Type metal,  alloy solution thermocouple uses the high temperature special quartz glass outer tube, inside installs the small diameter corundum tube or the quartz tube, and flushes the protection atmosphere to form the double layer anti-corrosion temperature nonmetallic protective cover ), The protection tube is equipped with corundum tube or armored structure composed of temperature thermocouple, can be directly into the copper solution, aluminum solution, copper nickel, aluminum-nickel alloy solution and other metal solution temperature

1) model specifications

2) standard size