2018年3月30日 · The rotameter principle is one of the oldest and most mature principles in flow measurement. The space between the tube and the float is larger at the top to allow more flow …

2019年1月5日 · A typical indication rotameter scale is not linear at about 5%. Differential: An important characteristic of the variable area meter is that the loss of pressure through the float …

2020年7月17日 · Initially shut the valve of rotameter, now start the flow through rotameter. Use a stopwatch when the water starts to fill in the measuring tank. Increase the flow rate gently and …

2018年3月5日 · Rotameter is a variable area flow meter, works for measuring the flow of low viscous fluid at high velocity. A variable-area flowmeter is one where the fluid must pass …

2018年12月26日 · Rotameter type viscometers are used both industrially and in the pilot plant to measure the viscosity of the process fluids and continuously indicate, record or control the …

2023年5月4日 · It is not recommended to utilise the rotameter needle valve for tight shutoff. Installing a hand valve upstream will allow for service or total shutoff of the purge medium as …

2023年2月9日 · Formula of Capillary-tube viscometer. η= π r⁴tΔP/ 8lV. where , r = radius of inside capillary;

2018年11月15日 · Orifice and venturi meter: Orifice and venturi meter works under the same principle, both meters creates a restriction in the flow channel and the pressure difference …

2022年5月10日 · The rotameter works on the principle of up-thrust force exerted by fluid and force by gravity. The pressure difference across an annular orifice is directly proportional to the …

2023年11月2日 · Step by Step Calibration Procedure for Mass Flow Controller. The detailed procedure outlined below provides a step-by-step guide for calibrating a Mass Flow Controller …