How Does A Laser Thermometer Work When the COVID pandemic broke out, everyone wanted to opt for items which were not touched by too many people. This was the time when if you entered a public place there would be a security person taking temperatures of people with a thermometer shaped lik e a small gun. Such a thermometer was either an infrared or laser thermometer Singapore or elsewhere. Handheld laser thermometers that are easy to use and affordable use a single - point laser pointer to show the centre of the measuring spot with some paral lax error. Here, it is up to the user to calculate the measuring spot's size using the distance and measuring spot diagram. The measured temperature will be represented as the average difference between the hot and cold surface areas of the monitoring spot if the measurement object only captures a portion of the measuring spot. Before the pandemic laser thermometers were mainly used in mechanical industrial set - ups where they gave precise measurement of the temperature of objects. However, with the need for checking the temperature of a person from a safe distance, these thermometers were also used in public places. Of course, infrared thermometers were more popular compared to the laser ones because they were less expensive. However, there were the public p laces especially in advanced countries like Singapore where the administration of these public places did not want to take any chances and hence they opted for laser thermometer Singapore . The best part is that the laser thermometer is accurate but require s the proper skills for measuring the temperature of a person from a distance. Laser thermometers are easily available in online stores selling medical equipment, and the popular market places like Amazon and EBay. So if you have a child, pet or a senior citizen in your family then it is a good idea to use a laser thermometer to enable precise measurement of the temperature.