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How to read a rotor flowmeter? Why?
The reading method for the rotor flowmeter is as follows: For the sub flowmeter reading method, stand in front of the flowmeter, with your eyes parallel to the float, and move your line of sight horizontally to the left until you see the outline of the float touching the positioning line. The corresponding reading value is at the intersection of the positioning line and the horizontal scale in the middle of the float.. A rotor flowmeter measures fluid flow based on the principle of throttling, but it changes the flow area of the fluid to maintain a constant differential pressure between the upper and lower parts of the rotor. Therefore, it is also known as a variable flow area constant differential pressure flowmeter or a float flowmeter. In a vertical conical tube that expands from bottom to top, the gravity of the circular cross-section float is supported by liquid dynamics, and the float can freely rise and fall inside the conical tube. Under the action of flow velocity and buoyancy, it moves up and down, and after balancing with the weight of the float, it is transmitted through magnetic coupling to indicate the flow rate on the dial. Generally divided into glass and metal flutter rotor flow meters. Metal rotor flowmeter is the most commonly used in industry. For small diameter corrosive media, glass material is usually used. Due to the inherent fragility of glass material, rotor flowmeters made of precious metals such as all titanium are also used for key control points. Rotary flowmeter is a variable area flow meter based on float position measurement. Adopting an all metal structure and modular concept design, it has low pressure loss, large range ratio (10:1),
2. Where to read the float flowmeter
Abstract: The metal tube float flowmeter is a variable area flow measurement instrument, which consists of a metal measuring tube and a float. Some float flowmeters also have signal transmitters to indicate the flow rate.
. The principle of metal tube float flowmeter is to use the pressure difference generated when the fluid passes through the gap between the float and the pipe wall to balance the weight of the float, so that the float rises under the action of gravity. The position of the float corresponds to the flow rate of the measured medium. Float flowmeter is widely used in complex and harsh environments. Lets learn how to read the metal tube float flowmeter below.1. What is a metal tube float flowmeter? A metal tube float flowmeter, also known as a metal tube float flowmeter, is a flowmeter made using the principle of variable area measurement. It consists of a sensor (measuring tube and float) and a signal transmitter (indicator), and is used to measure liquids and gases. It is a commonly used variable area flow measurement instrument in industrial automation process control. It has the characteristics of small volume, large detection range, and easy use, especially suitable for measuring medium flow with low flow rate and small flow rate.
.2. Principle and function of metal tube float flowmeter. The measurement of flow rate by metal tube float flowmeter is determined by the position of the float in the conical measuring tube. The specific principle is:
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