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Sulfuric acid flow meter scale choose install and use

by:Sincerity     2020-10-26
Abstract: sulphuric acid flow meter scale selecting installation using information produced by excellent flow meter, flow meter manufacturer to offer you the quotation. Reasonable choice and correct installation flowmeter of sulfuric acid to improve the measurement precision and extend the service life of instrument, is extremely important. 1. Flowmeter selection principle of sulfuric acid sulfate flowmeter consists of a transmitter and transducer, the selection of its main problem is like. More flow meter manufacturers choose model price quote you are welcome to inquire, here is sulfuric acid flow meter scale choose install and use the article details. Reasonable choice and correct installation flowmeter of sulfuric acid to improve the measurement precision and extend the service life of instrument, is extremely important. 1. Flowmeter selection principle of sulfuric acid sulfate flowmeter consists of a transmitter and transducer, the selection of its main problem is how to correctly choose transmitter, just and supporting the use of the converter. From the following several aspects to consider the selection of transmitter. ( 1) Diameter and the range of choice when choosing transmitter, should first need to determine its diameter and flow measurement range, or determine the scope of the transducer measuring the flow velocity of fluid inside. Zui flow according to the production process on the expected value to select the full range of calibration in the transmitter, and use of the common flow transmitter zui can exceed 50% of the full range, in order to obtain high measurement precision, the transmitter range is determined, diameter is according to the measuring tube fluid flow velocity and water head loss relationship to determine, velocity with 2 - Zui suitable for 4 m/s. Usually choose the calibre of the transducer and the pipe size is the same or slightly smaller; ( 2) The choice of working pressure transmitter when using pressure must be less than the prescribed work pressure. Current transducer working pressure specifications are: less than 50 mm ф 157 & times; 10 'pa; ф80 - Mm for 980 & 900 times; 1 o 'Pa; Larger than ф 1000 mm is 58. 9× 10 'pa; ( 3) The choice of the temperature of the measured medium temperature cannot exceed the allowable temperature transmitter lining material, medium temperature is heat-resistant properties such as electrical insulation materials, enameled wire. Domestic finalize the transducer working temperature is 5 ~ 60 ℃, usually have up to 120 ℃. To measure high temperature medium, it is necessary to choose special specifications transducer; ( 4) Lining material and lining material of the choice of electrode material transducer and electrode materials must be correctly according to the physical and chemical properties of measured medium choice, otherwise the transmitter damage due to the corrosion of the lining and electrode soon. Therefore, must according to the production process in the process of concrete measure medium corrosion protection experience, correctly select transducer electrode and lining material. 2. Sulfuric acid flow transmitter installation location to stay away from the magnetic source ( Such as high power motor, transformer, etc. ) , there can be no vibration. Zui is installed vertically, and the medium flow direction should be from the bottom up, so as to ensure the measuring tube transmitter is always full of medium. When not installed vertically, also can be installed horizontally, but to make the two electrodes in the same horizontal plane, in order to prevent the electrodes with precipitation and adsorption was bubbles. When mounted horizontally, transmitter installation position of elevation should be slightly lower than the elevation of pipe to ensure that the transmitter measuring tube filled with medium. In addition, the transmitter shall be installed in dry bath ventilated place, should avoid to rain, direct sunlight and environmental temperature is too high. Converter should be installed in the environment temperature for - The occasion of 10 ℃ ~ + 45 ℃; Air relative humidity & le; Around 85% installation locations without strong shock, gas phase contains no corrosive gas. With the connection between the transmitter cable length should not be commonly more than 30 m. 3. Sulfuric acid flow meter in use process, the use of sulfuric acid flowmeter measurement tube wall can scale, dirt resistance is low, serious when can make electrode short circuit, smaller or sudden drop performance for traffic signals. In addition, the measurement of pipe lining may be corrosion or wear and tear, resulting in electrode short circuit phenomenon, cause serious measurement error, and even can't continue to work. As a result, the transmitter must be regular maintenance cleaning, keep the measurements of the interior of the pipe cleaning, electrode light. Above is all there is in this article, you are welcome to inquire me manufacturer flowmeter selection, quotation, etc.
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