beautypg.com

Appendix f. thermistor information – Campbell Scientific CDM-VW300 Series Dynamic Vibrating-Wire Analyzer System User Manual

Page 91

background image

Appendix F. Thermistor Information

ERROR = (ACTUAL

- COMPUTED) DEG C

COMPUTED TEMPERATURE (C) 1000 FOOT LEAD

-10

-5

0

5

10

15

20

25

30

0.32

.0.30

0.28

0.26

0.24

0.22

0.20

0.18

0.16

0.14

0.12

0.10

0.08

0.06

0.04

FIGURE F-2. Temperature measurement error on a 1000 foot lead.

Wire is 22 AWG with 16 ohms per 1000 feet.

ERROR = (ACTUAL

- COMPUTED) DEG C

COMPUTED TEMPERATURE (C) 3000 FOOT LEAD

-10

-5

0

5

10

15

20

25

30

1.0

0.9

0.8

0.7

0.6

0.5

0.4

0.3

0.2

0.1

FIGURE F-3. Temperature measurement error on a 3000 foot lead.

Wire is 22 AWG with 16 ohms per 1000 feet.

F-3