English
These materials are intended to provide meaningful experience in basic transducers for students of modern technology. The topics included provide exposure to: basic principles of measurement as well as pressure, temperature, level, rate, photoelectric, and sound transducers. The materials are presented in an action-oriented format combining many of the features normally found in a textbook with those usually associated with a laboratory manual. MATERIAL BEHAVIOR 1 THE THERMOCOUPLE 11 PRESSURE TRANSMITTERS 23 PIEZOELECTRIC EFFECT 33 STRAIN GAGES 40 VARIABLE INDUCTANCE TRANSDUCER 48 GAGE AND ABSOLUTE PRESSURE RECORDERS 55 PRESSURE TRANSDUCERS 69 MEASUREMENT OF DENSITY & SPECIFIC GRAVITY 84 FLUID FLOW TRANSDUCERS 94 LIQUID LEVEL TRANSDUCERS 102 PHOTOELECTRICITY TRANSDUCERS 112 PHOTOCELL APPLICATION 119 CHEMICAL TRANSDUCERS 129 SOUND TRANSDUCERS 136 This manual, along with the others in the Electromechanical Technology Series, is the result of six years of research and development by TERC, a national nonprofit, public service corporation with headquarters in Cambridge, Massachusetts. It has undergone a number of revisions as a direct result of experience gained with students in technic
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