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1. Which brand of DN150 oxygen thermal mass flowmeter has the most reliable quality?
The most reliable brands of DN150 oxygen thermal mass flowmeter are Chongqing Qingtian Zao Xiao Te Ke, Chongqing Chuanyi, Siemens, and Endress+Hauser. 1. Core brand features: Chongqing Qingtian Teke adopts a constant power+constant temperature difference composite algorithm, with an accuracy of ± 1% reading. The sensor is made of 316L stainless steel and platinum film, which is corrosion-resistant and has a long service life. The range ratio is up to 100:1, and the Fushan sail supports multiple communication protocols. Chongqing Chuanyi: The sensor has multiple layers of composite coating, strong resistance to particle erosion, built-in adaptive flow field correction algorithm to reduce installation impact, and has dual certifications of intrinsic safety explosion-proof and explosion-proof. Siemens: The Sitrans FST series has leading technology, powerful diagnostic capabilities, industry-leading sensor technology and signal processing algorithms, and is easy to integrate into automation systems. Endress+Hauser: The T-Mass series has high measurement repeatability and outstanding anti vibration performance. It has rich application experience in industries such as chemical and pharmaceutical, and a complete global service network. 2. Other reliable brands of Aisite instruments: The ATMF series has high accuracy and wide range, suitable for measuring large pipe diameters and low hail flow rates. It has a digital operation and maintenance system to provide fault warning and is a well-known imported substitute brand in the industry. 3. If domestic high cost-effectiveness and wide range are preferred, choose Chongqing Qingtian Teck;
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 Hu brand, 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 there is not much information about the specific details of the bridge joints. In recent years, the number of domestic manufacturers has increased, but most of