Cryogenic radiometer is currently the most accurate measurement system in optical metrology.
低温辐射计是目前光学计量中准确度最高的测量系统。
2
Turbine flowmeters are widely used in the following measurement object: oil, organic liquids, inorganic liquid, liquefied gas, natural gas, coal gas and cryogenic fluids.
涡轮流量计广泛应用于以下一些测量对象：石油、有机液体、无机液、液化气、天然气、煤气和低温流体等。
3
Firstly, the laser power was measured by cryogenic radiometer in visible and near infrared spectral regions (488~944 nm), uncertainty of power measurement is less than 0.016%.