Liquid thermometers

Introduction

Mercury thermometer

Thermometers using thermal expansion of liquid' (mercury). The capillary (the air is exhausted from it) expands at the lower end into a cylindrical container filled with mercury.

Mercury thermometers can be used to measure temperatures from −39 to +250 °C. For lower temperatures, thermometers filled with colored "toluene or ethyl alcohol" are used.

Medical Thermometer

It is used to measure body temperature (range 35-42 °C), the mercury level here remains at the highest measured value and must be cellared after use.

Links

Source

• KUBATOVA, Senta. Biofot [online]. [cit. 2011-01-31]. <https://uloz.to/!CM6zAi6z/biofot-doc>.