1. The non-contact infrared thermometer does not touch the object itself when measuring the object, and has no effect on the object itself, while the contact temperature measurement needs to contact the surface of the object to be measured, so the temperature measuring instrument itself and the object to be measured are not affected. It has the influence of contact, pollution and corrosion.
2. The non-contact infrared thermometer detects the surface temperature of the object, has a fast response speed, and can measure the moving object and the transient temperature, while the contact infrared thermometer is not suitable for measuring the transient temperature.
3. The non-contact infrared thermometer has a wide measurement range, while the contact infrared thermometer has a narrow measurement range and is time-consuming and labor-intensive.