Product name: thermocouple Type: PT100 Temperature range: 0C-150C Probe Size: 0.5 x 10cm / 0.2inch x 3.9inch (L*D) Thread Diameter: 8mm / 0.31 inch A thermocouple is a device made up of two different conductors (usually metal alloys) that produce a voltage proportional to the temperature difference between the ends of a pair of conductors. This thermocouple has 3 fork contacts and is spring loaded to protect the sensor. Widely used in science and industry, including temperature measurement of furnaces, gas turbine exhaust gases, crude oil engines and other industrial processes. Outer material: plastic, metal, rubber Overall length: 1m / 39.4 inch . Distance between fork terminals: 0.5 m / 0.196 inch. Main color: white, silver. Net weight: 44g Material: plastic, metal, rubber Color: as shown in the picture packaging: 1 x thermocouple Only the above package content, other are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The allowable measurement error is +/- 1-3cm.