This standard specifies the technical requirements, test methods and graduation tables for industrial copper thermal resistors. This standard applies to copper thermal resistors in the whole or part of the temperature range of -50 to +150°C.
JB/T 8623-1997 history
2015JB/T 8623-2015 Specification and reference table of industrial copper resistance thermometers
1997JB/T 8623-1997 Technical specification and reference table for industrial copper thermal resistance