The Extech 1RK13 is a surface temperature probe that measures temperatures from -58 to +482°F (-50 to +250°C). It has a 1 meter cable and a type K thermocouple sensor. The probe is constructed of stainless steel and has a pointed tip for direct surface temperature measurement. It is compatible with thermocouple temperature meters and data loggers. The probe allows for non-contact surface temperature measurement and is ideal for HVAC, food service, industrial, R&D, and other applications requiring surface temperature measurement. It has fast response time and high accuracy. The 1RK13 provides an easy and accurate way to measure surface temperatures.