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Module 4:

Module 4:. Meter, Sensor & Transducer Applications. Module Objectives. Upon successful completion of this module, students should be able to: List everyday applications of meters, sensors and transducers Demonstrate understanding of meter, sensor and transducer

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Module 4:

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  1. Module 4: Meter, Sensor & TransducerApplications

  2. Module Objectives Upon successful completion of this module, students should be able to: • List everyday applications of meters, sensors and transducers • Demonstrate understanding of meter, sensor and transducer • Applications through experiments

  3. Sensors at Airport Guess What are the Sensors used at airport

  4. Visibility Sensor • Used in airport systems around the world for airport visibility and in Runway Visual Range (RVR).

  5. Wind Sensor • Provide information on winds and turbulence

  6. Metal Detector

  7. Thermal sensors and many more

  8. Introduction to Meter • Meters are used for real world measurements

  9. Sound Meter

  10. Heart Beat Measurement • ECG

  11. What you cannot measure • Stress on the brain of human being • Love • Quantity of air in the atmosphere • Water in sea • No. of Fish in the sea • Stars in the sky

  12. Meter Application

  13. Testing a Car Battery • If 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

  14. Testing for continuity • Testing of continuity helps in detecting broken wire, open wire, blown fuses, damaged diodes etc.

  15. Sensors and Transducer Application

  16. Ultrasonic sensors

  17. Ultrasonic sensors • Other applications involve detecting the presence of a person, and opening a door or detecting the presence of a car in a car wash station.

  18. Detecting presence of materials • Detecting presence of materials/objects is very important in automation industries Optical proximity sensors are used for counting boxes, breakage and jam detection

  19. Proximity Sensors • A proximity sensor is a sensor able to detect the presence of nearby objects without any physical contact. Inductive Sensors principle Capacitive Sensors principle

  20. Detecting presence of materials • Inductive 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.

  21. Lab Activity-1 • Objective • To use multimeter for the following • To test the battery and determine the percentage of battery • To test continuity of power cord • To test the light emitting diode

  22. Lab Activity-2 • Objective: • To detect objects within a certain range using the ultrasonic sensors

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