ITEM NAME:80mm x 3mm Probe K Type 0-500C Temperature Range Coiled Thermocouple 1M R3V5 80mm x 3mm Probe K Type 0-500C Temperature Range Coiled Thermocouple 1M R3V5 Product Name : Thermocouple; Transfer Type : K Temperature Range : 0 to 500 Celsius; Probe Size : 80 x 3mm/ 3.15" x 0.12" (L*D) Cable Length : 1M External Material : Plastic, Metal Fork Terminal Spacing : 5.5mm/ 0.22"; Color : Yellow Weight : 23g; A thermocouple is a device consisting of two different conductors (usually metal alloys) that produce a voltage proportional to a temperature difference between either end of the pair of conductors. Widely used in science and industry applications including temperature measurement for kilns, gas turbine exhaust, crude oil engine engines, and other industrial processes. Package Content : 1 x Thermocouple Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.