Sensors and transducers are the front end elements of any data acquisition system. These measure the physical changes of the quantity to be measured. Hence study of these components is a important aspect. This course provide you with working principle and other necessary information about sensors and transducers. This course enables you to learn about temperature sensors, displacement sensors , strain measurement sensors and revolution measurement transducers. First section gives difference between sensors and transducers along with their definition application and examples. Second section section talks about thermocouple and its information. Third section explains thermistors and their applications. Fourth section tells us about RTDs and their advantages and disadvantages. Fifth section talks about Linear Variable differential transformer and its working principle along with advantages and disadvantages. Sixth section speaks about strain Gauges. Seventh section explains Electromagnetic flow meter and its working principle. Eighth section talks about capacitive and inductive proximity sensors and their working principles. Ninth section speaks about tachometer and Rotary Encoders and their working principles. Thus I have tried to cover different sensors and transducers in my course. This will give you sufficient knowledge to choose any type of sensor in your respective field of applications. Take full advantage of this course to enhance your knowledge of sensors and transducers.