Module 4:
description
Transcript of Module 4:
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Module 4:Meter, Sensor & Transducer
Applications
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Module ObjectivesUpon successful completion of this module,
students should be able to:List everyday applications of meters, sensors
and transducersDemonstrate understanding of meter, sensor
and transducerApplications through experiments
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Sensors at AirportGuess What are theSensors used at airport
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Visibility SensorUsed in airport systems
around the world for airport visibility and in Runway Visual Range (RVR).
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Wind SensorProvide information on
winds and turbulence
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Metal Detector
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Thermal sensors and many more
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Introduction to MeterMeters are used for real world measurements
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Sound Meter
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Heart Beat MeasurementECG
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What you cannot measureStress on the brain of human beingLoveQuantity of air in the atmosphereWater in seaNo. of Fish in the seaStars in the sky
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Meter Application
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Testing a Car BatteryIf the voltage of the car battery is below 12.5
V, it is required to recharge the battery. A fully charged car battery will read at least 12.6 V on the digital multimeter
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Testing for continuityTesting of continuity helps in detecting
broken wire, open wire, blown fuses, damaged diodes etc.
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Sensors and Transducer Application
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Ultrasonic sensors
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Ultrasonic sensorsOther applications involve detecting the
presence of a person, and opening a door or detecting the presence of a car in a car wash station.
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Detecting presence of materialsDetecting presence of materials/objects is
very important in automation industries
Optical proximity sensors are used for counting boxes, breakage and jam detection
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Proximity SensorsA proximity sensor is a sensor able to
detect the presence of nearby objects without any physical contact.
Inductive Sensors principleCapacitive Sensors principle
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Detecting presence of materialsInductive proximity sensors are
used to detect the presence of metals while
Capacitive proximity sensors are used to detect metal and even non-metallic objects such as wood, paper, liquid and so on.
However, the detection range of inductive and capacitive proximity sensors is very small.
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Lab Activity-1Objective
To use multimeter for the followingTo test the battery and determine the
percentage of batteryTo test continuity of power cordTo test the light emitting diode
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Lab Activity-2Objective:
To detect objects within a certain range using the ultrasonic sensors