The matters needing attention in the process of ultrasonic heat meter is in use

Abstract: ultrasonic heat meter in the use the matters needing attention in the process of information produced by excellent flow meter, flow meter manufacturer to offer you the quotation. Ultrasonic heat meter using several problems easy to overlook one, there is no right for ultrasonic flowmeter verification or calibration 1, before using any flowmeter require verification or calibration of portable ultrasonic flowmeter in this is especially important. Everybody. More flow meter manufacturers choose model price quote you are welcome to inquire, the following is the matters needing attention in the process of ultrasonic heat meter in the use of the article details. Ultrasonic heat meter using several problems easy to overlook one, there is no right for ultrasonic flowmeter verification or calibration 1, before using any flowmeter require verification or calibration of portable ultrasonic flowmeter in this is especially important. As we all know, a portable ultrasonic flowmeter has three sets of probe can choose ( Large, medium and small) , suitable for different pipe diameter range respectively, the collocation of each group of the probe and the host in a sense is a set of independent flowmeter. 2, if only in a small diameter flow standard device with a small probe for the portable ultrasonic flowmeter verification or calibration, so if you use when using big probe measuring pipe flow, means you are using without verification or calibration of flowmeter in flow measurement, the measurement accuracy cannot be guaranteed, because the current technical level cannot guarantee the compatibility of the probe, and the difference between the size of probe is a variable that nots allow to ignore. 3, therefore, the correct method should be: in the usage of the users themselves, for reference, in as much as possible the same as the use of pipe size or close to flow standard device for portable ultrasonic flowmeter verification or calibration of some pipes. At least to ensure that the configuration of flowmeter calibration to each group of the probe. 4, verification or calibration institutions in the verification or calibration certificate will be issued by the diameter and the probe number recorded on the certificate of the purpose is to prevent misunderstandings arise, those who see the portable ultrasonic flowmeter is equal to other fixed diameter flowmeter's understanding is wrong, this is also some users with bad portable ultrasonic flowmeter for one reason. Second, the neglect of the flowmeter using condition and using environment requirements 1, any speed meter and the flow field of fluid inside the pipeline to be tested is has the certain requirement, ultrasonic flowmeter is no exception. When the flow meter before and after the installation location cannot guarantee the straight pipe length, measuring error caused by the unsteady flow field is not allow to ignore. Many users restricted by instrument measuring Wells, in can not meet the requirement of the installation, the position of the measurement, which caused the increase of measurement error. 2, the jet lag type ultrasonic flowmeter particularly sensitive to the water mixed with air bubbles, then through the air bubbles will cause the flow meter of the value of instability, the accumulation of gas if just match the installation position of the probe, will cause meter will not work. So ultrasonic flowmeter installation should try to avoid the pump export, high position of the influence of gas, such as the installation of the probe points also should try to avoid pipeline, the upper and bottom with horizontal diameter 45 & deg; Installation Angle range, but also pay attention to avoid the defects of weld pipes. 3, the installation of the ultrasonic flowmeter using the environment should be paid attention to avoid the strong electromagnetic interference and vibration, we found that, in the use under the high tension line, the vehicle road, using mobile phones near the host or interphone will more or less influence on measurement. Three, cannot be accurately measuring pipe parameters measuring no 1, the probe on the outside of the pipe installation, it is direct measurement of the pipe fluid flow rate, flow velocity and pipe flow area of the product, and the pipe area and channel length are users by host manual input pipe parameters calculated, these parameters are accurate or not directly affect the measurement result. That is to say: meter even if velocity measurement is accurate, if you input a set of inaccurate pipeline parameters, measurement result is inaccurate. 2, pipe parameters to get the actual measurement is used, the method of using collect design drawings and the way of information personnel familiar with the situation of all possible errors, because it often and design the actual construction parameters have discrepancy, pipe manufacturing deviation is sometimes not to ignore, use for a period of time the parameters such as pipe wall thickness will be a lot of changes over time. 3, the actual measuring pipe parameters also should pay attention to the rationality of the methods, measuring tools and instruments for measuring after calibration. Must pay attention to the measuring pipe diameter pipe outer protective layer and outer layer of dirt to measure the possible impact of corrosion. Above is all there is in this article, you are welcome to inquire me manufacturer flowmeter selection, quotation, etc.

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