Agilent Technologies Inc. (NYSE:A) today launched a new series of gas chromatograph/mass spectrometers (GC/MS) that builds on the high levels of reliability, productivity and performance of its flagship 5975 instruments. The Agilent 5975B Series MSD offers users new software tools and additional options for integrated autosamplers. A new oil-free vacuum pump enhances productivity by significantly reducing the need for maintenance.