The main industry in gas analysis, gas analysis instrumentation industry has a wide range of applications. I. Features: 1, rotameter used to display and adjust the size of the sample gas flow of gas. Small volume installed in the gas analysis system. 2, with adjustable and non-adjustable flow of the needle, easy to adjust. 3, the base material with corrosion PVDF and "O" ring, ensuring air tightness and corrosion resistance flowmeter 4, PVDF material OD6/4mm card socket for easy connection gas line 5, a special process glass: corrosion resistance, 6 high degree of visibility, you can select the range of products suitable for the actual gas flow :10-100NL / h ,25-250NL / h ,50-500NL / h Second, the technical parameters: 1, range :0.1-2L / MIN 2 The base material: Viton, PVDF, stainless steel corrosion-resistant materials 3 out of gas Interface: PVDF and Viton OD6mm, OD8mm ferrule connector 4, Installation: panel mounting 5, with regulation and no regulation needle