气体质量气密性检测装置流量计的优点有哪些？
目前所用各种型式的气体流量计，绝大部分是计量气体的体积流量。由于气体的体积随温度与压力的不同而变动，所以常发生较大的计量误差。如工作压力经常变动，更使计量发生困难。 气体质量气密性检测装置流量计的主要特点是不受温度与压力变动的影响，其显示读数直接指示气体的质员流量。它具有一系列优点：
At present, the gas flowmeter types, most of the gas volume flow measurement. While changes due to the different gas volume with temperature and pressure, so often happen measurement errors. If the pressure changes frequently, more make the measurement difficulties. The main characteristics of gas tightness detection device quality flow meter is not influenced by temperature and pressure changes, quality staff flow readings directly indicate the direction of gas. It has a series of advantages:
1. 在常压、高压或负压的条件下均可选用。
1 can be used in atmospheric pressure, high pressure or negative pressure condition.
2. 可在常温、100度，甚至又高的温度下正常运行。
2 in the normal temperature, 100 degrees, normal operation and high temperature.
3. 适用的量程范围宽，既能用于实验室内小流量的场所也可用于工厂生产中的大型装置。
3 applicable range wide, can be used not only for can also be used for large-scale equipment factory production of small flow in the laboratory in place.
4. 流量计的阻力降极微。
4 meter of resistance at.
5. 抗介质腐蚀的能力强。
5 anti corrosion ability.
6. 计量精度高。
6 high precision measurement.
7.输出电讯号，可远传显示，还便于与其他仪表配合后实现流量记录．自控或累计。 质量流量计是一种热导式仪表早在本世纪初，托马斯(Thomas)提出了它的原型，后几经变革惭趋完善。目前许多国家有这类流星计的工业产品，厂泛应用于各个工业生产及科学实验的领域。虽具体结构各有差异，但其原理是基本一致的。我国自1976年以来，也已有几种产品陆续间世，较多地应用于原子能工业及半导体制造工业。我们曾用于80大气压微型催化反应装置中计量氢气流量，己取得了成功的经验。若能把它推广应用于石油、化工业的各个方面必将收到良好的效益。
The 7 output signals, remote display, convenient and implementation flow recording other instrument with automatic control or cumulative. Mass flowmeter is a kind of thermal conductivity instrument in the early years of this century, Thomas (Thomas) proposed its prototype, after several changes and perfect. At present this kind of meteor meter industrial products in many countries, is widely used in various industrial production and scientific experiments in the field. Although the concrete structure is different, but the principle is the same. Our country since 1976, also have several products have been among the world, widely applied to atomic energy industry and semiconductor manufacturing industry. We have used for the measurement of hydrogen flow rate of 80 atmospheric pressure micro catalytic reactor, has obtained the successful experience. If you can make it applied to petroleum, chemical industry, each will receive good benefit.
气密性检测装置http://www.xinmingte.com/
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2014-09-10
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