Jul 30, 2016 euree 306 electrical measurements k manohar assistant professor dept. Electrical measurements unit wise lecture notes and study materials in pdf format for engineering students. Nptel provides elearning through online web and video courses various streams. Flux density measurement with ballistic galvanometer. Electrical field strength, e, is the negative of the gradient in electrical potential, i. Meters, double element and three element dynamometer wattmeter, errors and compensations, measurement of unknown resistance, method of measuring low, measurement of inductance, ballistic galvanometer, etc. Aug 30, 2018 electrical measurements unit wise lecture notes and study materials in pdf format for engineering students. R, l, c voltage division experimental plots time domain frequency domain bode plots instrumentation. To understand concepts of various electrical and electronic measuring instruments.
Methods of measurement based on agreed units and standards. For these three linear devices there is a linear relationship between the current through the device i and the voltage across the. Basic electrical measurements e80 feb 26, 2012 prof. Gitam university visakhapatnam 530 043 slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Errors, uncertainty, and reliability of signal processing 26 2. Criteria the skills in the measurements practice, proved by.
Voltage or electromotive force emf is th e poten tial for work. Flux density measurement with ballistic galvanometer contd main download. Units of measurement and their standards, which is concerned with the establishment, reproduction, conservation and transfer of units of measurement and their standards. Cooper, modern electronic instrumentation and measurement techniques prentice hall, 1994. Browse the worlds largest ebookstore and start reading today on the web, tablet, phone, or ereader.
In the united states, electrical potentials more than 48 v are considered dangerous to human life. Electrical measurements and measuring instruments by bakshitechnical publications. In the united states, electrical potentials more than 48v are considered dangerous to human life. It is a core course for all ug electrical engineering students. Euree 306 electrical measurements k manohar assistant professor dept. The content of this course is also aligned to the syllabus for the gate ee exam. Sarah harriss lecture from 2009 overview circuits electrical building blocks. Electrical field, e, is the negative of the gradient in electrical potential, i. Electrical measurements lab manual pdf download for now on this particular page we have provided em lab handbook in pdf for jntuh jntuk or jntua students of b.
Measuring instruments classification deflecting, control and damping torques ammeters and voltmeters pmmc, moving iron type instruments expression for the deflecting torque and control torque errors and compensations, extension of range using shunts and series resistance. The schematic symbols for common components including resistors r, capacitors c, and inductors l. Electrical and electronic measurements l t p cr 3 1 2 4. This will be done by using simple experiments that introduce a dc power supply, a multimeter, and a simpli ed way to represent electric circuits using a schematic diagram. A course in electrical and electronic ieasurements and instrumenraticn. Practical guide to electrical measurements in low voltage switchboards 1 1 electric measurements measurement. Electrical measurements introduction in this section, electrical measurements will be discussed. Electrical measurements fluke, amprobe, and extech electrical measurement, power quality and safety meters and voltage detectors electrical problems constitute a majority of mechanical failures and equipment breakdowns in the hvacr industry.
You will gain experience by wiring a simple electrical circuit and drawing its circuit diagram. Measurement of voltage record the voltage readings on the multimeter including sign and the reading on the power supplys meter. In situ electrical measurements of polytypic silver nanowires article pdf available in nanotechnology 198. Typical parameters for this category of noncontact electrical measurements are minority carrier lifetime r, diffusion length l, and iron concentration fe\.
Electrical measurements measurement computing corp. Voltage is the difference in potential between two points. Criteria the skills in the measurements practice, proved by the laboratory forms, filled by every student. You will learn the correct use of a digital multimeter as an ohmmeter, voltmeter and ammeter. The electrical measurements notes pdf em notes pdf book starts with the topics covering control and damping torques, design considerations type of p. Sep 02, 2018 electrical measurements lab manual pdf download for now on this particular page we have provided em lab handbook in pdf for jntuh jntuk or jntua students of b. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Electrical measurements are the methods, devices and calculations used to measure electrical quantities. Although people have survived electrical shocks exceeding thousands of volts and lightning strikes carrying millions of watts of power, everyone should treat electricity with caution and respect. Electrical and electronic measurement and instruments by a. Electrical measurements experimental objective the objective of this experiment is to become familiar with some of the electrical instruments. Measurements of the many quantities by which the behavior of electricity is characterized. Nevertheless, in the electrical field it is not always easy to find samples to compare. Electrical units and standards article about electrical.
Technical publications, 2009 electric measurements 504 pages. The standard units of electrical measurement used for the expression of voltage, current and resistance are the volt v, ampere a and ohm. Electrical measurements pdf notes em pdf notes smartzworld. Electrical measurements as you work through the steps in the lab procedure, record your experimental values and the results on this worksheet. Nptel, online courses and certification, learn for free. Electrical measurement national measurement institute nmi.
Measurements of electrical quantities extend over a wide dynamic range and frequencies ranging from 0 to 10 12 hz. The following texts are the property of their respective authors and we thank them for giving us the opportunity to share for free to students, teachers and users of the web their texts will used. This book, written for the benefit of engineering students and practicing engineers alike, is the culmination of the authors four decades of experience related to the subject of electrical measurements, comprising nearly 30 years of experimental research and more than 15 years of teaching at several engineering institutions. Pdf in situ electrical measurements of polytypic silver. Electrical measurements and measuring instruments by e. Measuring instruments classification deflecting, control and damping torques ammeters and voltmeters pmmc, moving iron type instruments expression for the deflecting torque and control. Electrical measuring instruments electrical measuring instruments published by iskra mis, d. So scroll above and download electrical measurements lab manual and if. As practical skills we aim at the end of the course to be able to perform simple electrical measurements of voltage, current, and resistance, as well as more sophisticated, scientific electrical measurements. We saw that the voltage was like a pressure and current was a flow. Typical applications are qualification of the incoming wafer material by estimation of lifetimes and the concentration of heavy metals lifetimekillers that form deep levels in silicon. Voltage, u, is the difference in electrical potential. Use the exact values you record for your data to make later calculations.
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 and recorded. Electrical measurements and measuring instruments u. Measurement of electrical quantities may be done to measure electrical parameters of a system. Assessment of skills and knowledge gained by attending the scheduled activities of the electrical and electronic measurements course is accomplished using the methodology described in the following. Where the impedance of an element related the voltage to the current. So scroll above and download electrical measurements lab manual and if you face any problem, dont hesitate to write about it to us. Kubernetes for beginners docker introduction in 15. This twoday course 9 am to 5 pm covers essential knowledge of the theory and practice of electrical measurement using digital multimeters and calibrators. Cooper, modern electronic instrumentation and measurement techniques prentice hall. Highprecision laboratory measurements of electrical quantities are used in experiments to determine fundamental physical properties such as the charge of the electron or the speed of light, and in the definition of the units for electrical measurements, with precision in some cases on the order of a few parts per million. Learn for free, pay a small fee for exam and get a certificate.
Weber in 1851 led to the absolute cgs system in which all units of quantities to be measured could be derived from the base units of length, mass, and timethe centimeter, gram, and second. Three q uantities are stu died in this ex periment. Last time we saw that we could define circuits though. Mass and electric charge, mass flow and electric current.
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