This paper presents a system which combines the measurement of ultrasonic velocity and temperature based on a single board microcomputer.
2
介绍燃烧效率测定仪的工作原理及热电偶测温、氧测量、一氧化碳测量的基本电路。
The operational principle of the combustion efficiency meter and the basic circuits for thermocouple temperature measurement, oxygen measurement, co measurement are introduced.
3
测温原理是基于金属热效应：由两根不同材质的金属导线组成回路，即构成热电偶。
The working principle of temperature measurement is based on two different metals weld together to form a thermocouple.
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