Transcription of UNIT 5 LINEAR MEASURING DEVICES AND Linear …
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UNIT 5 LINEAR MEASURING DEVICES AND Linear …
55 LINEAR MEASURING DEVICES and Comparators UNIT 5 LINEAR MEASURING DEVICES AND COMPARATORS Structure Introduction Objectives Non-precision MEASURING Instruments Precision MEASURING Instruments Electrical MEASURING DEVICES Comparators Summary Key Words Answers to SAQs INTRODUCTION LINEAR measurement includes the measurement of lengths, diameters, heights and thickness. The basic principle of LINEAR measurement (mechanical type) is that of comparison with standard dimensions on a suitably engraved instrument or device. LINEAR MEASURING instruments are categorized depending upon their accuracy.
measuring devices and comparators. Objectives After studying this unit, you should be able to familiarise yourself with various type of linear measuring devices, and choose a suitable measuring device according to the precision required. 5.2 NON-PRECISION MEASURING INSTRUMENTS Non-precision instruments are limited to the measurement of parts to ...
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