The Chroma 61509/61508/61507 models are the latest of the 61500/61600 series AC Source. The Chroma 61500/61600 series programmable AC source are the right solutions to meet complex single and three phase requirements due to their ability to simulate AC line conditions and measure critical product characteristics during testing. These features make the 61500/61600 series ideal for commercial, power electronics, avionics, and regulation test applications from bench-top R/D design verification and quality assurance to mass production.