Question

How a digital thermometer works if it doesn't have mercury?

Answer 1

Digital thermometers are slowly replacing the conventional mercury thermometer due to the ease of taking a reading. People often have the misconception that it contains mercury. Digital Thermometers are mercury free. These thermometers contain thermistor inside the tip which is used to measure the temperature. They provide quick and highly accurate results over the body temperature range. These thermometers are easy to read with LCD display on them. They are equipped with beep alarm & memory function and can record a wide range of temperature. It is three in one thermometer as it can record oral, auxiliary and rectal temperatures.