Tungsten-rhenium thermocouples bụ thermocouples kachasị elu maka nha okpomọkụ.Ọ bụ tumadi adabara agụụ, H2 na inert gas nchebe gburugburu ebe obibi, na kacha arụ ọrụ okpomọkụ nwere ike iru 2300 ℃.Enwere calibrations abụọ, C (WRe5-WRe26) na D (WRe3-WRe25), na izi ezi nke 1.0% ma ọ bụ 0.5%