Complex sentence: Varian, Inc. was one of the largest manufacturers of scientific instruments for the scientific industry; they had offerings over the whole range of chemical analysis equipment, with a particular focus on Information Rich Detection and Vacuum technology.
Split into simpler sentences: Varian, Inc. was one of the largest manufacturers of scientific instruments for the scientific industry. They had offerings over a broad range of chemical analysis equipment, with a particular focus on Information Rich Detection and Vacuum technology.