The BK9181B is a single-channel, programmable DC power supply from B&K Precision. It has high accuracy, fast transient response, and a wide range of output voltages. It is designed with an adjustable output voltage and current range from 0V to 36V, and from 0A to 4A. It is user friendly, with a large and easy to read backlit LCD. It features adjustable OVP/OCP/OTP/OPP protection and built-in test programs. Additionally, it has high resolution voltage and current display and a convenient USB interface port. The BK9181B is a great choice for a wide range of laboratory, testing, and production applications.