UNIT 10 INTRODUCTION TO TRANSDUCERS Transducers and Sensors AND SENSORS Structure 10.1 Introduction Objectives 10.2 Active and Passive Sensors 10.3 Basic Requirements of a Sensor/Transducer 10.4 Discrete Event Sensors 10.4.1 Mechanical Limit Switches 10.4.2 Proximity Limit Sensors 10.4.3 Photoelectric Sensors 10.4.4 Fluid Flow Switch Definitions: Transducer and sensors • Transducer – a device that converts a primary form of energy in to a corresponding signal with a different energy form Primary Energy Forms: mechanical, thermal, electromagnetic, optical, chemical, etc. Disadvantages of Capacitor Transducers 4. TRANSDUCERS Transducers as already defined , is a device that converts a non electrical quantity into an electrical quantity. mechanical motion of a pointer. For example : a thermocouple , photo conductive cell pressure gauge , … PowerPoint slide on Digital Transducers compiled by Jandeep. The main function of a second transducer is used to change the signal from mechanical to electrical. 5. 2. Advantages of Capacitor Transducers 3. PowerPoint slide on Digital Transducers compiled by Jandeep. Introduction • Ultrasonic machining is a mechanical type non-traditional machining process employed to machine hard and brittle materials (both electrically conductive and non conductive material) using an axially oscillating tool at ultrasonic frequencies [18–25 kilohertz (kHz)]. (examples to follow) • Used to change information into a form that can be easily transferred, stored, processed, interpreted, etc. Capacitive transducers (source: directindustry.com) Capacitive Transducers Contents hide 1. attainable are not as high as in mechanical transducers. Capacitive Transducers 2. The transduc Definition and General Concept of Transducer Definition The transducer is a device which converts one form of energy into another form. Examples: Mechanical transducer and Electrical transducer Electrical Transducer The primary transducer includes electrical & mechanical devices. The effect of friction is minimized. Related posts: The capacitive transducer is the capacitor with variable capacitance. Sumit Thakur Mechanical Transducer Seminar and PPT with PDF Report: In the direct method any physical quantity like duration, mass, etc are calculated directly by some instruments like the measuring tape, weighing scale etc. Fig. This page contains Transducer Seminar and PPT with PDF report. • Sensor (e.g., thermometer) - is a … Some of the advantages are: 1. 3. Transducers Prof. B. D. Kanani, EE Department Electrical Measurements and Measuring Instruments (2130903) 1 5.1. 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