This electrical signal is converted into frequency waves by adding carrier frequency. Advantages of an Electrical transducer: -> Electrical signal obtained from electrical transducer can be easily processed (mainly amplified) and brought to a level suitable for output device which may be an indicator or recorder. It is a low power-consuming device. As RVDT is an AC controlled device, so there is no any electronics component inside it. When an external force is applied to this transducer, the produced voltage that can be measured easily. • Electrical Transducer is a sensing device by which a physical , mechanical or optical quantity to be measured is transformed directly into electrical voltage or current proportional to the input.• Mechanical Transducers respond to change in physical conditions and give output in different form. 2 . With the advent of IC technology, the electronic systems have become extremely small in size, requiring small space for their operation. The photoelectric transducer uses a photosensitive element, which ejects the electrons when the beam of light absorbs through it. Inverse Transducer: • Inverse transducers convert electrical quantity to a non electrical quantity. The electrical transducer has a single diaphragm connected to a coil or capacitor. 5. A piezoelectric transducer is a kind of electroacoustic transducer which is utilized for the conversion of mechanical force or pressure into other kinds of altering electrical energy. Your email address will not be published. Ø Also, the sensing elements and the associated signal processing circuitry are comparatively expensive. The reduce effects of friction and other mechanical non-linearities. Hence such quantities are required to be sensed and changed into some other form for easy measurement. Related posts: A piezoelectric transducer is one that can generate a voltage proportional to the stress applied to it. There are many different types of transducer available but piezoelectric transducer are some of the advantages compare to other transducers. Linear Variable Differential Transformer (LVDT) is an Electromechanical type Inductive Transducer that converts rectilinear displacement into the Electrical Signal. It has a poor thermal stability. It is an electro-mechanical type of inductive transducer that converts angular displacement into the corresponding electrical signal. The electrical systems can be controlled with a very small level of power. Electrical signals can be easily attenuated or amplified and can be brought up to a level suitable for various device, with the help of static device FGK. The flexibility in input and output that a transducer offers not only connects us to the real world of physical movement also helps us controlling these. Advantages of Oscillator Transducer. The power requirement of transducer is very small. Disadvantages of Oscillator Transducer. The form of energy may be electrical, mechanical, thermal or optical. • Frequency can be measured by a frequency or pulse counter. The transducer is not shock or vibration sensitive as the mechanical gauge is. Disadvantages of Piezoelectric Transducer. The electrical transducer is sometimes less reliable than mechanical type because of the ageing and drift of the active components. Therefore there is no question of mechanical wear and tear and no possibility of mechanical failure. Applications of Piezoelectric Material(Transducer) 3. Due to the integrated circuit technology, the electrical and electronic systems are compact, having less weight and portable. They have a high transient response. The electrical output of the transducer can be easily used, transmitted and processed for the purpose of measurement. The electrical system can be controlled with a small level of power. An electrical transducer is a device which is capable of converting physical quanties into a proportional electrical quantity such as voltage or electric current. The electrical system can be controlled with a small level of power. They will: (a)Provide a compact, silent unit which requires low maintenance. Due to IC fabrication technique, it can be implemented in the small chip. The process of converting one form of energy to another is known as transduction. 2. They are very rugged. Let use see these in details. They have high impedance. A common technique to overcome this problem is to use a high current, low impedance transmission method that’s immune to the noise sources. This change is measured by its corresponding value of sound or some of the vibration. • Types as: 1. Ergonomic advantages in presenting digital data. stability have been increased for electrical transducers. Disadvantages of Piezoelectric Transducer 4.1. (BS) Developed by Therithal info, Chennai. The following are the advantages of the resistive transducer. 4. You will need, a voltmeter and a transducer. This makes the design complicated. Electromagnetic F.D.T. Measuring electrical quantities using transducers confers a number of advantages. they don’t require external power for working and are therefore self-generating. There are various types of transducers depending upon the change in property or the energy they bring about to measure specified physical quantities. Advantages: The electrical output of the transducer can be easily used, transmitted and processed for the purpose of measurement. This physical quantity which is to be measured can be pressure, level, temperature, displacement etc. It is the most widely used inductive sensor due to its high accuracy level. 12. There are some disadvantages of piezoelectric transducer which are given below, The output obtained from the piezoelectric transducers is low, so external electronic circuit has to be connected. Thus no mechanical wear and tear and no possibility of mechanical failures exist. Advantages of electrical transducer The power requirement of the transducer is very small. The 4-20 mA current loop was developed solely to provide this capability. Ø     Using negative feedback technique, the accuracy of measurement and the stability of the system are improved, but all at the expense of increased circuit complexity, more space, and obviously, more cost. electrical “noise” can overwhelm, distort, or corrupt high-impedance analog signals in the cable. Electrical signals can be easily attenuated or amplified and can be brought up to a level suitable for various device, with the help of static device FGK. Also, the sensing elements and the associated signal processing circuitry are comparatively, With the use of better materials, improved technology and circuitry, the range of accuracy and. Advantages of Electrical transducers Mostly quantities to be measured are non-electrical such as temperature, pressure, displacement, humidity, fluid flow, speed etc., but these quantities cannot be measured directly. In other words, we can say that a transducer is a panacea for the instrumentation/electrical industry. Advantages of Electrical Transducers 1. Ø   The electrical transducer is sometimes less reliable than mechanical type because of the ageing and drift of the active components. 2. Ms. Amit Saxena (Asst. Temperature and environmental conditions can affect the behavior of the transducer. A transducer may have electrical input and electrical output. There are some advantages of electrical transducer which are given below. 2. The reduce effects of friction and other mechanical non-linearities. -> The electrical systems can … The electrical systems can be controlled with a very small level of power. It offer high output that be measured in the electronic circuit. They can only measure changing pressure hence they are useless while measuring static parameters. … Both the AC and DC, current or voltage is appropriate for the measurement of variable resistance. Using negative feedback technique, the accuracy of measurement and the stability of the system are improved, but all at the expense of increased circuit complexity, more space, and obviously, Basic Electrical and Electronics and Instrumentation Engineering, Basic Electrical and Instrumentation Engineering, Basic Electrical and Electronics and Measurement Engineering, Electrical Engineering and Instrumentation, Important Short Questions and Answers:Storage and Display Devices, Resistance Thermometers: Construction, Advantages, Limitations, Thermistors: Construction, Advantages, Limitations, Capacitive Transducers and its Application. (c)Provide a signal which can be transmitted from the measuring site to one or more remote locations. Opto-electrical F.D.T. Advantages of Transducer It simplifies the amplification and attenuation of the signal. It is possible to get a very high magnification and the same instrument may have two or more magnifications, thus the same instrument can be used for various ranges.