Hamamatsu regulated high voltage power supplies are products developed based on our years of experience as a photomultiplier tube manufacturer and our leading edge technology. All models are designed to conform to stability requirements demanded of photomultiplier tube operations. Various models are provided, ranging from on-board unit types to general-purpose bench-top types, allowing you to choose the desired power supply that suits your application. In addition to the high quality high voltage power supplies, Hamamatsu does also provide low voltage power supplies to work with many of our Photomultiplier modules.