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2. Setting suitable Emissivity
Adjusting correct surface emissivity is the key to the accuracy of temperature.

3. A deep understanding of radiology
Thermal imagers are passive. They receive all infrared radiation from target, that also means they are effected by infrared
radiation from other objects at the same time. It is the reason why sometimes temperature read is higher or lower than actual temperature.

4. Don’t ignore fine temperature distinction
Many infrared programs use the temperature difference measurements as a reference point when evaluating the severity of the problem. However, these infrared programs do not realize that the temperature detected may actually be much higher than the temperature indicated by the thermal imager. For example, reflective metal surfaces have extremely low emissivity and may provide false surface temperature readings.

5. Selecting correct thermal camera
In examining the building's exterior, a lack of thermograph resolution means you may miss small cracks in the insulation or areas of air leakage. An entry-level thermal imager has many important uses, but some application scenarios do require high parameters