The thermometer, which means "heat" is a measuring instrument of temperature. Since its invention has evolved a lot, mainly from the development of digital electronic thermometers. It has different scales, and the most used scale in most countries of the world is the Celsius (° C), called Celsius is the one that is most commonly used. There are different types of thermometer such as Pyrometers, Mercury thermometer, Bimetallic foil Thermometer, Gas Thermometer, Resistance Thermometer, Thermocouple, Thermistor, Digital thermometers. Other than these there are some specials ones too like balloon thermometer, wet bulb thermometer, etc. reach the sellers who can provide you a Household Thermometers within your budget and of good quality from eWorldTrade today.