Hygromètre — Wikipédia
![Hygromètre — Wikipédia](https://upload.wikimedia.org/wikipedia/commons/thumb/d/dc/Hygrometer_USSR_1987.jpg/800px-Hygrometer_USSR_1987.jpg)
![](https://www.wikihow.com/images/thumb/a/a3/Make-a-Hygrometer-Step-15-Version-2.jpg/aid1478151-v4-1200px-Make-a-Hygrometer-Step-15-Version-2.jpg)
How to Make a Hygrometer: 15 Steps (with Pictures) - wikiHow
![](https://upload.wikimedia.org/wikipedia/commons/thumb/1/1c/Psychrometric_chart_%28altitude_0%2C_750%2C_1500%2C_2250%2C_3000_m%29.pdf/page1-800px-Psychrometric_chart_%28altitude_0%2C_750%2C_1500%2C_2250%2C_3000_m%29.pdf.jpg)
Hygrométrie — Wikipédia
![](https://upload.wikimedia.org/wikipedia/commons/thumb/d/d0/Hygrom%C3%A8tre_de_J.-H._Lambert%2C_r%C3%A9alis%C3%A9_par_G._F._Brander%2C_XVIII%C3%A8me_si%C3%A8cle.jpg/488px-Hygrom%C3%A8tre_de_J.-H._Lambert%2C_r%C3%A9alis%C3%A9_par_G._F._Brander%2C_XVIII%C3%A8me_si%C3%A8cle.jpg)
Hygromètre — Wikipédia
![](https://upload.wikimedia.org/wikipedia/commons/thumb/0/0e/Umidaderelativa.jpg/170px-Umidaderelativa.jpg)
Humidité relative — Wikipédia
![](https://cdn.britannica.com/80/137180-050-E36AEA91/Hygrometer.jpg)
Hygrometer, Humidity, Moisture, Measurement
![](https://upload.wikimedia.org/wikipedia/commons/4/4b/Hygrometer_-_Hygrom%C3%A8tre_-_%D8%AC%D9%87%D8%A7%D8%B2_%D9%82%D9%8A%D8%A7%D8%B3_%D8%A7%D9%84%D8%B1%D8%B7%D9%88%D8%A8%D8%A9_photo1.jpg)
File:Hygrometer - Hygromètre - جهاز قياس الرطوبة photo1.jpg - Wikimedia Commons
![](https://upload.wikimedia.org/wikipedia/commons/thumb/4/4b/Fahrenheit_hydrometer.jpg/220px-Fahrenheit_hydrometer.jpg)
Fahrenheit hydrometer - Wikipedia
![](https://upload.wikimedia.org/wikipedia/commons/thumb/3/35/Hygrometer-MHS_449-P7220181-black.jpg/2048px-Hygrometer-MHS_449-P7220181-black.jpg)
File:Hygrometer-MHS 449-P7220181-black.jpg - Wikimedia Commons
![](https://upload.wikimedia.org/wikipedia/commons/thumb/1/1c/Psychrometric_chart_%28altitude_0%2C_750%2C_1500%2C_2250%2C_3000_m%29.pdf/page1-1200px-Psychrometric_chart_%28altitude_0%2C_750%2C_1500%2C_2250%2C_3000_m%29.pdf.jpg)
Hygrométrie — Wikipédia
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