base junction box load cell sensor weighbridge Two identical load cells are used in a Truck Weighing System as shown in Figure 1. Each of these load cells consist of an aluminium cylinder with a radius of 7.5 cm. A strain gauge with a GF=2.15 and nominal resistance of 125 Q is fitted on each aluminium cylinder. The strain gauge is placed on one of the arms of a standard Wheatstone bridge circuit. The other three resistances of the Wheatstone bridge are 125 N each respectively. The power supply of the Wheatstone Bridge circuit is 9V. The modulus of elasticity of aluminium is 6.89x10º N/m². (a) Find the variation of bridge offset voltage when a force of 100000N is applied on the load cells. (b) Develop the signal conditioning circuit interface the load cell to a 10-bit ADC with a 5.0V reference. (c) Specify how many Newtons of Force does each LSB represent.

base junction box load cell sensor weighbridge Two identical load cells are used in a Truck Weighing System as shown in Figure 1. Each of these load cells consist of an aluminium cylinder with a radius of 7.5 cm. A strain gauge with a GF=2.15 and nominal resistance of 125 Q is fitted on each aluminium cylinder. The strain gauge is placed on one of the arms of a standard Wheatstone bridge circuit. The other three resistances of the Wheatstone bridge are 125 N each respectively. The power supply of the Wheatstone Bridge circuit is 9V. The modulus of elasticity of aluminium is 6.89x10º N/m². (a) Find the variation of bridge offset voltage when a force of 100000N is applied on the load cells. (b) Develop the signal conditioning circuit interface the load cell to a 10-bit ADC with a 5.0V reference. (c) Specify how many Newtons of Force does each LSB represent.

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

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