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1. Installation direction of mass flowmeter
The installation direction of mass flowmeter should ensure that the fluid direction inside its measuring tube is consistent with the flow arrow marked on the flowmeter. The specific points are as follows: Flow consistency: Mass flow meters usually have clear flow arrow markings, and installation must ensure that the fluid direction is consistent with this arrow. Because the sensors inside the flowmeter are designed and calibrated based on specific flow directions, flow errors can lead to measurement deviations and even damage to the flowmeter. Consider other installation factors: In addition to the flow direction, other factors should also be considered during installation, such as the length of the straight pipe section before and after the flowmeter, the support and fixing method of the pipeline, etc., which may affect the accuracy of the measurement. Follow the installation guide: To ensure the accuracy of measurement and the service life of the flowmeter, various factors should be comprehensively considered when installing the mass flowmeter, and the installation guide provided by the manufacturer should be strictly followed.
2. What brands of mid to high end mass flow meters are currently available in the domestic market?
In the current domestic market, there are numerous brands of mid to high end mass flow meters, including both foreign brands and domestic manufacturers.
. Firstly, lets take a look at imported brands, mainly including Emerson (acquired by Gaozhun), E+H (Endershause), and Cologne. These brands have already established production bases in China, such as Emerson in Jiangning District, Nanjing, E+H in Suzhou Industrial Park, and Cologne in Shanghai. The advantage of localized production lies in shortening delivery cycles and reducing costs, but pricing strategies vary by brand, and some low-priced products may mean adjustments to material standards that consumers need to carefully consider. In addition to the aforementioned brands, brands such as Yokogawa, Siemens, Jiqing Touchlight KEM, Schlumberger, and Foxboro have relatively few appearances in the market and low market share. It is unclear whether they have factories or scattered applications in China. The earliest domestic producers such as Xian Dongfeng and Taihang, as well as Beijing Shouke Shihua and Beijing Dalu Lida (now merged into Far East), were also important early manufacturers. Watson has started production in Hebei in recent years, but the specific details are not well understood. In recent years, the number of domestic manufacturers has increased, but most of them are learned through rumors, and there is not much actual understanding. Dongfeng and Taihang are more common in large enterprises such as Sinopec and PetroChina due to their long history.3. Which quality flowmeter is good for groundwater monitoring?
Currently, in public information, Jiangsu Aoke Instruments AK-LDE groundwater meter, Jiangsu Sipai Instruments SP-LDE series groundwater pipeline flowmeter, Tianchang Jiamei Automation Instruments Jiamei groundwater flowmeter, Xiamen Jingchuan pump tube flowmeter, and Famet flowmeter have outstanding quality performance and can be selected according to specific usage scenarios.
AK-LDE Groundwater Meter: Produced by Jiangsu Aoke Instrument Co., Ltd., it belongs to the intelligent electromagnetic flowmeter. The measurement accuracy is not affected by chang