Advanced Current Control: Utilize the OPA547 module for precise voltage-controlled constant current sourcing. Ideal for applications requiring stable and reliable current control. Versatile Functionality: Features Howland VI conversion, enabling seamless AC to DC current conversion for a wide range of electrical applications. High Compatibility: Perfect for both AC and DC constant current operations, enhancing device flexibility and usability in various setups. Color: Black Material: Metal+Plastic Package Contents: 1* AC Constant Current Source Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.