Lämpötilalukeman

Lämpötilalukema refers to a measurement of temperature. It is a numerical value indicating the degree of hotness or coldness of a substance or environment. Temperatures are typically measured using a thermometer, which relies on physical properties that change with heat, such as the expansion of liquids or the electrical resistance of materials. Common scales used for temperature readings include Celsius, Fahrenheit, and Kelvin. The Celsius scale, often denoted by °C, is widely used internationally, with 0°C representing the freezing point of water and 100°C representing its boiling point at standard atmospheric pressure. The Fahrenheit scale, denoted by °F, is primarily used in the United States, where water freezes at 32°F and boils at 212°F. The Kelvin scale, denoted by K, is the base unit of thermodynamic temperature in the International System of Units (SI) and is often used in scientific contexts, with absolute zero (the theoretical lowest possible temperature) being 0 K. Accurate lämpötilalukema readings are crucial in various fields, including meteorology, medicine, industry, and everyday life, for monitoring weather, diagnosing illnesses, controlling manufacturing processes, and ensuring comfort.