Surface Test ThermocoupleProduct Details1.Made of stainless steel, it will not rust easily, and it can withstand high temperatures and corrosion. High precision, used for measuring surface temperature, fast temperature measurement. Lightweight and easy to carry. Durable retractable spring wire is not easy to break.2.Wire Length: 1.55M / 5.1ft; Probe Size: 15 x 15mm / 0.6 x 5.3 inch (OD x L); Temperature Range: -50~500 °C; In the package of: 1 x Surface Test Thermocouple3.K type handheld surface thermocouple probe is mainly used to measure the temperature range, especially for industrial applications, to measure the surface temperature of various solids.4.Connect the plug to the temperature display instrument, insert the measuring end into the liquid and gas or make close contact with the solid surface.5.