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Do you have any good recommendations for gas flow meters? I used Zhejiang Tianxin’s spiral vortex type before; what kind do you use?
It depends on what it is being used for; the performance in terms of spinning into vortices is quite average. For applications that require high measurement accuracy, orifice plates, turbines, vortex flow meters, ultrasonic sensors, and similar devices are commonly used, with higher grades being utilized as needed.
Is the poster measuring volume and mass? I haven’t come across many domestic brands; I have used Beijing Qixing Huachuang’s products. In my opinion, there is still a long way to go in the field of metrology in China, especially in terms of measurement accuracy. Well-known companies abroad include Emerson, Yokogawa in Japan, and E+H, among others.
Ultrasonic devices of this type are highly advantageous; if cost is not a concern, Emerson SP has specialized equipment available, and it is also claimed to be superior. 1
Chengde Kroni is relatively well-known
Sikma’s ultrasonic flowmeters and ELSTER’s ultrasonic flowmeters are both good options, with a low failure rate
Sikmeihak’s products can be considered masterpieces, but the system integration features rarely make use of them; it seems that his brand doesn’t have any other complementary products
Thermal gas mass flow meter, easy to install and requires minimal maintenance