Oversized Galileo thermometer

Galileo thermometer, English: Galileo thermometer) Is a cylinder made of glass, transparent liquid, and different density of the weight of the thermometer. When temperature changes, the density of the fluid will change, make the suspension weights to move up and down, until the liquid density is equal with the surrounding. The lowest density weight can be in the top, the highest in the bottom. Each weight hanging engraved with the metal disk, digital reading surrounding temperature, find suspended at the top at the bottom of the most weight. Oversized Galileo thermometer height 1800 mm, the outer diameter of 100 mm, temperature range - 10 - Only 50 c, ball number 31, every little glass ball is equipped with a different colored liquid. The composition of liquid does not affect the operation of the thermometer, the color is just for decoration. After glass blowing seal, the equivalent density of small glass ball will hang by the metal disk to reset. Because the volume of a glass ball is fixed, the temperature of gas, liquid expansion will not be a significant impact. Transparent liquid around is not water, but some density with temperature change is greater than the water of some organic solvents. Galileo thermometer products beautiful, can measure about the scope of the indoor temperature, the thermometer is interior decoration. Oversized Galileo thermometer is often used in science and technology museum, the museum exhibition.