B

常数

3100

R

值

22

温度

T1

阻值

Rt

温度

T1

阻值

Rt

温度

T1

阻值

Rt

温度

T1

阻值

Rt

-40

399.315877

2

52.4664213

44

11.8005499

86

3.76249585

-39

377.272589

3

50.3689339

45

11.4435131

87

3.67339443

-38

356.618342

4

48.369538

46

11.0994156

88

3.5868791

-37

337.255612

5

46.4630381

47

10.7677184

89

3.50286239

-36

319.094383

6

44.6445443

48

10.4479075

90

3.42126021

-35

302.051519

7

42.9094521

49

10.1394931

91

3.34199164

-34

286.050193

8

41.2534248

50

9.84200785

92

3.26497886

-33

271.019371

9

39.6723759

51

9.55500601

93

3.19014699

-32

256.893336

10

38.1624537

52

9.27806218

94

3.11742395

-31

243.611258

11

36.7200263

53

9.01077039

95

3.04674037

-30

231.116796

12

35.3416679

54

8.75274306

96

2.97802947

-29

219.357745

13

34.024146

55

8.50361009

97

2.91122694

-28

208.285701

14

32.7644097

56

8.263018

98

2.84627086

-27

197.855761

15

31.5595779

57

8.03062909

99

2.78310157

-26

188.026252

16

30.4069296

58

7.80612069

100

2.72166162

-25

178.758475

17

29.3038939

59

7.58918439

101

2.66189565

-24

170.016474

18

28.2480407

60

7.37952535

102

2.6037503

-23

161.766828

19

27.2370727

61

7.17686166

103

2.54717415

-22

153.978455

20

26.268817

62

6.98092369

104

2.49211763

-21

146.622432

21

25.3412178

63

6.79145351

105

2.43853295

-20

139.671835

22

24.4523299

64

6.60820433

106

2.38637404

-19

133.101588

23

23.6003116

65

6.43093995

107

2.33559644

-18

126.888324

24

22.783419

66

6.25943428

108

2.28615728

-17

121.010259

25

22

67

6.09347086

109

2.23801522

-16

115.447074

26

21.2484894

68

5.93284239

110

2.19113035

-15

110.179812

27

20.5274036

69

5.7773503

111

2.14546416

-14

105.190771

28

19.8353359

70

5.62680437

112

2.10097948

-13

100.463422

29

19.1709524

71

5.48102231

113

2.05764045

-12

95.9823167

30

18.5329875

72

5.33982942

114

2.01541241

-11

91.7330171

31

17.9202402

73

5.2030582

115

1.97426193

-10

87.7020186

32

17.3315707

74

5.07054809

116

1.93415671

-9

83.8766867

33

16.7658965

75

4.94214507

117

1.89506555

-8

80.2451951

34

16.2221898

76

4.81770143

118

1.85695832

-7

76.7964694

35

15.6994739

77

4.69707545

119

1.8198059

-6

73.520135

36

15.1968208

78

4.58013114

120

1.78358015

-5

70.406469

37

14.7133484

79

4.46673797

121

1.74825389

-4

67.4463551

38

14.2482179

80

4.35677065

122

1.71380083

-3

64.6312428

39

13.8006317

81

4.25010889

123

1.68019557

-2

61.9531086

40

13.3698308

82

4.14663717

124

1.64741355

-1

59.404421

41

12.9550932

83

4.04624453

125

1.61543102

0

56.9781069

42

12.5557316

84

3.94882438

126

1.584225

1

54.6675219

43

12.1710915

85

3.85427429

127

1.55377328

负温度系数热敏电阻温度与阻值对应关系表

说明：

1

、

Rt 

是热敏电阻在

T1

温度下的阻值；

2

、

R

是热敏电阻在

T2

常温下的标称阻值；

3

、

B

值是热敏电阻的重要参数；

4

、

EXP

是

e

的

n

次方；

5

、这里

T1

和

T2

指的是

K

度即开尔文温度，

K

度

=273.15(

绝对温度

)+

摄氏度；

计算公式：

Rt =R*EXP(B*(1/T1-1/T2)

已知条

件

单位

k