The Agilent 959 MacroTorr Helium Leak Detector is a solid and reliable gadget for leak measurements in really demanding operations. It is very economic and effective at the same time with its leak detector feature. It is engineered to have a large mounted primary pump that converts in top speeds and quicker pump down times. Available in standalone unit with the primary pump purchased separately or in combination with either an oil-sealed rotary-vane pump or a TriScroll dry pump. The conjoint option is available with mounted on a two wheel cart or a hardware for bench marking for best results.