荧光计

例句：

1. 1. The fluorometer was used to measure the concentration of fluorescent substances in the sample.
   荧光计用于测量样品中荧光物质的浓度。
2. 2. The photometer was used to measure the intensity of light emitted by a light source.
   光度计用于测量光源发射的光强度。
3. 3. The spectrophotometer was used to analyze the absorption and emission spectra of the sample.
   分光光度计用于分析样品的吸收和发射光谱。