Flange explosion-proof industrial grade thermocouples and RTDs are mainly used in industrial assembly occasions, thermocouples use first-class imported thermocouple wires, RTDs imported grade A or AA of the German core, tubes are thickened 316, 304, 310, 2520 and specific wear-resistant or corrosion-resistant materials, mainly ordinary, platinum-rhodium type, corrosion-resistant, wear-resistant, with a variable transmission type. Applied in food, chemical, boiler, electric furnace, oven, engineering and other industries.