Tungsten-rhenium thermocouples jẹ awọn thermocouples ti o ga julọ fun wiwọn iwọn otutu. O dara julọ fun igbale, H2 ati agbegbe aabo gaasi inert, ati iwọn otutu ti o pọ julọ le de ọdọ 2300℃. Awọn isọdiwọn meji wa, C (WRe5-WRe26) ati D (WRe3-WRe25), pẹlu deede 1.0% tabi 0.5%