Pdf electronic instrumentation and measurements by david. Classification of the sensors active and passive active. Before starting any electrical or electronics device installations or studying electrical practical, we should know about the measurements and its measuring instruments. Nevertheless, in the electrical field it is not always easy to find samples to compare. This electrical and electronic measurements and instrumentation multiple choice questions mcqs with answer and explanation as well as notes will certainly help aspirants to improve their knowledge for various technical competitive examinations. Classification of measuring instruments the instrument used for measuring the physical and electrical quantities is known as the measuring instrument. It presents a comprehensive treatment of the operation, performance, applications and limitations of both digital and analog instruments, normally encountered in an. Electrical measurements by buckingham and price, prentice hall. The magnitude of one of the quantity is unknown, and it is compared with the predefined value. A course in electrical and electronic ieasurements and instrumenraticn. Electronic measurements and instrumentation pdf notes emi notes pdf. An electronic instrument is the one which is based on electronic or electrical principles. Multimeters are a popular type of electrical measuring instrument. Electrical measurements are the methods, devices and calculations used to measure electrical quantities.
Me96ss series power meters are high accuracy meters for electrical load monitoring. With an absolute instrument these instruments are calibrated. Modern electronic instrumentation and measurement techniques. Electrical and electronics measurements and instrumentation. Like its name, it works like an ammeter, voltmeter, and ohmmeter to measure current, voltage, and resistance, respectively. List of electrical and electronic measuring equipment. Practical guide to electrical measurements in low voltage switchboards 1 1 electric measurements measurement.
Download a course in electronic measurements and instrumentation by a. Which book is the best for electrical measurement and. It is essential for students specializing in electrical and electronic engineering. Electrical and electronic measurements and instrumentation. Cooper, modern electronic instrumentation and measurement techniques prentice hall, 1994. Pdf electrical measuring instruments and measurements. Sawhney a course in electrical and electronic measurements and instrumentation, authored by a. Buy electrical measurements and measuring instruments by dr rajendra prasad pdf online. For example a cathode ray oscilloscope cro is capable to follow dynamic and transient changes of the order of few nano seconds 109 sec. Classification, absolute and secondary instruments, indicating instruments.
This tutorial is meant for all the readers who are aspiring to learn the concepts of electronic measurements and instrumentation. This revision covers in detail the digital and microprocessorbased instruments. The reference multimeters and calibrators 69 references 71 3. Classification of measuring instruments electrical. Bell electronic instrumentation and measurements is designed as a textbook for undergraduate students of electrical, electronics and instrumentation disciplines. The standards of electrical quantities referred to the physical phenomena and laws 58 2. Hughes electrical and electronic technology, 12th edition. Mcq on measuring instruments 1 how engineering works. All the electrical measuring instruments belong to this category. Meters, double element and three element dynamometer wattmeter, errors and compensations, measurement of unknown resistance, method of measuring low, measurement of inductance, ballistic. The measuring instrument should not affect the quantity to be measured. For further classification details, i have explained each type of electrical measuring instruments in another article.
They help in minimizing the error in the measurement systems. Op amps amplifiers, oscillator,rectifiers, differentiator, integrator, adc, dac. Electronic measurements and instrumentation pdf notes. Electronic multi measuring instruments me96 series. The electrical quantity or characteristic measured, or the type of test function for which designed. Bakshi measurements and measurement systems units and standards of measurements errors in measurements and their analysis measuring system fundamentals analog ammeters and voltmeters extension of instrument range analog measurement of power and wattmaters measurement of energy and. Measurement and instruments objective questions and answers pdf free download. The book is divided into two parts that explain the topics measurements and instrumentation. Electrical measurements pdf notes em pdf notes smartzworld. Electrical measurements and measuring instruments 1949. Sawhney and puneet sawhney, is a comprehensive course book for engineering students. Electrical measurements and measuring instruments 1949 addeddate 20170119 21. Electrical measurements and measuring instruments ebook.
Power meters are electronic meters intended for measur. Measurements and instruments and second on electrical and electronic. All the static performance characteristics are obtained by one form or another of a process called calibration. To accurately model our systems, we must take nonidealities into account. Classification of measuring instruments circuit globe. The electrical system normally depends upon a mechanical meter movement as indicating device.
Download electronic instrumentation and measurements by david a. Home tech professional electrical engineering and electronics electrical and electronic measurements and instrumentation electrical and electronic measurements and instrumentation, 4e. The electrical measurements notes pdf em notes pdf book starts with the topics covering control and damping torques, design considerations type of p. A course in electrical and electronic measurements and.
Photograph your local culture, help wikipedia and win. Electronic measurements and instrumentation read free pdf. Electronic measuring instruments tutorial tutorialspoint. Below are some examples of how the instruments themselves change our measurements. With the advancement of technology in intergrated circuits, instruments are becoming increasingly compact and accurate. However, some physical laws were derived based on measurement results, such as the biotsavart law, when in 1820, the french scientists jeanbaptiste biot and felix savart established the relation. Both signal generation signal generators, power supplies and signal measurement multimeters, scopes instruments are nonideal. However, some physical laws were derived based on measurement results, such as the biotsavart law, when in 1820, the french scientists jean. The term has its origins in the art and science of scientific instrumentmaking instrumentation can refer to devices as simple as directreading thermometers, or as complex as multisensor components of industrial control systems.
Block schematics of measuring systems, performance characteristics, static characteristics, accuracy, precision, resolution, types of errors, gausian error, root sum squares formula, dynamic characteristics, repeatability, reproducibility, fidelity, lag. The standards of measurements are very useful for calibration of measuring instruments. Instrumentation and measurements by ak sahwney ad puneet sawhney. Download electrical measurements and measuring instruments. Below is the list of measuring instruments used in electrical and electronic work. Pdf electronic and electrical measuring instruments. Instrumentation is a collective term for measuring instruments that are used for indicating, measuring and recording physical quantities. Instrumentation and measurement in electrical engineering. A course in electrical and electronic measurements and instrumentation by ak sawhney is a comprehensive course book for engineering students. The value of the electrical quantity to be measured is determined from the deflection of these instruments. Classification of electrical instruments electrical. The instruments used to measure any quantity are known as measuring instruments. Meters, double element and three element dynamometer wattmeter, errors and compensations, measurement of unknown resistance, method of measuring low, measurement.
Here, i am describing the major concepts of electrical measuring instruments in detail. The connection of the wattmeter for the measurement of electric power. The instruments which measure the total quantity of electricity delivered in a particular time are called a absolute instruments. Ammeters measure magnitude of electrical current flow in an electrical circuit. Input excitation is required electrical, pneumatic, hydraulic etc example. The static characteristics of an instrument are, in general, considered for instruments which are used to measure an unvarying process condition. There 1s an extensive coverage 4f electrical and electronic instrumentation in this. Me96 can be installed on power distribution panels, motor control centers, machine panels or other custom panels. Measurement of electrical quantities may be done to measure electrical parameters of a system. They are panel mount meters with a large lcd display and native modbus rtu or optional cclink communication. Using transducers, physical properties such as temperature, pressure, flow, force, and many others can be converted into electrical signals, which can then be conveniently measured.