... infrared thermometer -50aa ~ 480aa, distance than 12:1, safe to use in a stable and solid temperatur Product Name: TM350+ handheld non-contact ... 50°C ~ 480°C, distance than 12:1, safe to use in a stable and solid temperature measuring instrument, the best choice of ... non-contact temperature measurement diagnosis. Can be widely used in heating, ventilation, electricity, transportation and other fields.