Principles of Mechanical Measurements

IIT Madras Course , Prof. R. Raman

Lecture 1:

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Course Description :

Introduction to basic of Mechanical Measurements - Three Groups Of Instruments - Details of Signals - Threshold And Its Examples - Sources of Error - Gear meshing - Field of measurements,Loading Effect - Rotational Error - Computing the error - Zero Order And First Order - Resistance - characteristics of amplifiers - Displacement measurement - Bridge network - Three different transducers - Measuring reciprocating velocity - Relative displacement - Motion measurement - Hydraulic or pneumatic load cells - Analog to digital converter - Torque - Temperature measurement - Temperature coefficient - Gas pressure measurement - Vacuum measurement - Three modes of operation

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