The petroleum viscosity measurer can measure and display one or a plurality of viscosity values of any given temperature once at any inconstant temperature.
本石油粘度测定仪,可以在任意非恒定温度下,一次测得一个或数个任意给定温度下的粘度值,并显示出来。
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Using the temperature sensor AD590 and humidity sensor HM1500, and the A/D converter CC7107 etc. A low power and low cost measurer of temperature and humidity was designed.