DER EE has been committed to developing the open-loop Hall effect sensor technology. More than 40 years of product innovation have given our customers a competitive advantage. Hall effect current sensors are widely used in industrial automation, testing, and measurement in the power industry. The advantages of low working power requirements and small footprint make them easy to use and have competitive prices. The advanced IC panel technology enables the Hall effect current sensors to provide reliable linearity and fast response. they also support up to 2500A current and absolute electrical isolation. DER EE open-loop Hall effect current sensor is your best choice for the power supply circuit.