中国住房和城乡建设部网站建造师东莞网站建议

K型热电偶电动势以及温度基本成线型增加，而且电动势较小，需要一个比较精准的ADC，或者加放大电路能放大这个电动势，不然检测不到温度。

温度	电动势/mv
0	0
5	0.1979
10	0.3969
15	0.597
20	0.7981
25	1.0002
30	1.2033
35	1.4071
40	1.6118
45	1.8171
50	2.0231
55	2.2296
60	2.4365
65	2.6437
70	2.8512
75	3.0589
80	3.2666
85	3.4743
90	3.6819
95	3.8892
100	4.0962
105	4.3029
110	4.5091
115	4.7147
120	4.9199
125	5.1244
130	5.3284
135	5.5317
140	5.7345
145	5.9367
150	6.1383
155	6.3395
160	6.5402
165	6.7406
170	6.9406
175	7.1404
180	7.34
185	7.5396
190	7.7391
195	7.9387
200	8.1385
205	8.3384
210	8.5386
215	8.7391
220	8.9399
225	9.1411
230	9.3427
235	9.5447
240	9.7472
245	9.95
250	10.1534
255	10.3571
260	10.5613
265	10.7659
270	10.9709
275	11.1763
280	11.3821
285	11.5882
290	11.7947
295	12.0015
300	12.2086
305	12.4159
310	12.6236
315	12.8315
320	13.0396
325	13.248
330	13.4566
335	13.6654
340	13.8745
345	14.0837
350	14.2931
355	14.5028
360	14.7126
365	14.9226
370	15.1327
375	15.3431
380	15.5536
385	15.7642
390	15.975
395	16.186
400	16.3971
405	16.6084
410	16.8198
415	17.0314
420	17.2431
425	17.4549
430	17.6669
435	17.8789
440	18.0911
445	18.3034
450	18.5158
455	18.7283
460	18.9409
465	19.1536
470	19.3663
475	19.5792
480	19.7921
485	20.0051
490	20.2181
495	20.4312
500	20.6443
505	20.8574
510	21.0706
515	21.2838
520	21.4971
525	21.7103
530	21.9236
535	22.1368
540	22.35
545	22.5632
550	22.7764
555	22.9896
560	23.2027
565	23.4158
570	23.6288
575	23.8418
580	24.0547
585	24.2675
590	24.4802
595	24.6929
600	24.9055
605	25.1179
610	25.3303
615	25.5426
620	25.7547
625	25.9668
630	26.1786
635	26.3904
640	26.602
645	26.8135
650	27.0249
655	27.236
660	27.4471
665	27.6579
670	27.8686
675	28.0791
680	28.2895
685	28.4996
690	28.7096
695	28.9194
700	29.129
705	29.3384
710	29.5476
715	29.7565
720	29.9653
725	30.1739
730	30.3822
735	30.5904
740	30.7983
745	31.006
750	31.2135
755	31.4207
760	31.6277
765	31.8345
770	32.041
775	32.2474
780	32.4534
785	32.6593
790	32.8649
795	33.0703
800	33.2754