n.光度计；分光计；曝光表；测光仪

The photometer is used to measure the intensity of light in a particular wavelength.
这台光度计被用来测量特定波长的光照强度。
In a chemical lab, a spectrophotometer is employed to determine the concentration of a solution based on its absorbance of light.
在化学实验室中，分光光度计被用于根据溶液对光的吸收程度来测定其浓度。
The astronaut utilized a portable photometer to analyze the brightness of stars in space.
宇航员使用便携式光度计来分析太空中的恒星亮度。
The weather station's photometer recorded a significant decrease in sunlight during the volcanic eruption.
气象站的光度计记录到火山喷发期间阳光显著减弱的情况。
A colorimeter, a type of photometer, helps in quantifying the color of a substance by measuring its absorbance at different wavelengths.
色度计（一种光度计）通过在不同波长下测量物质的吸光度，帮助量化其颜色。
The pollution monitoring system incorporates a photometer to measure the particulate matter concentration in the air.
大气污染监测系统包含了光度计以测量空气中的颗粒物浓度。
The researcher adjusted the photometer settings to calibrate it for the new sample under investigation.
研究人员调整了光度计的设置，以便为正在研究的新样品进行校准。
The photometer readings indicated that there was a higher level of chlorophyll in the water from the north side of the lake.
光度计读数显示湖北侧水域中的叶绿素含量较高。
In the food industry, a turbidimetric photometer measures the cloudiness or clarity of liquids, which can help ensure product quality.
在食品行业中，浊度计（一种光度计）用于测量液体的浑浊度或清澈度，有助于确保产品质量。
Astronomers use highly sensitive photometers to detect the faintest signals from distant galaxies.
天文学家使用高度灵敏的光度计探测来自遥远星系的微弱信号。