This standard specifies the product classification, technical requirements, test methods, inspection rules, supply methods, packaging and signs of nickel-chromium-gold-iron and copper-gold-iron thermocouple wires. This standard applies to the manufacture of industrial nickel-chromium-gold-iron and copper-gold-iron thermocouple alloy wires.
GB/T 2904-2010 Referenced Document
GB/T 16701 Methods for measuring the thermoelectric force of noble metal and base metal thermocouple wires
GB/T 2904-2010 history
2010GB/T 2904-2010 Nickel-Chromium/Gold-Iron,Copper/Gold-Iron low temperature thermocouple wires
1982GB/T 2904-1982 Nickel-Chromium/Gold-Iron,Copper/Gold-Iron low temperature thermocouple wires and their reference tables