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1. Which is the best ultrasonic flowmeter in Northeast China? Both Haifeng Weiye and Youke Jia have excellent ultrasonic flowmeters. According to Tianyancha Information, Dalian Haifeng Weiye Instrument Co., Ltd. was established in 2012 and is located in Dalian, Liaoning Province. It focuses on the research and development of ultrasonic large-diameter measuring products and the production of liquid crystal flow meters. Its main products include ultrasonic flow meters, plug-in ultrasonic flow meters, etc. Dalian Youke Instrument Co., Ltd. was established in 2001 and is located in Dalian, Liaoning Province. It is a modern high-tech enterprise that integrates product research and development, production, and sales. It specializes in the production and manufacturing of flow meters and liquid level instruments. Communication issues between 2.4G DTU and Haifeng flowmeter?
If you are using the DTU of the Tangshan sections sleepy and slippery Landi, we suggest that you pay attention to these two points: ① wiring. The Haifeng flowmeter is usually connected to a 4G DTU device through a 485 port. ② Serial port parameter settings. Haifeng flowmeter protocol, select MODBUS RTU ONLY, serial port parameters, baud rate, parity check, and ruler meter address should be consistent with the set DTU parameters. To learn more, you can Baidu
3. Analysis of Dalian Haifeng Weiye Annubar flowmeter
Analysis of Dalian Haifeng Weiye Annubar flowmeter Annubar flowmeter, also known as average pitot tube flowmeter, is a flow measurement instrument based on differential pressure principle. It is an improvement of pitot tube technology specifically designed for measuring the flow rate and flux of liquids, gases, or vapors
First, the main components of Dalian Haifeng Weiyes Annubar flowmeter are mainly composed of the following key parts: Sensor: The sensor is the core component of the Annubar flowmeter, usually a long strip probe with multiple pressure collection holes.
. These holes are distributed at the front end (facing the flow direction) and side of the probe, with the front holes used to measure total pressure (static pressure plus dynamic pressure), while the side holes are used to measure static pressure. This design enables the sensor to accurately capture pressure changes during fluid flow. Differential pressure transmitter: The differential pressure transmitter is connected to a sensor and used to measure the difference between total pressure and static pressure, i.e. dynamic pressure. The dynamic pressure is proportional to the square of the fluid velocity, so the flow rate can be calculated by measuring the dynamic pressure. The differential pressure transmitter converts the measured differential pressure signal into a standard signal output for subsequent processing. Flow calculator: The flow calculator receives signals from differential pressure transmitters and calculates the flow rate based on parameters such as fluid density and pipeline size. In some cases, the differential pressure transmitter itself has the function of calculating flow, and the flow calculator can be omitted. Monitor: The monitor is used to display measured flow values, which may include real-time flow and cumulative flow. Dalian Haifeng Weiyes Anuba flowmeter is usually equipped with a clear digita