What advantage of household bimetallic thermometer?

In life where we use thermometer very much, it is particularly important to choose the green environmental protection thermometer, the bimetallic thermometer is the most popular among your many thermometer, is the best choice for millions of mother, why is this kind of thermometer would be so popular? This kind of thermometer what are the advantages? Let's look at the next time. First of all, we in the structure of the bimetallic thermometer, the thermometer have adopted two different metal construction, using the principle of heat bilges cold shrink to achieve the purpose of the measured temperature, the thermometer is not easy to break, also not easy to crack, even if is used for water temperature, or the temperature of the milk powder, you don't have any worry, because this kind of thermometer will not be at all. Second, the bimetallic thermometer class no mercury liquid inside, will not result in a mercury pollution, thus is widely used in food industry as well as some industries, because of this thermometer thermometer is environmental protection, so is very popular, in addition, this kind of thermometer is convenient to carry, even air also won't have any danger, the thermometer is worth you choose.