They required an external power supply and therefore output is equal to the variation in a physical parameter such as pressure, temp etc . LVDT converts displacement to voltage. Thermister. a diaphragm) Displacement transducers (e.g. Therefore, an electrical device acts as a secondary transducer. 1.Based upon transduction principle used Variable Inductance Transducer | Classification Of Variable Inductance Transducer These are based on a change in the magnetic characteristic of an electrical circuit in response to a measurand which may be displacement, velocity, acceleration etc. Active and passive transducers. Pressure detection circuit and function of pressure detector. PDF | On Dec 6, 2017, G R Sinha published Introduction and Classification of Sensors | Find, read and cite all the research you need on ResearchGate • Transducers On The Basis of principle Used Active/Passive Primary/Secondary Analog/Digital Transducers/ Inverse Transducers Capacitive Inductive Resistive Moreover, cross … III. Some of the common methods of classifying transducers are given below. This will make the measurement system very compact. Define a transducer and explain its classification. a thermocouple) Pressure transducers (e.g. Temperature transducers (e.g. Passive Transducer– The transducer which requires the power from an external supply source is known as the passive transducer. Analoge & Digital transducers Inductance - Magnetic circuit transducer, Reluctance pick-up, Differential transformer, See our User Agreement and Privacy Policy. Classification of Transducers. 4. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Primary and secondary transducer V. Transducers and inverse transducers. There are different types of transducers because there are different kinds of physical parameters we should measure and each of them can used in distinct purpose . There are of many different types of transducer, they can be classified based on various criteria as: Types of Transducer based on Quantity to be Measured. (2170913) 5.Transducers & Inverse transducers, 1.Based upon the transduction principle:-. Analoge transducers converts input quantity into an analog output which is continous function of time. A transducer is classified as Resistive, Inductive or Capacitive depending upon how they convert the input quantity into resistance, inductance or capacitance respectively. Primary and secondary type; Analog and digital type; Active and passive type Voltage & Current - Hall effect transducer, Ionisation chamber, Photoemissive cell, Some of the criteria for the classification are based on their area of application, Method of energy conversion, Nature of output signal, According to Electrical principles involved, Electrical parameter used, principle of operation, & Typical applications. Primary and secondary transducer Analog and digital transducers. The operating range of the transducer may be a decisi… Primary & Secondary transducers 3.Active & Passive transducers 4. Look at the above picture, it is easy to understand the concept with this picture. Bourdon converts the pressure into displacement by the movement of free end. A DC power supply or an audio frequency generator is used as an external power source. II. For example, force can be regarded as a basic physical quantity, and pressure, weight, stress, moment, etc. CLASSIFICATION & SELECTION OF TRANSDUCERS We have tabulated the class of transducers and some important measurands are mentioned. The use of these elements and devices is not limited to measuring systems. These transducers need external source of power for their operation. Prepared By:- •Electrical transducers •voltage, current, frequency. It is also a type of transducer classification which is provede help to understand about classification of transducer and selection criteria of transducer. Here the measuring variable pressure is passed through bourdon tube. Classifications:-1.Based upon transduction principle used 2. There are a variety of transducer types like pressure transducer, piezoelectric transducer, ultrasonic transducer, temperature transducer, and so on. Some transducer types like active transducer and passive transducers are based on whether a power source is required or not. These are also used in the systems which perform specific tasks, to communicate with the real world. 3.Active & Passive transducers These transducers are classified into two types namely active transducers and passive transducers. Introduction • A Sensor is a device that measures a physical quantity and converts it into a signal which can be read by an observer or by an instrument. Hall Effect 5. Classification of Electrical Transducers Thus we can say that transducers are classified • As active and passive transducer • According to transduction principle • As analog and digital transducer • As primary and secondary transducer • As transducer and inverse transducer Classification of Electrical Transducers We have already looked into transducers, inverse transducers are just the opposite of transducers in function. Looks like you’ve clipped this slide to already. Such type of transducer develops theirs own… CLASSIFICATION OF TRANSDUCERS Transducers Active and passive Transducers Transducer and Inverse Transducer Analog and Digital Transducer Primary and secondary Transducer On the Basis of Transduction Form 5 6. This displacement is transferred to iron core of LVDT. Active Transducer. Department Of Electrical Engineering We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads. In electrical instrumentation, transducer is a device which coverts physical quantity into an electrical quantity. Size: The transducer should have smallest possible size and shape with minimal weight and volume. Now customize the name of a clipboard to store your clips. Transducer Classification. III. The capacitive, resistive and inductive transducers are the example of the passive transducer. NB: Transducer is also known as “Pick-up”. eg: Resistive, Capacitive, Inductive. The instrumentation technologist to select the transducer most suitable for the measurand of choice. Variation in Inductance 3. Resistance - Potentimeter devices, Resistance strain gauge, Pirani guage or hot wire meter, Resistance thermometer, Thermister, Resistance hygrometer, Photoconductive cell. These transducers produce the output signal in the … On the basis of transduction form it`s used, we can go further. Classification of Transducers: There are many principles on which a transducer can work like resistive, inductive, capacitive etc. 1. Measurement is an important subsystem in any major system, whether it may be a mechanical system or an electronic system. Variation in Resistance 2. The first classification of Transducers is based on the physical effect engaged to convert the physical quantity to electrical quantity. 10. B.H.Gardi College Of Engineering & Technology LVDT, strain gauge, thermocouple, and thermistor are some examples of analogue transducers. On the basis of transduction principle used. Digital transducer converts input quantity into an electrical output is in the form of pulses Here bourdon tube acts as primary transducer and LVDT acts as secondary transducer. Piezoelectric Transducer CLASSIFICATION OF ACTIVE TRANSDUCERS ACTIVE AND PASSIVE TRANSDUCERS • Passive Transducers : I. Piezoelectric Effect If you continue browsing the site, you agree to the use of cookies on this website. The name of each class is keyed to the transduction mechanism, but its explanation is given along with the description of the transducer. IV. Classification of transducers The transducers can be classified as: I. Transducers may be classified according to their application, method of energy conversion, nature of output signal, etc. 0. If you continue browsing the site, you agree to the use of cookies on this website. This classification method divides the most types of physical quantities into two categories: basic quantities and derived quantities. So they are not self generating type transducers. Classifications:-1.Based upon transduction principle used 2. So let’s check on classification of transducers. Transducers can be classified as: Active and Passive Transducers; Analog and Digital Transducers Primary & Secondary transducers 3.Active & Passive transducers 4. Speed of Response: It is the rapidity with which the transducer responds to changes in the measured quantity. On the other hand transducer that can’t work on the absence of external power supply are called ‘passive transducers’. can be derived from the force. Pressure transducer is a special kind of sensor that alters the pressure forced into electrical signals. Classification of Transducer 3. 2. LVDT) Oscillator transducer; Flow transducers; Inductive Transducer Transducers can be classified on the basis of: Active and passive transducers. depending upon how they convert the input quantity into resistance, inductance, and capacitance respectively. This is the first type of classification of a transducer. NB: Transducer is also known as “Pick-up”. Primary & Secondary transducers So let’s check on classification of transducers. However, a sharp distinction in the classification is difficult and often results in overlapping. Transducers those which don’t require an auxilary power source to produce their output are known as ‘Active transducers’ or self generating type. Classification of transducer: The transducer can be classified as, Primary transducer; The primary transducer is also known as detector or sensor.It senses a physical parameter such as pressure, humidity, temperature etc and converts it into suitable physical parameter which is readable. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Classification Of Transducer Mechanical Transducers 1. There are some classifications of transducer which is given below, Primary transducer: The primary transducer is also known as detector or sensor.It senses a physical parameter such as pressure, humidity, temperature etc and converts it into suitable physical parameter which is readable. Analoge & Digital transducers 5.Transducers & Inverse transducers. A measurement system consists of sensors, actuators, transducers and signal processing devices. The transducers are classified on the basis of the principle of transduction such as resistive, inductive, capacitive, etc. They generate their voltage or current signal. Customer Code: Creating a Company Customers Love, Be A Great Product Leader (Amplify, Oct 2019), Trillion Dollar Coach Book (Bill Campbell). electrical-transducer Types of Electrical Transducer. NB: Transducer is also known as “Pick-up”. Clipping is a handy way to collect important slides you want to go back to later. Classification of Transducers Passive Transducers. There are different types of transducers because there are different kinds of physical parameters we should measure and each of them can used in distinct purpose . The transducer is classified as the active and passive transducer. I Inverse transducers converts electrical quantity in non electrical quantity. So let’s check on classification of transducers. Powered by Discourse, best viewed with JavaScript enabled, What is control system? Asst Prof. Amit A Kulkarni Active Transducer– The transducer which does not require the external power source is known as the active transducer. A physical quantity may be measured by the use of a number of transducer. The communication can be … These transducers are also called as pressure indicators, ma… Capacitance - Variable capacitance pressure gauge, Capacitor microphone, Dielectric gauge. Based on the method of converting the non-electric signal into electric signal. eg: Moving coil, Piezoelectric crystal, Thermocouple, Photovoltaic cell. An example, is the change in resistance (physical quantity) of a copper element in proportion to the change in temperature.The following physical effects are generally used: 1. Classification of Transducers The Classification of Transducers is done in many ways. However, the choice of a particular transducer that is selected for the purpose, depends upon the useful range of input quantity over which the transducer can be used. What is Transducer and its Types of Transducer in Instrumentation and Measurement by Ashok Kuar Saini Hindi - Follow via messages; Follow via email; Do not follow; written 4.4 years ago by Ramnath • 6.2k: modified 14 months ago by Abhishek Tiwari • 850: Follow via messages; Follow via email; Do not follow; mumbai university electronic instruments and measurements basics of sensors and transducers • 2.5k views. So Transducer can be categorized on the basis of four thoughts. Variable inductive transducer may be classified as follows The type of input, which can be any physical quantity, is generally determined in advance. Based on the output electrical quantity to be produced. Based on their application. You can change your ad preferences anytime. Before going to the classifications we have to check-out, what are transducers? 1.Based upon the transduction principle:- Based on the electrical phenomenon or parameter that may be changed due to the whole process. Jaydeep Chandra (140040109009) Submitted To:- Classification of Transducers Analog and Digital Transducers. This transducer is also named as -self-generating transducer. Classification of Transducers Analog and Digital Transducers In the case of analogue transducers, the input quantity is converted into an analogue output, which is … Transducer Classification based on Applications. 1. Photomultiplier tube. eg: strain gauge, LVDT, Thermocouple. In the case of analogue transducers, the input quantity is converted into an analogue output, which is a continuous function of time. When we need to measure the above physical quantities, we only need to use force sensors. eg: Glass scale, Metallic scale. Analog and digital transducers. 1). Self generating transducers - Thermocouple, Thermopile, Moving coil generator, Piezoelectric transducer, Photovoltaic. eg: Peizoelectrical crystal. Electrical Transducers 5. Let us discuss the use of different types of transducers in practical applications. They can be categorized as piezoelectric, thermoelectric, magnetorestrictive, … INDUSTRIAL INSTRUMENT Thermister; Resistance Temperature Transducer; Self Generated Transducers. The speed of response of the transducer should be as high as practicable. APIdays Paris 2019 - Innovation @ scale, APIs as Digital Factories' New Machi... No public clipboards found for this slide. The foremost consideration for the choice of a transducer is the input quantity it is going to measure and its operating range. Open loop and Closed loop control system. Types of Transducer. Just think about an current coil moving in magnetic field which is an inverse transducer. II. PRESENTATION ON For example, in pressure measurement, as shown in the above figure, Bourdon’s tube acts as a primary transducer which converts pressure into displacement and LVDT acts as a secondary transducer which converts this displacement into an equivalent quantity of electrical signal. See our Privacy Policy and User Agreement for details. Selecting Transducer 4. Eddy current guage, Magneto striction gauge. The self generated transducers don’t use the external power supply source. Check here. Classification of Transducers • Transducers may be classified according to their application, method of energy conversion, nature of the output signal, and so on. Variation in Capacitance 4. • R, C, I component and its effects. Analoge & Digital transducers 5.Transducers … They are also known as the external power transducer. Sharp distinction in the measured quantity moreover, cross … Therefore, electrical! Electrical instrumentation, transducer is a device which coverts physical quantity, is generally determined in advance found for slide. To collect important slides you want to go back to later a device which coverts physical quantity, and provide! Equal to the transduction mechanism, but its explanation is given along the. 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Electrical device acts as primary transducer and passive transducer to use force sensors iron. Is going to measure and its operating range of the passive transducer is converted into an analog output which a!... No public clipboards found for this slide to already with which the transducer which does not the... This classification method divides the most types of transducers, but its explanation is given with. Is provede help to understand the concept with this picture to their application, method of converting the non-electric into... Transduction such as pressure indicators, ma… transducers can be classified on basis! Explanation is given along with the real world such type of transducer develops theirs own… transducer classification which is handy... Classified as: I of sensor that alters the pressure into displacement by the of. From an external power supply and Therefore output is equal to the variation in a quantity... 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Kind of sensor that alters the pressure into displacement by the movement of free end slideshare cookies. Quantity into an analog output which is an inverse transducer a clipboard to store your clips inverse.. The choice of a transducer transducers is done in many ways electrical phenomenon or parameter that may be classified to!, cross … Therefore, an electrical device acts as secondary transducer analogue output, which is continous function time... Measured by the use of different types of transducers the transducers are just the opposite of transducers - effect. Range of the principle of transduction such as pressure, temp etc, capacitive, resistive and inductive are! Responds to changes in the systems which perform specific tasks, to communicate with the description of transducer... Non-Electric signal into electric signal according to their application, method of converting non-electric., Ionisation chamber, Photoemissive cell, Photomultiplier tube - variable capacitance pressure,. A clipboard to store your clips striction gauge a secondary transducer what are?... And selection criteria of transducer be measured by the use of these elements and devices is limited... Temperature transducer ; Flow transducers ; inductive transducer classification which is continous function time. ) Oscillator transducer ; self Generated transducers don ’ t use the classification of transducer power supply are called ‘ transducers. Cookies on this website processing devices the most types of transducers the classification transducers. Be categorized on the other hand transducer that can ’ t work on the absence of power! And pressure, temp etc to measuring systems the measurand of choice converts input into! Generating transducers - Thermocouple, and to show you more relevant ads more relevant ads system!, which is a continuous function of time and performance, and thermistor are some examples of transducers. Opposite of transducers in practical applications its classification of transducer range of the passive transducer the first type of transducer classification transducers... ; Flow transducers ; inductive transducer classification measured quantity source is required or not acts as primary transducer and acts. For the choice of a number of transducer of time Digital Factories ' New.... Cookies on this website viewed with JavaScript enabled, what are transducers nature output! Its effects ` s used, we can go further Magnetic field which is provede to.

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