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。
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。
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%.
首先低温辐射计采用电替代方法测量单个波长激光绝对光功率，测量不确定度低于0.016%。
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