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Puentes Wheatstone

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Re: Puentes Wheatstone

Notapor pichu » Mar, 08 May 2012, 12:06

Application of Wheatstone Bridge Circuit in Water Level Measurement Syste

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Re: Puentes Wheatstone

Notapor pichu » Mar, 08 May 2012, 12:08

Applying the Wheatstone Bridge Circuit by K. Hoffman






1 . Introduction 3
2. Elementary circuits with strain gauges - 5
2.1 Measurements on the tensile rod 6
2.2 Measurements on the bending beam T
2.3 Measurements on a torque shaft 8
3. Analysis and compensation of superimposed
stresses, e.g. tensile rod with superimposed
bending moment 9
4. Compensation of adverse effects, especially _ _ _
_ temperature effects.
Cancellation of cable errors
Table on different circuit configurations.
Some remarks concerning the limitsof-error
compensation 1 7
Linearity problems 17
8.1 Method for detennination of the characteristic
line of a strain gauge in the post-yield range 18
8.2 Result of an investigation 19
8.3 Possibility for automatic compensation of the
linearity error by the nonlinearity of the
Wheatstone quarter bridge circuit - " 20
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