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May I ask which brand and specification of peak current meter (for monitoring respiration) to choose? Nowadays, there is no comparison between mechanical and electronic methods. Electronic testing has more lung function values, more accurate numbers, and can be used in conjunction with software to automatically record numbers for a long time. It can also record asthma diaries. No need for additional items, convenient, convenient, fast, and domestically produced Piko-1 approved by the National Food and Drug Administration is priced at less than 300 yuan (available on Taobao). Imported Piko-1 is too expensive, costing over 600 yuan, but the functions are the same. I also saw it for sale on the Amazon website and it has already been exported to the United States. There are various names for peak velocity meters, some of which are called peak flow meters, peak velocity meters, or peak expiratory flow meters. The English name is Peak Flow Meter. Search for the above names yourself and compare the prices. I also bought one, priced at 279 yuan on Taobao. Its good to use and much more convenient than the mechanical ones I used to use. Its much easier than the ones I used to use in the past, and I can still measure PEF and FEV1 values three times a day (which was not possible for those who used mechanical ones in the past). The domestically produced ones I know include Shanghai Keka (produced by Shanghai Wanbo), Ningbo Ningyin, and the so-called imported Bairui (also a product of Wanbo). Imported products include IML (from the United States), and what other Asthma checks are available. These are all mechanical. The above products are priced between 100 yuan and 200 yuan. Domestic electronic peak velocimeters include Dr. Michaels PF200 (MicroLife), while imported ones include Piko-1. I am using PF200, which is half cheaper than imported ones and costs over 600 yuan. The functions are the same, and it also comes with a two-year warranty. 2. The meaning of air flow meter
The meaning of air flow meter is air flow meter.
. Specifically, it can refer to the following meanings: air flow meter: This is an instrument used to measure air flow, widely used in industries, automobiles, and other fields for monitoring and controlling air flow. Supply air flow meter: In a specific context, it may refer to an air flow meter specifically designed for supply systems. Air flow meter signal: refers to the electrical signal or data generated by an air flow meter, used to represent the measured air flow rate. Hot film air flow meter: This is a specific type of air flow meter that uses hot film technology to measure air flow. Air flow meter: Similar in meaning to an air flow meter, it is also an instrument used to measure and display air flow. In summary, air flow meter mainly refers to air flow meters and their related concepts and applications.3. The meaning of an airflow meter
The meaning of an airflow meter is an air flow meter.
. It is an instrument used to measure air flow and has a wide range of applications in multiple fields, including but not limited to: industrial field: used to monitor and control air flow in production processes, ensuring production efficiency and product quality. Automotive Engineering: In the fuel injection system of a car, an airflow meter is used to measure the amount of air entering the engine, thereby helping the control system accurately adjust the fuel injection amount to achieve optimal pe