The following is a detailed introduction to the current transducer GPA.

Technical parameters

• Measurement range: The measurement range of the GPA current sensor is usually determined according to the specific model, and the common measurement range ranges from a few amperes to thousands of amperes.

• Accuracy: High-precision design, the measurement error is usually within ±0.5%.

• Operating temperature: -20℃ to +85℃, suitable for a variety of harsh environments.

• Output signal: Provides analog output (such as 0-5V or 4-20mA) and digital output (such as SPI, I2C, etc.).

• Response time: Fast response, usually at the microsecond level, capable of real-time monitoring of current changes.

• Isolation voltage: High isolation voltage to ensure measurement safety, the isolation voltage is usually above thousands of volts.

Working principle

The current transducer GPA works based on Hall effect or fluxgate technology. Hall effect sensors measure current by detecting changes in magnetic fields, while fluxgate sensors achieve high-precision measurements by detecting changes in magnetic flux. Both technologies can accurately measure current without contacting the current, ensuring accurate and safe measurements.

Application areas

• Industrial automation: used to monitor the current of equipment such as motors and inverters for precise control and fault diagnosis.

• Power systems: used to monitor current in power generation, transmission and distribution systems to ensure stable operation of power systems.

• Electric vehicles: used to monitor current in battery management systems to ensure safe and efficient operation of batteries.

• Renewable energy: used to monitor current in solar and wind power systems to optimize energy conversion efficiency.

• Laboratory and test equipment: used to accurately measure current and support various scientific research and testing work.

Installation and maintenance

• Installation: Ensure that the sensor is installed in an area without strong magnetic field interference to avoid affecting the measurement accuracy. During installation, follow the instructions to ensure a firm connection.

• Maintenance: Regularly check the sensor’s connection wires and housing to ensure that there is no damage. For high-precision sensors, regular calibration is recommended to ensure accurate measurements.

Current transducer GPA has become an indispensable measurement device in industrial and power systems due to its high precision, fast response and high isolation voltage. It can not only provide accurate current measurement data, but also work stably in a variety of harsh environments to ensure the safe and efficient operation of the system.

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