Noble metal thermocouples measure temperatures in high temperature applications such as hot blast furnace, pellet stove and fluidised bed. Noble metal platinum conductors, used in the thermocouples, have good resistance to oxidation and corrosion at high temperatures. The thermocouples are built with twin/four hole 99.4% pure recrystallised alumina (KER 710) insulators as standard which have very high wear resistance. They can also be made in non metals like silicon carbide and in mineral insulated versions like inconel and moly sheath. For even higher measuring temperatures, single as well as dual protection tubes are available. The thermocouple measure temperatures upto 1700 deg C. The sheath is cemented inside a SS collar for mounting to the terminal head which ensures a rigid connection. The thermocouple are made in options of welded as well as adjustable flanges and threaded process connections made of stainless steel. They are also available with other process mountings and assembly options.
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