This standard specifies the technical requirements for thermocouple wires for tungsten-rhenium 3-tungsten-rhenium 25 and tungsten-rhenium 5-tungsten rhenium 26 thermocouples with a temperature range of 0°C to 2300°C.
JB/T 9497-2002 history
2002JB/T 9497-2002 Tungsten-rhenium thermocouple wires and temperature-electromotive force (EMF) tables