The infrared thermometer Model ST663 is a non-contact infrared temperature measuring instrument. The wide temperature reading from -50 to 999 °C keep users far away from the potential risks. To measure a temperature, point the unit at the object until the temperature is read, pull the measuring trigger and hold. Make sure the target area is larger than the units' spot size.
Temperature Range: -50 to 999 °C Resolution: 1 °C Accuracy: See pdf Distance to Spot ratio: 12:1