Faili:Dunmore Hygrometer Sensor 1938.jpg
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Muhtasari
| Maelezo |
English: This sensor was developed by Francis W. Dunmore of the National Bureau of Standards around 1938. It consists of a pair of noble metal wires wound on a plastic form. A solution containing lithium chloride is applied between the wires. The lithium chloride is hygroscopic and changes resistance with changes in relative humidity. The logarithm of the resistance varies approximately in proportion to the logarithm of the relative humidity. The advantages of the Dunmore sensor were the increased speed of response and its applicability to remote indication systems as in radiosonde units. |
| Tarehe | |
| Chanzo | National Institute of Standards and Technology Digital Collections, Gaithersburg, MD 20899. |
| Mwandishi | National Institute of Standards and Technology (NIST) |
Hatimiliki
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This image is in the public domain in the United States because it is a work of the United States Federal Government, specifically an employee of the National Institute of Standards and Technology, under the terms of Title 17, Chapter 1, Section 105 of the US Code.
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Historia ya faili
Bonyeza tarehe/saa kuona faili kama ilivyoonekana wakati huo.
| Tarehe/Saa | Picha ndogo | Vipimo | Mtumiaji | Maelezo | |
|---|---|---|---|---|---|
| sasa hivi | 18:47, 13 Julai 2020 | | 2,848 × 4,288 (610 KB) | Ltncanada | Uploaded a work by National Institute of Standards and Technology (NIST) from National Institute of Standards and Technology Digital Collections, Gaithersburg, MD 20899. with UploadWizard |
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