Turbine flowmeter model

by:Sure     2021-08-23
1. Overview Turbine flowmeters (hereinafter referred to as TUF) are the main varieties of impeller-type flow (velocity) meters. Impeller-type flowmeters also include anemometers and water meters. TUF is composed of a sensor and a conversion display. The sensor uses a multi-lobe rotor to sense the average flow rate of the fluid, thereby deriving the flow rate or total amount. The revolution (or number of revolutions) of the rotor can be detected mechanically, magnetically, and photoelectrically, and displayed and recorded by a readout device. It is said that the United States issued the first TUF patent as early as 1886, and the patent in 1914 believed that TUF traffic was related to frequency. The first TUF in the United States was developed in 1938. It was used to measure the flow of fuel on airplanes. It was only after World War II that a high-precision, fast-response flowmeter was urgently needed for the liquid jet fuel of jet engines. Industrial applications. Today, it has been widely used in various departments of petroleum, chemical industry, scientific research, national defense, and measurement. 2. Features of Huahai Measurement and Control Products 1. High accuracy, generally up to ±1%R, ±0.5%R, high-precision type up to ±0.2%R; 2. Good repeatability, short-term repeatability up to 0.05%~0.2 %, it is precisely because of the good repeatability, such as frequent calibration or online calibration can get extremely high accuracy, it is the preferred flow meter in trade settlement; 3. On-site display, instantaneous flow and cumulative flow 4. Output Pulse frequency signal, 4-20mA, 485 communication 5. High frequency signal can be obtained, signal resolution is strong; 6. Wide range, medium and large diameter can reach 1:20, small diameter is 1:10; 7. Structure Compact and lightweight, easy to install and maintain, and large flow capacity; 8. Suitable for high-pressure measurement, no holes are required on the meter body, easy to make high-pressure meters; 9. There are many types of special sensors, which can be designed for various special needs according to the special needs of users Type sensors, such as low temperature type, two-way type, downhole type, sand mixing type, etc.; 10. It can be made into an insert type, suitable for large-caliber measurement, with low pressure loss, low price, continuous flow removal, easy installation and maintenance; three , Technical specifications, technical parameters, caliber and flow comparison table IV. Outline dimensions and installation diagrams V. Understanding of type selection
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