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Conversion of thermistor resistance or voltage – Campbell Scientific 109SS Temperature Probe User Manual

Page 27

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Appendix C. Conversion of Thermistor

Resistance or Voltage Ratio to

Temperature

TABLE C-1. Voltage Ratio, Resistance, and Temperature

1

Actual

Temperature (°C)

10K3MCD1 Thermistor

Resistance (Ω)

Edlog Temperature

Result (°C)

CRBasic Therm109()

Output (°C)

-40

336103.2

-39.99

-40.00

-39

314558

-38.99

-39.00

-38

294529.1

-37.99

-38.00

-37

275900.8

-36.99

-37.00

-36

258567

-35.99

-36.00

-35

242430.2

-34.99

-35.00

-34

227400.9

-33.99

-34.00

-33

213396.6

-32.99

-33.00

-32

200341.4

-31.99

-32.00

-31

188165.5

-30.99

-31.00

-30

176804.8

-29.99

-30.00

-29

166199.8

-28.99

-29.00

-28

156296.1

-27.99

-28.00

-27

147043.2

-26.99

-27.00

-26

138394.7

-25.99

-26.00

-25

130307.6

-24.99

-25.00

-24

122742.3

-23.99

-24.00

-23

115662.2

-22.99

-23.00

-22

109033.4

-21.99

-22.00

-21

102824.6

-20.99

-21.00

-20

97006.9

-19.99

-20.00

-19

91553.3

-18.99

-19.00

-18

86439.2

-17.99

-18.00

-17

81641.4

-16.99

-17.00

-16

77138.6

-15.99

-16.00

-15

72911.1

-14.99

-15.00

-14

68940.4

-13.99

-14.00

-13

65209.7

-12.98

-13.00

-12

61702.9

-11.98

-12.00

-11

58405.5

-10.98

-11.00

-10

55303.9

-9.98

-10.00

-9

52385.2

-8.98

-9.00

-8

49637.8

-7.98

-8.00

-7

47050.6

-6.98

-7.00

-6

44613.4

-5.98

-6.00

-5

42316.7

-4.98

-5.00

-4

40151.6

-3.98

-4.00

-3

38110

-2.98

-3.00

-2

36184

-1.98

-2.00

-1

34366.6

-0.98

-1.00

0

32650.9

0.02

0.00

1

31030.8

1.02

1.00

2

29500.5

2.02

2.00

C-1