Product Details  The measurement point diameter of this practical infrared thermometer is only 3.6 cm at a distance of 1 m. The advantage: even smaller objects such as yoghurt pots can be measured conveniently at a distance. Thanks to a 2-point laser marker, the diameter of the measurement point is displayed exactly, avoiding measurement errors. Now you can even perform multi-scanning! At two measurements per second, the testo 831 is so fast that scans of palettes of refrigerated shelving can be carried out easily. Infrared thermometer with 30:1 optics Broad measurement range of -30 to +210 °C Backlit display Alarm limit values can be set and are optically and audibly indicated Including belt holder and factory calibration certificate Also available as a set with the core thermometer testo 106 2 laser beams for marking the measurement spot Hold-function and max./min.values