| 释义 |
carbon-film hygrometer element carbon-film hygrometer element[′kär·bən ‚film hī′gräm·əd·ər ‚el·ə·mənt] (electricity) An electrical hygrometer element constructed of a plastic strip coated with a film of carbon black dispersed in a hygroscopic binder; variations in atmospheric moisture content vary the volume of the binder and thus change the resistance of the carbon coating. |