Tungsten Rhenium Thermocouple Wire Product Name: WRe3-WRe25; WRe5-WRe26;WRe5-WRe20 Index Number: WRe3-WRe25 (Type D); WRe5-WRe26 (Type C); WRe5-WRe20 (Type A) Production Grade,Specification,Temperature Range,Deviation: Thermoelectromotive Tolerance for Type D,Type C Grade Specification (mm) Temperature Range (â??) Deviation â?  �¦0.08ï¼?�¦0.1 1500-1800 �±0.125%tâ?? �¦0.5 400-2315 �±0.5%t â?¡ �¦0.08ï¼?�¦0.1 1500-1800 �±0.25%tâ?? �¦0.5 400-2315 �±1%â?? Thermoelectromotive Tolerance for Type A Grade Specification (mm) Temperature Range () Deviation 0.5 400-2500 ±0.5%t 0.5 400-2500 ±1%t