Five steps to teach you to use the flow meter correctly

Abstract: Five steps to teach you the correct use of flow meter information is provided by excellent flow meter and flow meter manufacturers. ① Pay attention to instrument selection When the instrument type (for example, intelligent precession vortex flowmeter) has been selected, the selection of instrument specifications and its supporting components is very important. In a word, you can use it well when you choose it. For this reason, in the selection process. More flowmeter manufacturers choose models and price quotations. You are welcome to inquire. The following are five steps to teach you the correct use of flowmeters. ① Pay attention to instrument selection When the instrument type (for example, intelligent precession vortex flowmeter) has been selected, the selection of instrument specifications and its supporting components is very important. In a word, you can use it well when you choose it. To this end, two basic principles should be grasped in the selection process; namely: one must ensure the accuracy of use, and the other must ensure production safety. To do this, it is necessary to implement three selection parameters, namely, the maximum, minimum and commonly used instantaneous flow rates in the near and long term (mainly used to select the size and specifications of the instrument), and the design pressure of the measured medium (mainly used for Nominal pressure rating of the selected instrument), working pressure (mainly used to select the pressure rating of the instrument pressure sensor). ② Carry out pre-use calibration On the one hand, considering that there are still some difficulties in the field verification of such instruments at present. In addition, if the purchase intention is to use this instrument in more important measurement occasions, such as large-flow trade measurement or measurement points with prominent measurement disputes, and the application site does not have the conditions for online calibration of flow, then In this case, it is too early to easily judge that all the performances of the watch are qualified based on a factory certificate provided by the manufacturer at the time of purchase. Therefore, in order to ensure the reliability and accuracy of the measurement results of the instrument in the future work process, it is necessary to send it to the department with the verification ability and qualification for a system verification within the full flow range before the formal installation. ③ Do a good job in process installation Although this type of instrument does not have many special requirements for process installation and use environment, any type of flow measurement instrument has such a commonality, that is, to avoid vibration and high temperature environment as far as possible. (such as compressors, separators, pressure regulating valves, large and small heads, header pipes, elbows, etc.), keep the inner wall of the straight pipe section before and after the instrument smooth and straight, and ensure that the measured medium is a clean single-phase fluid, etc. ④ Strengthen later management Although this kind of flowmeter has the characteristics of various automatic disposal functions and low power consumption, it still needs to strengthen the management after it is put into operation. For example, in order to ensure the accuracy and reliability of the long-term work of the instrument (to avoid unexpected shutdown and data loss), the system should be calibrated regularly (every 1'>~2 years), transcribe the meter data (daily or weekly), replace the medium parameters (monthly or quarterly), check the battery condition from time to time, check the meter coefficient and lead seal, etc. ⑤ Pay attention to internal maintenance If the flowmeter needs to regularly check or clean the measuring chamber and its components due to air pollution or other reasons, then one point must be paid special attention: for the precession vortex flowmeter of the same specification, its vortex The core components such as the generator and the conducting body cannot be interchanged. Otherwise, the measurement coefficient of the meter must be re-calibrated and the temperature and pressure sensors equipped with it must be systematically calibrated. The above is the entire content of this article. You are welcome to inquire about the flowmeter selection, quotations, etc. 'Five steps to teach you to use the flow meter correctly'

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