... quick delivery tern micro flow meter,gas flow,liquid flow meter SBL digital target flow meter is improved from traditional flow meters and can ... , volumetric, vane-wheel, by-pass, orifice, differential pressure, mechanical flow meter. It was widely used in fields of gas, natural ... portability, no removable part, etc. are its features. It can measure base oil, bitumen, flue gas, and so on directly.main ...