Description
Technical Specification Table
| Specification | Details |
|---|---|
| Type | Maximum and Minimum Registering Thermometer |
| Structure | U-shaped glass tube |
| Temperature Range (°C) | -30 to +60°C, 1°C graduation |
| Temperature Range (°F) | -20 to +140°F, 2°F graduation |
| Indicator Liquid | Mercury in U-bend |
| Minimum Scale Bulb | Spirit-filled glass bulb |
| Indices | Steel indices that move with liquid expansion |
| Reset Method | Magnet supplied with thermometer |
| Mounting | Plastic base |
| Scales | Separate maximum and minimum scales |
Key Features
• Records maximum and minimum temperatures over time
• Displays current temperature during use
• U-shaped glass tube with two clear scales
• Maximum and minimum scales on separate arms
• Temperature range from -30 to +60°C and -20 to +140°F
• Spirit-filled bulb for sensitive temperature response
• Mercury section in the U-bend acts as indicator
• Steel indices move with liquid expansion for accurate records
• Resetting possible through a supplied magnet
• Mounted on a strong plastic base
• Suitable for labs, weather monitoring, and environmental studies
Working Principle
Six’s Thermometer works by using the expansion and contraction of spirit in both arms of the U-shaped tube. When the temperature rises or falls, the spirit expands or contracts, causing the mercury in the U-bend to move. This movement pushes the steel indices up the tube. The lower end of each index shows the maximum or minimum temperature reached. Users reset the indices with a magnet. The thermometer continues to show the current temperature at all times.
Use Cases
• School and college laboratories
• Weather monitoring and climate studies
• Environmental data collection
• Agricultural temperature tracking
• Indoor and outdoor temperature observation
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