PRODUCT DESCRIPTION
The TH-18 is an alcohol minimum thermometer that registers the lowest air temperature since reset, using a sliding index inside the alcohol column. Its −52 to 41°C range and high-borosilicate glass body are made for Stevenson-screen use in all climates.
Paired with a maximum thermometer, it completes the traditional daily temperature record at meteorological stations.
SPECIFICATIONS
| Measuring Range | −52 to 41°C |
| Accuracy | 0.5°C |
| Error | ±0.5°C |
| Length | 360 mm |
| Diameter | 17 mm |
| Liquid | Alcohol |
| Glass | High-borosilicate glass |
| Output / Communication | Manual reading |
| Power Supply | No external power |
PRODUCT APPLICATION
The TH-18 minimum thermometer is widely used for minimum air-temperature observation in a Stevenson screen.
It is suitable for weather stations, frost monitoring in agriculture, and climate archives keeping daily minimum records.





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