Thermometers are a reliable way to tell the temperature of a person or room, which can be vital information for many scenarios in the home and workplace.
Digital thermometers work by using heat sensors that determine body temperature. They can be used to take temperature readings in the mouth, rectum, or armpit. When assessing digital thermometer readings, keep in mind that armpit (axillary) temperature runs about ½ to 1°F (0.6°C) cooler than oral readings.