Hand-held ultrasonic flowmeter for lubricating oil

The editor found that many people were searching for handheld lubricating oil ultrasonic flowmeters during this period. I believe that everyone in the factory is worried about what kind of flowmeter should be selected for measurement due to the complex environment of the industrial site. Ultrasonic flowmeters are based on non-contact. The method of measurement is very popular. However, before choosing the ultrasonic flowmeter, do you really have a comprehensive understanding of the ultrasonic flowmeter? 　　 To understand the ultrasonic flowmeter, it is definitely indispensable for its principle. The ultrasonic flowmeter adopts the 'time difference method' measurement principle, that is, an ultrasonic signal is generated by the sending sensor and distributed in the air stream. The signal passes through the pipe wall and the fluid to the receiving sensor. At the same time, the receiving sensor emits the same ultrasonic signal. The signal passes through the pipe wall and the fluid to the sending sensor. At this time, because of the time difference due to the flow velocity, the flow velocity can be calculated based on the time difference, and then the flow rate can be calculated. The structure of ultrasonic flowmeter is mainly divided into ultrasonic signal generator, signal receiver, information processing circuit, and flow display. Among them, the ultrasonic signal generator first sends a signal, receives the sensor to receive the signal, obtains the time difference, and processes the ultrasonic information according to the information processing circuit, transmits the flow to the display screen in the form of an electrical signal and displays the result.　　 Although the ultrasonic flowmeter is a non-contact measurement, there is almost no requirement for the medium, but there are still places that need to be paid attention to: 　　1, precision function inspection 　 　 accuracy level and function According to the measurement requirements and use occasions, select the accuracy level of the instrument, so as to be economical and cost-effective. For example, for trade settlement, product handover, and energy metering, you should choose a higher accuracy level, such as 1.0, 0.5, or higher; for process control, choose different accuracy levels according to the control requirements; some are only It is to check the process flow and do not need to do precise control and measurement. You can choose a lower accuracy level, such as 1.5, 2.5, or even 4.0. At this time, you can choose a cheap plug-in ultrasonic flowmeter.　　2, the flow rate that needs to be met 　　 measuring medium flow rate, meter range and caliber When measuring general media, the full-scale flow rate of the ultrasonic flowmeter can be selected within the range of measuring medium flow rate 0.5-12m/s, and the range is relatively wide. The instrument specification (caliber) selected may not be the same as that of the process pipeline. It should be determined within the flow rate range depending on whether the measurement flow range is or not, that is, when the pipeline flow rate is low and cannot meet the requirements of the flow meter or when the measurement accuracy cannot be guaranteed at this flow rate , It is necessary to reduce the diameter of the meter to increase the flow velocity in the pipe and obtain satisfactory measurement results.　　Hand-held ultrasonic flowmeters have been widely used in chemical and chemical fiber, food, paper, sugar, mining and metallurgy, water supply and drainage, environmental protection, water conservancy, steel, petroleum, pharmaceutical and other industrial fields. It also has a good effect on the flow measurement of lubricating oil. If you have a small partner in the above-mentioned industries and want to know more about ultrasonic flowmeters, you may go to Kaidi Sensing Technology Co., Ltd. to take a look. This is a manufacturer specializing in the production of ultrasonic flowmeters. In-house professional engineers can solve various product selection and on-site installation problems for everyone.

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