No matter how precise the instrument is, there will be errors. Infrared thermometers are also subject to errors. The accuracy of general thermometers is around ±2%.
When measuring lower temperatures, the error will not be large and can be almost ignored. However, when industrial infrared thermometers need to measure thousands of degrees Celsius, the error will be more obvious. Error = measurement temperature accuracy (error = 1000℃±2%=±20℃). For example, if a thermometer with an accuracy of ±2% measures 1000℃, the measurement error will reach ±20℃. This error range is unacceptable in many industrial manufacturing industries. However, some industrial-grade high-precision infrared thermometers can achieve an accuracy of ±0.5%, that is, when measuring 1000 degrees Celsius, the error is only ±5℃.
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