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CHAPTER8 : DEVELOPMENT IN INSTRUMENTATION & MEASUREMENT - Coggle…
CHAPTER8 : DEVELOPMENT IN INSTRUMENTATION & MEASUREMENT
FOCUSING ON THE USE OF DIGITAL COMPUTERS AND DEVELOPMENT OF NEW TYPE SENSOR
MICROSENSOR AND MICOCRONTROLLER ON A SINGLE CHIP SCALED DOWN TO NANO SIZE
PARALLEL TRANSMISSION
EACH BITS TRANSMITTED SIMULTANEOUSLY, SPEED OF TRANSMISSION HIGH, THE COST ALSO HIGH
SERIAL TRANSMISSION
EACH BITS TRANSMITTED ONE BY ANOTHER(HANDSHAKING PROCESS), SPEED OF TRANSMISSION SLOW, THE COST ARE LESS THAN PARALLEL TRANSMISSION
FIBRE OPTIC TRANSDUCVER
SENSOR WHICH WORK ON THE PRINCIPLE OF ALTERATION OF LIGHT
ADVANTAGES : ENHANCE SAFETY, LOW WEIGHT, SMALL SIZE, IMMUNE TO ELECTROMAGNETIC
DISADVANTAGES : FRAGILE , ALIGNMENT PROBLEMS, HIGH COST
CONSISTS OF A THIN, LOW -LOSS GLASS WIRE WITH A CENTRE/CORE REGION
TOTAL REFLECTION AT THE BOUNDARY OF THE SORE AND THE CLADDING MATERIAL
DEPENDS ON : THE SIZE OF REGION, SINGLE MODE / MULTIMODE FIBRE
APPLICATIONS
MEDIUM OF DATA TRANSMISSION
FIBRE OPTIC PRESSURE TRANSDUCER
FIBRE OPTIC ACCELEROMETER
FIBRE OPTIC TEMPERATURE SENSOR
FIBRE OPTIC FLOW SENSORE
