The difference between human body and industrial thermometers
The human infrared thermometer is mainly used to measure the temperature of the human body, while the industrial infrared thermometer, as the name suggests, is mainly used in the industrial field. However, it must be clarified that there is no distinction between specialized medical or industrial infrared thermometers, as the manufacturing principles of infrared thermometers are consistent. There is only a distinction between high precision, high distance coefficient ratio, and high-performance infrared thermometers and low precision, low distance coefficient ratio, and low performance infrared thermometers. As long as the emissivity of the infrared thermometer is set to 0.95 (the emissivity of human skin is generally this value, and even if there is a difference, the impact is only within 0.2 degrees), it meets the requirements for human temperature measurement.
One is that the human infrared thermometer has a small temperature measurement range of 30-42.5 degrees, but the displayed accuracy is high. The industrial infrared thermometer has a large range, such as being able to measure -50 to 2200 degrees.
The second is that the human infrared thermometer needs to be close to the human body, within 1-15cm, and the industrial infrared thermometer needs to be greater than 1M. If measuring the temperature of molten steel, people cannot be too close, and some require about 10M. Measuring near and far mainly refers to the intensity of the infrared waves emitted by the thermometer. The infrared wave of the human body infrared thermometer is too strong and harmful to the human body, so it is not necessary.
Therefore, we can choose a suitable thermometer according to the needs, which can be divided into three aspects: performance indicators, such as temperature range, spot size, working wavelength, measurement accuracy, response time, etc; In terms of environment and working conditions, such as environmental temperature, windows, display and output, and protective accessories; Other options, such as ease of use, maintenance and calibration performance, and price, also have a certain impact on the selection of infrared thermometers.
