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Appendix c – Campbell Scientific 107-L Temperature Probe User Manual

Page 25

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Appendix C. Resistance or Voltage

Ratio to Temperature

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

1

Actual

100K6A1iA

P11 Edlog

P11 Edlog

CRBasic

Temperature

Thermistor

Instruction

Instruction

Therm107()

(°C)

Resistance

X = Vs/Vx * 800

Output

Output

-40

4071186

1.85

-39.19

-40.00

-39

3798837

1.98

-38.39

-39.00

-38

3546330

2.11

-37.56

-38.00

-37

3312107

2.25

-36.71

-37.00

-36

3094743

2.39

-35.84

-36.00

-35

2892930

2.55

-34.95

-35.00

-34

2705469

2.71

-34.03

-34.00

-33

2531260

2.88

-33.09

-33.00

-32

2369292

3.05

-32.14

-32.00

-31

2218639

3.24

-31.17

-31.00

-30

2078448

3.44

-30.19

-30.00

-29

1947934

3.64

-29.20

-29.00

-28

1826376

3.85

-28.19

-28.00

-27

1713112

4.08

-27.18

-27.00

-26

1607529

4.31

-26.16

-26.00

-25

1509065

4.55

-25.14

-25.00

-24

1417202

4.80

-24.11

-24.00

-23

1331461

5.06

-23.08

-23.00

-22

1251401

5.33

-22.06

-22.00

-21

1176615

5.61

-21.03

-21.00

-20

1106727

5.90

-20.01

-20.00

-19

1041391

6.19

-18.99

-19.00

-18

980285

6.50

-17.97

-18.00

-17

923112

6.82

-16.96

-17.00

-16

869600

7.15

-15.96

-16.00

-15

819493

7.48

-14.95

-15.00

-14

772557

7.82

-13.96

-14.00

-13

728575

8.18

-12.96

-13.00

-12

687344

8.53

-11.97

-12.00

-11

648680

8.90

-10.98

-11.00

-10

612407

9.28

-10.00

-10.00

-9

578366

9.66

-9.01

-9.00

-8

546408

10.05

-8.03

-8.00

-7

516394

10.44

-7.04

-7.00

-6

488196

10.84

-6.05

-6.00

-5

461695

11.24

-5.06

-5.00

-4

436779

11.65

-4.06

-4.00

-3

413346

12.06

-3.07

-3.00

-2

391300

12.47

-2.07

-2.00

-1

370551

12.89

-1.06

-1.00

0

351017

13.31

-0.06

0.00

1

332620

13.73

0.95

1.00

2

315288

14.15

1.96

2.00

3

298954

14.57

2.98

3.00

C-1