Capillary thermometer is what? Instrument to solve for you: capillary thermometer is pressure type thermometer. Pressure type thermometer, is based on the sealing temperature measuring system of liquid evaporation changes in the relationship between saturated vapor pressure and temperature, the thermometer for temperature measurement. When bulb feel temperature, saturated vapor produced the corresponding pressure in the closed system, cause the change of curvature elastic element, make its produce a shift in the free end, again by the displacement amplification mechanism of gear into the indicated value. Pressure type thermometer with a bulb small volume, fast response, high sensitivity and direct reading, etc. Capillary thermometer is suitable for measuring all kinds of industrial occasions for copper corrosion medium temperature, if the medium corrosion were role should choose anti-corrosion type. Pressure type thermometer is widely used in machinery, textile, chemical, pharmaceutical, food industry for the temperature measurement and control in the process of production.