用k型(镍铬——镍硅)热电偶测量炉温时,自由端温度T=30摄氏度,由电子电位差计测得 用镍铬-镍硅（K型）热电偶测量温度
\u7528\u954d\u94ec-\u954d\u7845(K)\u70ed\u7535\u5076\u6d4b\u91cf\u67d0\u7089\u6e29\u7684\u6d4b\u91cf\u7cfb\u7edf\u5982\u56fe\u6240\u793a\uff0c\u5df2\u77e5\uff1a\u51b7\u7aef\u6e29\u5ea6\u56fa\u5b9a\u57280\u2103\uff0ct0\uff1d30\u2103\u3000\u3000\u70ed\u7535\u5076\u7684\u8865\u507f\u5bfc\u7ebf\u662f\u5728\u4e00\u5b9a\u6e29\u5ea6\u8303\u56f4\u5185\uff08\u5305\u62ec\u5e38\u6e290\uff09\u5177\u6709\u4e0e\u6240\u5339\u914d\u70ed\u7535\u5076\u70ed\u7535\u52a8\u52bf\u76f8\u540c\u6807\u79f0\u503c\u7684\u4e00\u5bf9\u5e26\u6709\u7edd\u7f18\u5c42\u7684\u5230\u5bfc\u7ebf\uff0c\u7528\u4ed6\u4eec\u8fde\u63a5\u70ed\u7535\u5076\u4e0e\u6d4b\u91cf\u88c5\u7f6e\uff0c\u4ee5\u8865\u507f\u5b83\u4eec\u4e0e\u70ed\u7535\u5076\u8fde\u63a5\u5904\u7684\u6e29\u5ea6\u53d8\u5316\u6240\u4ea7\u751f\u7684\u8bef\u5dee\u3002
\u3000
\u3000\u3000\u4e5f\u5c31\u662f\u8bf4\u8865\u507f\u5bfc\u7ebf\u4e5f\u53ef\u4ee5\u4ea7\u751f\u70ed\u7535\u52bf\uff0c\u5176\u5927\u5c0f\u7b49\u4e8e\u70ed\u7535\u5076\u4e0e\u6d4b\u91cf\u88c5\u7f6e\u4e4b\u95f4\u7684\u6e29\u5dee\u7535\u52bf\u3002\u6b63\u786e\u4f7f\u7528\u65f6\uff0c\u5728\u51b7\u70ed\u7aef\u6e29\u5ea6\u4e0d\u53d8\u7684\u60c5\u51b5\u4e0b\uff0c\u968f\u7740\u70ed\u7535\u5076\u4e0e\u8865\u507f\u5bfc\u7ebf\u8fde\u63a5\u5904\u7684\u6e29\u5ea6\u53d8\u5316\uff0c\u70ed\u7535\u5076\u7684\u6e29\u5dee\u7535\u52bf\u589e\u5927\u8865\u507f\u5bfc\u7ebf\u7684\u6e29\u5dee\u7535\u52bf\u51cf\u5c0f\uff0c\u53cd\u4e4b\u4ea6\u7136\uff0c\u8fbe\u5230\u8865\u507f\u70ed\u7535\u5076\u4e0e\u6d4b\u91cf\u88c5\u7f6e\u4e4b\u95f4\u7684\u6e29\u5ea6\u53d8\u5316\u6240\u4ea7\u751f\u7684\u5f71\u54cd\u3002 \u6d4b\u91cf\u88c5\u7f6e\u6d4b\u5230\u7684\u662f\u70ed\u7535\u5076\u4ea7\u751f\u7684\u70ed\u7535\u52bf\u4e0e\u8865\u507f\u5bfc\u7ebf\u4ea7\u751f\u7684\u8865\u507f\u7535\u52bf\u7684\u53e0\u52a0\u7535\u52bf\u3002
\u4ece\u8865\u507f\u539f\u7406\u53ef\u77e5\uff1a
\u3000\u3000\u5f53\u70ed\u7535\u5076\u4e0e\u8865\u507f\u5bfc\u7ebf\u8fde\u63a5\u5904\u7684\u6e29\u5ea6\u9ad8\u4e8e\u63a7\u5236\u5ba4\u6e29\u5ea6\u65f6\uff0c \u8865\u507f\u5bfc\u7ebf\u7684\u8865\u507f\u7535\u52bf\u4e3a\u6b63\uff0c\u5e94\u8be5\u662f\u70ed\u7535\u5076\u4ea7\u751f\u7684\u70ed\u7535\u52bf\u3010\u52a0\u4e0a\u3011\u8865\u507f\u5bfc\u7ebf\u4ea7\u751f\u7684\u8865\u507f\u7535\u52bf\uff0c\u63a5\u53cd\u4e86\u76f8\u5f53\u4e8e\u52a0\u4e0a\u4e86\u4e00\u4e2a\u8d1f\u503c\u4f1a\u4f7f\u6307\u793a\u504f\u4f4e\uff1b
\u3000\u3000\u5f53\u70ed\u7535\u5076\u4e0e\u8865\u507f\u5bfc\u7ebf\u8fde\u63a5\u5904\u7684\u6e29\u5ea6\u4f4e\u4e8e\u63a7\u5236\u5ba4\u6e29\u5ea6\u65f6\uff0c \u8865\u507f\u5bfc\u7ebf\u7684\u8865\u507f\u7535\u52bf\u4e3a\u8d1f\uff0c\u5e94\u8be5\u662f\u70ed\u7535\u5076\u4ea7\u751f\u7684\u70ed\u7535\u52bf\u3010\u51cf\u53bb\u3011\u8865\u507f\u5bfc\u7ebf\u4ea7\u751f\u7684\u8865\u507f\u7535\u52bf\uff0c\u63a5\u53cd\u4e86\u76f8\u5f53\u4e8e\u51cf\u53bb\u4e86\u4e00\u4e2a\u8d1f\u503c\u4f1a\u4f7f\u6307\u793a\u504f\u9ad8\uff1b
\u3000\u3000\u5f53\u70ed\u7535\u5076\u4e0e\u8865\u507f\u5bfc\u7ebf\u8fde\u63a5\u5904\u7684\u6e29\u5ea6\u7b49\u4e8e\u63a7\u5236\u5ba4\u6e29\u5ea6\u65f6\uff0c\u8865\u507f\u5bfc\u7ebf\u7684\u8865\u507f\u7535\u52bf\u4e3a\u96f6\uff0c\u5bf9\u6307\u793a\u6ca1\u6709\u5f71\u54cd\u3002
\u67e5\u5206\u5ea6\u8868\u51b7\u7aef\u6e29\u5ea6\u4e3a40\u2103\u662f1.612mV\uff0c\u752829.188mv\u51cf\u53bb1.612mV\u5f9727.576mV,\u518d\u67e5\u5206\u5ea6\u8868\u5bf9\u5e94663.03\u2103
\u4e00\u3001\u8be5\u79cd\u70ed\u7535\u5076\u7684\u6b63\u8d1f\u6781\u4e3a\u542b\u94ec10%\u7684\u954d\u94ec\u5408\u91d1\uff08PK\uff09\uff0c\u8d1f\u6781\u4e3a\u542b\u78453%\u7684\u954d\u7845\u5408\u91d1\uff08KN\uff09\u3002\u8d1f\u6781\u4eb2\u78c1\uff0c\u4f9d\u636e\u6b64\u7279\u6027\uff0c\u7528\u78c1\u94c1\u53ef\u4ee5\u5f88\u65b9\u4fbf\u5730\u9274\u522b\u51fa\u70ed\u7535\u5076\u7684\u6b63\u8d1f\u6781\u3002\u7279\u70b9\u662f\uff0c\u4f7f\u7528\u6e29\u5ea6\u8303\u56f4\u5bbd\uff0c\u9ad8\u6e29\u4e0b\u6027\u80fd\u7a33\u5b9a\uff0c\u70ed\u7535\u52a8\u52bf\u4e0e\u6e29\u5ea6\u7684\u5173\u7cfb\u8fd1\u4f3c\u7ebf\u6027\uff0c\u4ef7\u683c\u4fbf\u5b9c\uff0c\u56e0\u6b64\uff0c\u662f\u76ee\u524d\u7528\u91cf\u6700\u5927\u7684\u4e00\u79cd\u70ed\u7535\u5076\u3002K\u578b\u70ed\u7535\u5076\u9002\u4e8e\u5728\u6c27\u5316\u6027\u53ca\u60f0\u6027\u6c14\u6c1b\u4e2d\u8fde\u7eed\u4f7f\u7528\u3002\u77ed\u671f\u4f7f\u7528\u6e29\u5ea6\u4e3a1200\u2103\uff0c\u957f\u671f\u4f7f\u7528\u6e29\u5ea6\u4e3a1000\u2103\u3002
\u4e8c\u3001K\u578b\u70ed\u7535\u5076\u6709\u4ee5\u4e0b\u7f3a\u70b9\uff1a
1\u3001\u70ed\u7535\u52a8\u52bf\u7684\u9ad8\u6e29\u7a33\u5b9a\u6027\u8f83\u8d35\u91d1\u5c5e\u70ed\u7535\u5076\u5dee\u3002\u5728\u8f83\u9ad8\u6e29\u5ea6\u4e0b\uff0c\u5f80\u5f80\u56e0\u6c27\u5316\u800c\u635f\u574f\u3002\u5728\u6c27\u5316\u6027\u6c14\u6c1b\u4e2d\uff0c\u76f4\u5f843.2MM\u7684K\u578b\u70ed\u7535\u5076\uff0c\u57281100\u2103\uff0c1200\u2103\u4e0b\u7ecf650h\u5de6\u53f3\uff0c\u5747\u8d85\u8fc70.75\u7ea7\u5141\u8bb8\u8bef\u5dee\uff1b
2\u3001\u5728250-550\u2103\u8303\u56f4\u5185\u77ed\u671f\u70ed\u5faa\u73af\u7a33\u5b9a\u6027\u4e0d\u597d\uff0c\u5373\u4f7f\u5728\u540c\u4e00\u6e29\u5ea6\u70b9\u4e0a\uff0c\u5728\u5347\u964d\u6e29\u8fc7\u7a0b\u4e2d\u5176\u70ed\u7535\u52a8\u52bf\u503c\u4e5f\u4e0d\u4e00\u6837\uff0c\u5176\u5dee\u503c\u53ef\u8fbe2-5\u2103\u3002
3\u3001K\u578b\u70ed\u7535\u5076\u7684\u8d1f\u6781\uff0c\u5728150-200\u2103\u8303\u56f4\u5185\u8981\u53d1\u751f\u78c1\u6027\u8f6c\u53d8\uff0c\u81f4\u4f7f\u5728\u5ba4\u6e29\u81f3230\u2103\u8303\u56f4\u5185\uff0c\u5206\u5ea6\u503c\u5f80\u5f80\u504f\u79bb\u5206\u5ea6\u8868\uff0c\u5c24\u5176\u5728\u78c1\u573a\u4e2d\u4f7f\u7528\u65f6\uff0c\u5e38\u51fa\u73b0\u4e0e\u65f6\u95f4\u65e0\u5173\u7684\u70ed\u7535\u52a8\u52bf\u5e72\u6270\u3002
4\u3001\u957f\u671f\u5904\u4e8e\u9ad8\u901a\u91cf\u4e2d\u5b50\u6d41\u8f90\u7167\u7684\u73af\u5883\u4e0b\uff0c\u7531\u4e8e\u8d1f\u6781\u4e2d\u7684Mn\uff0cCo\u7b49\u5143\u7d20\u53d1\u751f\u8715\u53d8\uff0c\u4f7f\u5176\u7a33\u5b9a\u6027\u6b20\u4f73\uff0c\u5bfc\u81f4\u70ed\u7535\u52a8\u52bf\u53d1\u751f\u8f83\u5927\u53d8\u5316\u3002
K\u578b\u70ed\u7535\u5076\u7684\u5206\u5ea6\u53f7\u4ee5\u524d\u4e3aEU-2\uff0c\u73b0\u5728\u4e3aK\u3002
1.203+37.724=38.927mv
查表，38.927mv对应约940.3摄氏度
我是从事热电偶的
900多度，可以查热电偶分度表
应该是910度
绛旓細璁＄畻浠ュ紡EAB(t銆0鈩)锛滶AB(t銆乼n)锛婨AB(tn銆0鈩)涓虹悊璁轰緷鎹.棣栧厛鐢ㄦ按閾舵俯搴﹁娴嬪嚭鐑數鍋鍐风娓╁害tn ,鐒跺悗鍦ㄨ绫荤儹鐢靛伓鐨勫垎搴﹁〃涓煡鍑篍AB(tn銆0鈩),鍐嶄笌鐑數鍋舵墍娴嬪緱鐨勭數鍔縀AB(t銆乼n)鐩稿姞,鍏跺拰鍗虫槸琛ユ鍚庣殑鐑數鍔縀AB(t銆0鈩),鏈鍚庡湪鍒嗗害琛ㄤ腑鏌ュ嚭瀵瑰簲鐨勬俯搴﹀,姝ゆ俯搴﹀氨鏄儹鐢靛伓鐑...
绛旓細濡傛灉鐑數鍋寤堕暱绾跨敤鏅氱殑閾滅嚎锛屽皢鏃犳硶琛ュ伩鍐风50鈩冧笌瀹ゅ唴20鈩冪殑娓╁樊锛屼华琛ㄦ祴寰楃殑鐐夋俯鍙湁770鈩冿紱濡傛灉鐢ㄨˉ鍋垮绾匡紝灏卞彲浠ヨˉ鍋垮喎绔50鈩冧笌瀹ゅ唴20鈩冪殑娓╁樊锛屼华琛ㄦ祴寰楃殑鐐夋俯灏辨槸800鈩冦備娇鐢ㄤ笉鍚岀殑瀵肩嚎涓よ呯浉宸30鈩冦傜儹鐢靛伓绠浠 鍦ㄥ伐涓氱敓浜ц繃绋嬩腑锛屾俯搴︽槸闇瑕娴嬮噺鍜屾帶鍒剁殑閲嶈鍙傛暟涔嬩竴銆傚湪娓╁害娴嬮噺涓紝鐑數鍋...
绛旓細K鍨嬬儹鐢靛伓鐨勫垎搴﹀彿浠ュ墠涓篍U-2锛岀幇鍦ㄤ负K銆
绛旓細閫氳繃鐢靛娍鍊兼煡鍑哄搴旂殑娓╁害锛岀劧鍚庡姞涓30搴﹀嵆鍙
绛旓細銆愮瓟妗堛戯細鐢盩0=30鈩冩煡鍒嗗害琛ㄥ緱E(30锛0)=1.2mV锛屽垯E(T锛0)=E(T锛30)+E(30锛0)=39.17+1.2=40.37mV鍐嶇敤40.37mV鏌ュ垎搴﹁〃锛屽緱977鈩冿紝鍗冲疄闄呯倝娓╀负977鈩冦傝嫢鐩存帴鐢ㄦ祴寰楃殑鐑數鍔39.17mV鏌ュ垎搴﹁〃锛屽垯鍏跺间负946鈩冿紝鏁呬骇鐢-31鈩冪殑娴嬮噺璇樊銆
绛旓細鏌ヨ〃锛30鎽勬皬搴︼細1.203mv 1.203+37.724=38.927mv 鏌ヨ〃锛38.927mv瀵瑰簲绾940.3鎽勬皬搴
绛旓細鏌K鍨嬮晬閾-闀嶇鐑數鍋鍒嗗害琛紝鐑數鍔夸负39.17mV鏃讹紝鐑鍜屽喎绔殑娓╁害宸害涓946.5鈩冿紝鍐风娓╁害涓30鈩冿紝閭ｄ箞鐑琚祴浠嬭川鐨勫疄闄呮俯搴︿负锛946.5鈩+30鈩=976.5鈩冦
绛旓細鐑數鍋鐨勮ˉ鍋垮绾挎槸鍦ㄤ竴瀹氭俯搴﹁寖鍥村唴锛堝寘鎷父娓0锛夊叿鏈変笌鎵鍖归厤鐑數鍋剁儹鐢靛姩鍔跨浉鍚屾爣绉板肩殑涓瀵瑰甫鏈夌粷缂樺眰鐨勫埌瀵肩嚎锛岀敤浠栦滑杩炴帴鐑數鍋朵笌娴嬮噺瑁呯疆锛屼互琛ュ伩瀹冧滑涓庣儹鐢靛伓杩炴帴澶勭殑娓╁害鍙樺寲鎵浜х敓鐨勮宸備篃灏辨槸璇磋ˉ鍋垮绾夸篃鍙互浜х敓鐑數鍔匡紝鍏跺ぇ灏忕瓑浜庣儹鐢靛伓涓庢祴閲忚缃箣闂寸殑娓╁樊鐢靛娍銆傛纭娇鐢ㄦ椂锛屽湪鍐风儹绔...
绛旓細鏌ヨ〃鍙栧緱40鈩冨搴旂殑鐑數鍔挎槸1.612mv 瀹炴祴寰楀埌鐨勭儹鐢靛娍29.188mv K鍨嬬儹鐢靛伓娴嬮噺寰楀埌鐨勭儹鐢靛娍鐞嗚鏄細1.612+29.188=30.8mv 鍙嶆煡鍒嗗害鍙疯〃锛屽搴30.8mv鐨勬槸740鈩
绛旓細鐢鐑數鍋涓棿娓╁害瀹氬緥锛氣滅儹鐢靛伓鍥炶矾涓ゆ帴鐐(娓╁害涓篢銆乀0)闂寸殑鐑數鍔匡紝绛変簬鐑數鍋跺湪娓╁害涓篢銆乀n鏃剁殑鐑數鍔夸笌鍦ㄦ俯搴︿负Tn銆乀0鏃剁殑鐑數鍔跨殑浠ｆ暟鍜屻俆n绉颁腑闂存俯搴︺傗濆彲鐭ワ細E(T,T0)=E(T,Tn)+E(Tn,To)鍥句腑鐑數鍋剁殑鍐风儹绔垎鍒负 tx銆乼2锛屽嵆mV琛ㄨ鏁颁负E(T,Tn)=E(tx銆乼2)=29.556mv 鍐嶆煡...
