1pc NEW Laboratory preparation gas supply Mass flow meter Seven quantity flow controller. Laboratory material preparation gas supply system high precision alternative mass flow meter seven volume flow controller. Mass Flow Meter (MFM) for the precise measurement of the mass flow of gases. Mass Flow Controller (Mass Flow Controller abbreviated as MFC) is used for precision measurement and control of the mass flow rate of gases. They have important applications in the semiconductor microelectronics industry, special materials development, chemical industry, petroleum industry, medicine, environmental protection and vacuum and other fields of research and production. Typical applications include: electronic process equipment such as diffusion, oxidation, epitaxy, CVD, plasma etching, sputtering, ion implantation; and vacuum coating equipment, fiber optic melting, microreactors, gas mixing and distribution systems, capillary measurement, gas chromatographs and other analytical instruments. D07 series mass flow controller and mass flow meter with high accuracy, good repeatability, fast response, soft start, stable and reliable, wide range of operating pressure (can work under high pressure or vacuum conditions), its easy to use, can be installed in any position, and easy to connect with the computer to achieve automatic control.