Intambo yohlobo B ye-thermocouple iwuhlobo olukhethekile lwekhebula lokunwetshwa kwe-thermocouple elidizayinelwe izinhlelo zokusebenza ezisezingeni eliphezulu. Ihlanganiswe ingxubevange ye-platinum-rhodium (PtRh30-PtRh6), intambo ye-thermocouple yohlobo lwe-B inikeza ukunemba okukhethekile nokuzinza emazingeni okushisa afika ku-1800°C (3272°F). Lolu cingo luvame ukusetshenziswa ezimbonini ezifana ne-aerospace, izimoto, ne-metallurgy, lapho ukukalwa okunembile kwezinga lokushisa kubalulekile ekulawuleni inqubo nokuqinisekiswa kwekhwalithi. Yaziwa ngokumelana kwayo okuphezulu ne-oxidation kanye nokugqwala, okuyenza ifanelekele izindawo ezinokhahlo. Intambo ye-thermocouple yohlobo B iyahambisana nama-thermocouples ohlobo B ojwayelekile futhi ingaxhunywa kalula kumathuluzi okulinganisa izinga lokushisa noma amasistimu okulawula ukuze kuqashwe izinga lokushisa elinembile. Ithola izinhlelo zokusebenza kuma-kilns, kwiziko, kumaturbine egesi, nakwezinye izindawo ezinezinga lokushisa eliphezulu lapho kuhlangatshezwana khona namazinga okushisa aphezulu.