🌐EnglishEnglishDeutschEspañolFrançaisNederlandsРусскийفارسیEntityQ1132942· pop 9· linked from 20 articlesNondispersive infrared sensorinfrared detector without diffracting element dispersing the IR wave lengthsConnectionswaterEntityoxygenEntityCategoriesAbsorption spectroscopyGas sensorsInfrared spectroscopySpectrometers