Campbell Scientific AVW1 and AVW4 Interfaces for Vibrating Wire Sensors User Manual

Page 9

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AVW1/AVW4

2-3

SENSOR

TEMP

RESISTANCE,

VOLTS

CR10

ERROR

o

C

OHMS

OUT

OUTPUT,

o

C

o

C

49

1123

1.754878

49.07873

0.078734

50

1081

1.765287

50.08636

0.086361

51

1040

1.775568

51.11067

0.110677

52

1002

1.785204

52.09809

0.098095

53

965

1.794687

53.09674

0.096746

54

929.6

1.803855

54.08849

0.088499

55

895.8

1.812697

55.07032

0.070322

56

863.3

1.821281

56.04819

0.048193

57

832.2

1.829571

57.01651

0.016519

58

802.3

1.837613

57.97896

-0.02103

59

773.7

1.845372

58.92977

-0.07022

60

746.3

1.852867

59.86962

-0.13037

FIGURE 2.2-1. Temperature Measurement Error at Three Temperatures as a Function of Lead

Length. Wire is 22 AWG with 16 ohms per 1000 feet.

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