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Campbell Scientific 108-LC Temperature Probe for MetData1 User Manual

Page 6

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Model 108-LC Temperature Probe for MetData1

2

TABLE 2-1. Thermistor Interchangeability Specification

Temperature

Temperature (

°C)

Tolerance (

±°C)

−10

0.25

0 to +50

0.20

+70

0.20

+90

0.31

TABLE 2-2. Polynomial Error

-10 to +95

<

±1.0°C

-7 to +95

<

±0.5°C

-3 to +90

<

±0.1°C

TABLE 2-3. Actual Temperature, Sensor Resistance,

and Computed Temperature

Temperature

Resistance

Output

°C

OHMS

°C

-10.00

612366

-9.02

-8.00

546376

-7.36

-6.00

488178

-5.63

-4.00

436773

-3.83

-2.00

391294

-1.97

0.00

351017

-0.05

2.00

315288

1.91

4.00

283558

3.91

6.00

255337

5.93

8.00

230210

7.96

10.00

207807

10.00

12.00

187803

12.04

14.00

169924

14.07

16.00

153923

16.09

18.00

139588

18.10

20.00

126729

20.09

22.00

115179

22.07

24.00

104796

24.05

26.00

95449

26.02

28.00

87026

27.99

30.00

79428

29.97

32.00

72567

31.94

34.00

66365

33.93

36.00

60752

35.93

38.00

55668

37.93

40.00

51058

39.94

42.00

46873

41.96

44.00

43071

43.98

46.00

39613

46.00

48.00

36465

48.02

50.00

33598

50.03