Description
Technical Specification Table
| Specification | Details |
|---|---|
| Type | Hair tension hygrometer |
| Measurement Range | 0 to 100% relative humidity |
| Graduation | 1% r.h. |
| Sensing Element | Human or animal hair |
| Display | Circular dial scale |
| Casing | Metal enclosure |
| Application | Atmospheric humidity measurement |
Key Features
• Measures relative humidity from 0 to 100%
• Uses human or animal hair under tension for sensing
• Circular dial design for easy viewing
• Clear and accurate humidity scale
• Fast response to humidity changes
• Durable metal case for long-lasting use
• Simple, low-maintenance operation
• Suitable for labs, classrooms, and environmental checks
Working Principle
The Hair Hygrometer works by using a hair strand that expands or contracts with changes in humidity. When the air becomes more humid, the hair length increases. When the air becomes dry, the hair shortens. This movement is transferred to a pointer that moves across the dial. The scale shows the relative humidity in percentage. The device needs no power and responds quickly to atmospheric changes.
Use Cases
• School and college science labs
• Environmental monitoring studies
• Indoor air quality checks
• Weather and climate demonstrations
• Basic humidity measurement for training
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