How far is the infrared thermometer suitable for measurement?
Please pay attention to the distance coefficient indicated on the instrument. Generally, the larger the coefficient, the smaller the target can be measured at the same distance, or the larger the target can be measured at a greater distance.
Try to require the measured person to stay in the measurement environment for a sufficient amount of time; The measurement location should be chosen indoors as much as possible, and avoid direct sunlight on the infrared radiation thermometer and the forehead of the person being measured; To accurately estimate the distance of the person being measured; The temperature of a person's forehead is generally 1-3 degrees Celsius lower than the temperature of their armpits. In this case, the temperature data of the feverish armpits should be converted into forehead temperature data.
Infrared ear thermometers are used to measure ear temperature and can be completed within 1 second. As the eardrums and ear canals of humans are less affected by external environmental conditions, infrared ear thermometers can accurately measure body temperature. The human ear temperature is generally 0.4 degrees Celsius higher than the armpit temperature. This is the infrared ear thermometer reading that should convert the axillary temperature data with fever into ear temperature data;
To ensure the accuracy and stability of infrared radiation thermometers, regular calibration with standard calibration devices should be performed; Non contact infrared radiation thermometers are divided into industrial and medical types. When measuring body temperature, medical infrared radiation thermometers should be selected because industrial thermometers have a relatively wide range, low resolution, and large errors; Various infrared thermometers are measured from high to low accuracy: medical thermometers, infrared ear thermometers, and surface infrared radiation thermometers.
