Analysis of problems existing in the field application of gas flowmeters In the field of material measurement, the detection and control of fluid flow is the key for all walks of life to strengthen material management, energy management, material handover, financial settlement, economic accounting, benefit analysis and evaluation, and even decision-making. An important basis; it is also an important means for enterprises to monitor the production process, make it safe, safe, run smoothly and improve the environment. In a sense: measurement is eyes, measurement is money, and measurement is benefit. Modern enterprises have higher and higher requirements for flow measurement, which are mainly reflected in the degree of accuracy, reliability, timeliness and automation level. The output signals of various types of gas flowmeters are only in direct proportion to the working condition flow rate (linear scale), and the scale between it and the measured medium standard flow rate can only be based on a specific working condition (such as the design working condition). If the actual working conditions on site (such as the temperature, pressure, composition and flow range of the medium, etc.) have changed, and the standard flow is still read according to the original scale relationship, it will obviously produce different degrees of Additional error makes the flow reading (original scale) meaningless. In order to accurately measure the gas flow, it is required that the actual working conditions on site are consistent with the design working conditions and remain stable. However, the actual working conditions often change, and it is precisely because of the changes that it is necessary to quickly and reliably know the accurate flow rate under the actual working conditions after the change, otherwise, the meaning of measurement will no longer exist. In actual field application, the stability of the working condition is relative, and the change is absolute. Therefore, in addition to the flow sensor as a key part of the gas flowmeter, it is necessary to configure pressure gauges, thermometers, and calculators manually for occasions where the working conditions change regularly, the accuracy is not high, and remote transmission or automatic control is not required. The compensation method of calculating the flow rate by checking the table of the admission parameters is not only discontinuous and fast, but also cumbersome and has large errors. In most cases, the actual working conditions on site are often sudden and unknown, not only occur frequently but also fluctuate in a large range. At this time, it is unrealistic to calculate the flow rate quickly and accurately by relying on the method of manually recording parameters and looking up the table. Take automatic compensation measures.
Nowadays, it is very common for us to utilise in insertion ultrasonic flow meter. And the quality of is decisive to production efficiency.
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