Brooks QUANTIM Coriolis mass flow meter/controller provides superior accuracy and unmatched zero stability in ultra-low-flow gas and liquid applications. QUANTIM provides flow measurement and integral control, plus on-line density and temperature measurement all in one compact package. Available with three tube sizes to match customerâs flow measurement and control needs. Available with NEMA 4X/IP65 housing and Class 1 Div 1 approved explosion proof body.