What is a laser thermometer?

A laser thermometer, or infrared thermometer, is a device used to measure temperature from a distance without making physical contact with the object being measured. It detects infrared radiation emitted by an object and converts it into an electronic signal which is then displayed as a temperature reading.

How does a laser thermometer work?

Laser thermometers work based on the principle of infrared radiation emitted by all objects above absolute zero temperature. The thermometer uses a lens to focus infrared radiation from the object onto a detector, which then calculates the temperature based on the amount of infrared energy detected.