In 1593, Galileo invented the first thermometer.

In 1654, Ferdinand made the first alcohol thermometer for each other.

In 1659, Brio produced the first mercury thermometer.

In 1714, Warren heit set the Fahrenheit temperature;

Lemuel set the formula temperate

In 1742, Lemuir set the temperature at Celsius.

With the development of science and technology and the need of modern industrial technology, a variety of new thermometers emerge as the times require.There are mainly bimetallic thermometers, gas expansion thermometers, liquid thermometers, infrared thermometers, electronic thermometers and so on.