photoelectric transmissometer

例句：

1. 1.The photoelectric transmissometer was used to measure the intensity of light in the room.
   光电透射计被用来测量房间内光线的强度。
2. 2. The photoelectric transmissometer was used to detect the presence of pollutants in the air.
   光电透射计被用来检测空气中污染物的存在。
3. 3.The photoelectric transmissometer was used to monitor the temperature and humidity levels in the greenhouse.
   光电透射计被用来监测温室中的温度和湿度水平。