怎样区分热电偶型号?
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CHANGYONGREDIANOUKEFENWEIBIAOZHUNREDIANOUHEFEIBIAOZHUNREDIANOULIANGDALEI。SUODIAOYONGBIAOZHUNREDIANOUSHIZHIGUOJIABIAOZHUNGUIDINGLEQIREDIANSHIYUWENDUDEGUANXI、YUNXUWUCHA、BINGYOUTONGYIDEBIAOZHUNFENDUBIAODEREDIANOU,TAYOUYUQIPEITAODEXIANSHIYIBIAOKEGONGXUANYONG。FEIBIAOZHUNHUAREDIANOUZAISHIYONGFANWEIHUOSHULIANGJISHANGJUNBUJIBIAOZHUNHUAREDIANOU,YIBANYEMEIYOUTONGYIDEFENDUBIAO,ZHUYAOYONGYUMOUXIETESHUCHANGHEDECELIANG。
S、B、E、K、R、J、TQIZHONGBIAOZHUNHUAREDIANOUWEIWOGUOTONGYISHEJIXINGREDIANOU。
REDIANOUDEFENDUHAOYOUZHUYAOYOUS、R、B、N、K、E、J、TDENGJIZHONG。QIZHONGS、R、BSHUYUGUIJINSHUREDIANOU,N、K、E、J、TSHUYULIANJINSHUREDIANOU。
以下是对热电偶分度号的解释
S 铂铑10 纯铂
R 铂铑13 纯铂
B 铂铑30 铂铑6
K 镍铬 镍硅
T 纯铜 铜镍
J 铁 铜镍
N 镍铬硅 镍硅
E 镍铬 铜镍
(S型热电偶)铂铑10-铂热电偶
铂铑10-铂热电偶(S型热电偶)为贵金属热电偶。偶丝直径规定为0.5mm,允许偏差-0.015mm,其正极(SP)的名义化学成分为铂铑合金,其中含铑为10%,含铂为90%,负极(SN)为纯铂,故俗称单铂铑热电偶。该热电偶长期最高使用温度为1300℃,短期最高使用温度为1600℃。