PDF EEE 432 Measurement and Instrumentation It also contains a new impairment model which will result in earlier recognition of losses. 6.0 Recommendations and factors influencing IVD Medical Device Classification • Regulatory Authorities should work towards the establishment of a global classification system specific to in IVD Medical Devices. quantity under measurement. perfect preparation. Some widely used integrating instruments are: Ampere-hour meter: kilowatthour (kWh) meter, kilovolt-ampere-hour(kVARh) meter. Tangent Galvanometer. Classification and measurement of financial assets after initial recognition . You now have unlimited* access to books, audiobooks, magazines, and more from Scribd. Consistent with IAS 39, the classification of a financial asset is determined at initial recognition, however, if certain conditions are met, an asset may subsequently need to be reclassified. PDF Aircraft Instruments PDF An introductory guide to the medical device regulation ... PDF Measurement Systems - Philadelphia University MEASUREMENT SYSTEM The performance characteristics of an instrument are mainly divided into two categories: i) Static characteristics ii) Dynamic characteristics Static characteristics: The set of criteria defined for the instruments, which are used to measure the quantities which are slowly varying with time or mostly constant, i.e., do not vary • Control of Processes and Operations You can see some PPT - Measuring Instruments Electrical Engineering (EE) Notes | EduRev sample questions with examples at the bottom of this page. In this publication on Ind AS 32 and Ind AS 109, we deal with the classification, recognition and measurement aspects of financial instruments. Examples are Ammeter, Voltmeter, Watt meter etc. These instruments do not require comparison Generation of Sinusoidal Voltage Waveform (AC) & Some Fundamental Concepts, Test: Current & Voltage in an Inductive Circuit, Capacitive Circuit, Representation of Sinusoidal Signal by a Phasor & Solution of Current in R-L-C Series Circuits, Solution of Current in R-L-C Series Circuits, Study of Single Phase Induction Type Energy Meter or Watt-hour Meter, Study of Electro Dynamic Type Instruments, GATE Notes & Videos for Electrical Engineering, Basic Electronics Engineering for SSC JE (Technical). Instrumental analysis can be further classified according to the principles by which the measurement signal is generated. It is with the first step viz. Types of Errors in Measurement - Electronics Hub Static characteristic of an instrument are, in general, considered for instruments which are used to measure an unvarying process condition. PPT Chapter 2 The Research Problem - KSU • Ind AS 109 Financial Instruments contains guidance on the recognition, derecognition, classification and measurement of financial instruments, including impairment and hedge accounting. • They are direct reading instruments. Measuring instruments ppt. traceability is established through the use of reference measurement procedures and/or available reference materials. Most of these thermocouple types are known by a single-letter designation; the most common are J, K, T, and E. The compositions of thermocouples are international standards, but the color codes of their wires are different. A1: Generally, any instruments which are used to measure any quantity are known as measuring instruments. PDF Surveying I Unit I Indroduction and Chain Surveying 1 ... that the quantity being measured can only be determined by the output indicated • These instruments give the value of the electrical quantity in terms of absolute quantities (or some constants) of the instruments and their deflections. The magnitude of one of the quantity is unknown, and it is compared with the predefined value. That is, these instruments totalize events over a specified period of time. If you continue browsing the site, you agree to the use of cookies on this website. Many forms of float type instruments are available, but each uses the principle of a buoyant element that floats on the surface of the liquid and changes position as the liquid level varies. In the physical sciences, quality assurance, and engineering, measurement is the activity of obtaining and comparing physical quantities of real-world objects and events. Several terms of static characteristic that have discussed: 1. Passive Instruments, Active Instruments, and Balancing Instruments. Ammeters; Voltmeters EduRev is like a wikipedia using search above. PDF UNIT 5 LINEAR MEASURING DEVICES AND Linear Measuring ... 2.1.1 Active and passive instruments 12 2.1.2 Null-type and deflection-type instruments 13 2.1.3 Analogue and digital instruments 14 2.1.4 Indicating instruments and instruments with a signal output 15 2.1.5 Smart and non-smart instruments 16 2.2 Static characteristics of instruments 16 2.2.1 Accuracy and inaccuracy (measurement uncertainty) 16 Flow Measuring Device # 2. (iii). • The deflections obtained with secondary instruments will be meaningless untill it is not calibrated.• These instruments are used in general for all laboratory purposes.• Some of the very widely used secondary instruments are: ammeters, voltmeter, wattmeter, energy meter (watt-hour meter), ampere-hour meters etc. These instruments do not require comparison Examples are ammeter, voltmeter, wattmeter etc. Economy - Good level control of solids is also desirable, excessive build up in hoppers can be expensive to clear. MEASURING INSTRUMENTS In the figure above for the measurement in closed piping a distinction is made between total flow meters (totalizers) and flow rate meters (flow meters). Identity is defined as the assignment of numbers to the values of each variable in a data set. The SlideShare family just got bigger. Characterization of dosimetry systems: Instruments and methods. Among ethnomusicologists, it is the most widely used system for classifying musical instruments. Based on instruments used (ii).Based on methods. 01. The main scale and the Vernier scale can slide along the main scale. VERNIER CALLIPERS Financial assets: subsequent measurement Financial asset classification and measurement is an area where many changes have been introduced by IFRS 9. Measuring instrument. Industry, commerce, international trade in modern civilization would be impossible without a good system of standards. instrument e.g. absolute instrument or another secondary instrument, which has already been " Pressure type instruments " Mechanical type instruments " Gyro instruments " Electrical & Electronic instruments Established standard objects and events are used as units, and the process of . Financial Instruments. You can change your ad preferences anytime. Lesson 3 Classification of instruments 15-19 Lesson 4 Analog and digital modes of operation 20-25 Lesson 5 Instrument selection criteria and installation procedures 26-29 Module 3: Characteristics of instruments and measurement systems Lesson 6 Static characteristics of measuring instruments - I 30-33 Lesson 7 Static characteristics of . In this article we will discuss only types of electrical measuring instruments. meter movement as indicating device. MEASURING INSTRUMENTS • Measuring instruments are used to measure physical quantities. Electrical Engineering (EE). This includes amended guidance for the classification and measurement of financial assets by introducing a fair value through other comprehensive income category for certain debt instruments. :-These instruments are so constructed • Measuring instruments: A single control system may require information from many measuring instruments, e.g., industrial machine and process controllers, aircraft control systems. 3. Instruments are classified using 5 different categories depending on the manner in which the instrument creates the sound: Idiophones, Membranophones, Chordophones, Aerophones, & Electrophones. Complete It is very useful because the efficiency of the other gauges depends on the master gauge. This publication covers the following key questions related to classification • Comparison instruments: These instruments measure the unknown quantity by comparison with a standard. The classification categories that are possible for different financial assets are summarised below: Measurement category Type of financial asset Derivative instrument Equity Instrument Debt Instrument Amortised cost a FVTOCI - classified a - elected at initial recognition a FVTPL - classified a a a - elected at initial recognition a The result of the comparison obtained regarding numerical value. such measurement. These instruments are calibrated by comparison with an 1. Nov 11, 2021 - PPT - Measuring Instruments Electrical Engineering (EE) Notes | EduRev is made by best teachers of Electrical Engineering (EE). You can find this on the MDR 2017/745 (to be precise - Chapter V Section 1 Article 51). your solution of PPT - Measuring Instruments Electrical Engineering (EE) Notes | EduRev search giving you solved answers for the same. and min measurement possible E.g. By continuing, I agree that I am at least 13 years old and have read and agree to the. [The underlined methods are to be used in the round-robin experiments.] For example a cathode ray IAEA, Vienna, 2013 TABLE OF CONTENTS instrument in IPSAS 28 (including options and warrants) or that are required to be classified as an equity instrument in accordance with 15 and 16 or paragraphs paragraphs 17 and 18 of IPSAS 28. These instruments do not require comparison with any other standard instrument But if you want to be more specific, we can say that there are 3 sub-classes under class I. (b) Classification based on the Nature of their Operations. Class I; Class IIa; Class IIb; Class III; This goes from the products with low risk (Class I) to the products with high risk (Class III). is to supersede IAS 39 . Classification of Flow Measurement In the following, the most important measuring principles are mentioned below. The main scale carries the fixed graduations, one of two measuring jaws, a vernier head having a vernier scale engraved on. 1. 2. An instrument serves as an aid for humans in determining values of unknown quantities. You can also find PPT - Measuring Instruments Electrical Engineering (EE) Notes | EduRev ppt and other Electrical Engineering (EE) slides as well. calibrated against an absolute instrument. A few of the methods are listed below. To Study PPT - Measuring Instruments Electrical Engineering (EE) Notes | EduRev for Electrical Engineering (EE) The recording is generally made by a pen on a graph paper which is rotated on a dice or drum at a uniform speed. 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Instrument - A device or mechanism used to determine the present value of a quantity under observation. CLASS NOTES ON ELECTRICAL MEASUREMENTS & INSTRUMENTATION 2015 3 SYLLABUS ELECTRICAL MEASUREMENTS & INSTRUMENTATION (3-1-0) MODULE-I (10 HOURS) Measuring Instruments: Classification, Absolute and secondary instruments, indicating instruments, principles. Classification of Transducers The Classification of Transducers is done in many ways. Forceps are a very good example of these types of instruments. Note Futher reading is suggested: Guidelines for the development,validation and routine control of industrial radiation process. In this method instruments are used to measure distance that rely on propagation, reflection and reception of electromagnetic waves like radio, visible light or infrared waves. A wrong selection at this point will lead to a meaningless analysis. Voltage Measurement Instruments Vellore Institute of Technology • EEE 4031 WINSEM2020-21_EEE4031_ETH_VL2020210501496_Reference_Material_II_05-Feb-2021_PMMC.ppt 3. Selection of dosimetry systems; 3. Electronics and instrumentation UNIT-I TRANSDUCER f INTRODUCTION OF TRANSDUCERS • A transducer is a device that convert one form of energy to other form. Contents show Functional Elements of an Instrumentation System Functions of Instruments and Measurement Systems Functional Elements of an . 1)Mechanical measuring instruments. Measurement Systems K. Craig 6 - Certain applications of measuring instruments may be characterized as having essentially a monitoring function, e.g., thermometers, barometers, and water, gas, and electric meters, automotive speedometer and fuel gage, and compass. Characteristics of a Measurement Scale Identity. Classification of dosimetry systems; 2. Any electrical quantity like current, voltage, power etc., (which may be measured lay the indicating instruments) may be arranged to be recorded by a suitable recording mechanism. Electrostatic Voltmeters-electrometer type and . See our Privacy Policy and User Agreement for details. An instrument can be mechanical, electrical or electronic. The history of development of electrical measuring instruments is divided into three categories. It converts the measurand to a usable electrical signal. Lesson 3 Classification of instruments 15-19 Lesson 4 Analog and digital modes of operation 20-25 Lesson 5 Instrument selection criteria and installation procedures 26-29 Module 3: Characteristics of instruments and measurement systems Lesson 6 Static characteristics of measuring instruments - I 30-33 Lesson 7 Static characteristics of . STANDARDS OF. Similarly, instruments Instruments, which replaces most of the guidance in IAS 39. Measurement Systems K. Craig 6 - Certain applications of measuring instruments may be characterized as having essentially a monitoring function, e.g., thermometers, barometers, and water, gas, and electric meters, automotive speedometer and fuel gage, and compass. For example a real-time, ultrasound Doppler system can measure changes in arterial blood velocity over a cardiac cycle. level measurement instruments currently used in petrochemical industries. Consider a questionnaire that asks for a respondent's gender with the options Male and Female for instance. static instrument characteristics change, and the sensitivity to disturbance is a measure of the magnitude of this change. Mechanical instruments:- 16 Metrology and Instrumentation 2.2 CLASSIFICATION OF ERRORS Errors will creep into all measurement regardless of the care which is exerted. Geodetic surveying. Good measuring instruments in education refer to all those standardized tools which help in assessing student's performance. • In other word it is a device that is capable of converting the physical quantity into a . Some of the instruments are also named based on the above effect such as electrostatic voltmeter, induction instruments, etc. Tests & Videos, you can search for the same too. Also, time involved in the measurement is shortest. SlideShare uses cookies to improve functionality and performance, and to provide you with relevant advertising. oscilloscope (CRO) is capable to follow dynamic and transient changes of the magnitude of quantity under measurement in terms of physical constants of the treatment, separations, final measurement and assessment of results. they are unable to respond rapidly to measurement of dynamic and transient addition, the cost of many analytical instruments can be quite high. METRE RULE IFRS 9 replaces IAS 39's patchwork of arbitrary bright line tests, accommodations, options and abuse prevention measures for the classification and measurement of financial assets after initial recognition with a single model that has fewer exceptions. 3)Electronic measuring instruments. with absolute instruments for routine work is time consuming since every time a No indication of the rate or variation or the amount at a particular instant are available from them. The quantity to be measured by these instruments can be determined from the deflection of the instruments.• They are often calibrated by comparing them with either some absolute instruments or with those which have already been calibrated. REASONS FOR LEVEL MEASUREMENT Safety - in boilers, a dangerous state can develop if the water level varies outside certain limits. Quality measurement (m v/m) These techniques are for the most part all used in classical fluid flows. All the other gauges are checked by this gauge so that this gauge is called the Master Gauge. 1. Instruments will perform some internal manipulation to get the desired and understandable quantity. oscilloscope (CRO) is capable to follow dynamic and transient changes of the On 24 July 2014 the International Accounting Standards Board issued a comprehensive package of improvements to the accounting for financial instruments. Electronic distance measurement in general is a term used as a method for distance measurement by electronic means. Zero drift is sometimes known by the alternative term, bias. For example a cathode ray The classification of measuring instruments according to their accuracy is to be effected by drawing up classes characterizing different levels of accuracy for instruments of the same category. Tangent Galvanometer. 3. Classification, absolute and secondary instruments, indicating instruments, The unprecedented rise in the complexity of mobile computing solutions, e.g., smartphones and tablets, coupled with the drive to maintain lean form factors, has resulted in a strong. See our User Agreement and Privacy Policy. Measuring Instruments. The word "ammeter" is obtained by combining "am" of ampere with "meter". We can classify the ammeters into the following two . • Scientists, engineers and other humans use a vast range Characteristic of Instrument: Static and Dynamic [With PDF] Measuring instruments are the device which indicates the measured quantity into a broadly displayed information. We have the following instruments.• Indicating instruments: Indicating instruments indicate, generally the quantity to be measured by means of a pointer which moves on a scale. For example, in the measurement of altitude, airspeed and turbine engine thrust, the appropriate pressures are detected and measured by the deflections of capsule-and diaphragm-type detecting elements just as they were in some of the first instruments ever dP,veloped for pressure measurement in aircraft. • Both direct current and alternating current instruments (dc/ac instruments). Tangent Galvanometer. by the instrument. • Recording instruments: These instruments record continuously the variation of any electrical quantity with respect to time. 2.5 Medical Measurement Parameters of PPT - Measuring Instruments Electrical Engineering (EE) Notes | EduRev for Electrical Engineering (EE), the answers and examples explain the meaning of chapter in the best manner. Chapter 2 Understanding the Research Process * Insert correct bullets and place to left so they don't overlap text. Such instruments do not require comparison with any other. The example of absolute instruments are Rayleigh current balance, absolute electrometer and tangent galvanometer. The measuring instruments may be classified as follows: Absolute instrument & Secondary instruments: Absolute instrument measures the process variable directly from the process without the use of conversion. quantities. ). Electrical Engineering (EE) PPT - Measuring Instruments Electrical Engineering (EE) Notes | EduRev Summary and Exercise are very important for The quantity to be measured by these instruments can be determined from the deflection of the instruments. mechanical methods. Electronic The vernier head carries the other jaw and slides on main scale. They are mostly used as means of standard measurements and are maintained lay national laboratories and similar institutions. b.Secondary classification (i). SlideShare uses cookies to improve functionality and performance, and to provide you with relevant advertising. used. Definition of Terms Establish Measuring a set of distances between all marks associated with a new CBL to be published at the CBL Program web page. <a title="Functional . Reestablish Measuring a set of distances to supersede previously published values of an existing CBL. (e) 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. Classification of transducer. For example, a meter is a standard established by an international organization for measurement of length. These are the instruments which give the value of the quantity measured according to the constants of the instrument and its deflection. They are: • Magnetic effect: Used in ammeters, voltmeters, watt-meters, integrating meters etc.• Heating effect: Used in ammeters and voltmeters.• Chemical effect: Used in dc ampere hour meters.• Electrostatic effect: Used in voltmeters.• Electromagnetic induction effect: Used in ac ammeters, voltmeters, watt meters and integrating meters. choice of method, care should be exercised to select the proper instrument to carry out fruitful analysis. measurement is made, it takes a lot of time to compute the magnitude of Final stage. out Electrical Engineering (EE) lecture & lessons summary in the same course for Electrical Engineering (EE) Syllabus. Vernier Caliper is a widely used linear measurement instrument with the least count of 0.02 mm. IFRS 9 has an effective date of 1 January 2018. • Control of Processes and Operations They are very reliable for static and stable conditions. SLIP GAUGE. a. . Misuse of the instruments results in the failure to the zero adjustment of the instruments. 2)Electrical measuring instruments. The instrument used for measuring the physical and electrical quantities is known as the measuring instrument. These instruments have very fast response. Absolute instruments or Primary Instruments:- These instruments gives the magnitude of quantity under measurement in terms of physical constants of the instrument e.g. The unique "cryogenic" features have to do with instrumentation used to detect signal and need for low heat leak. Classification: Active and Passive Passive or Self-generating Instrument: an instrument whose output energy is supplied entirely or almost entirely by its input signal Active or Modulating Instrument: an instrument has an auxiliary of power which supplies a major part of the output power while the input signal supplies only an insignificant . The Pitot Tube: A pitot tube is a simple device meant for measuring the velocity of a liquid at any point. Sun light or artificially generated electromagnetic . that the quantity being measured can only be determined by the output indicated Hornbostel-Sachs instrument classification system was created by Erich Moritz von Hornbostel and Curt Sachs. 3. absolute instrument or another secondary instrument, which has already been It is Basic Instrument of measurement, consist of two types of scale. In addition to these major categories, there are other narrow instrument classifications -such as viewing (specula, endoscopes), dilators/probes, suturing (needle holders), aspirating (suction tubes), and accessories (mallets, etc. Sign in|Recent Site Activity|Report Abuse|Print Page|Powered By Google Sites. We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads. Linear Measurement- Different methods of direct measurement instrument for chaining, Ranging, Chaining on uneven slopping ground, Errors in Chaining, Corrections. The instruments used to measure the physical and electrical quantities are known as measuring instruments. Do check out the sample questions with any other standard instrument. From application point of view following types of Instruments are crucial for aircraft flight. The electrical system normally depends upon a mechanical No public clipboards found for this slide, The First Shots: The Epic Rivalries and Heroic Science Behind the Race to the Coronavirus Vaccine, Graceland, At Last: Notes on Hope and Heartache From the American South. with any other standard instrument. Plane surveying (ii). • The deflections obtained with secondary instruments will be meaningless untill it is not calibrated. this is your one stop solution. The vernier head can be locked to the main scale by the • Measuring instruments are used to measure physical Absolute 7.72). If you continue browsing the site, you agree to the use of cookies on this website. Basic classification of measuring instruments: 1. If you want PPT - Measuring Instruments Electrical Engineering (EE) Notes | EduRev Working To monitor instrument measuring accuracy as well as operating precision capabilities over time. The Comparator is an indirect type of precision measurement because it will not measure the dimension, it will indicate the difference in measurement between the given component and working . conditions. they are unable to respond rapidly to measurement of dynamic and transient instruments:-These instruments are so constructed They are. A basic instrument consists of a detector, a transfer device and an indicator, recorder or a storage device. Electrical instruments are instruments that use the mechanical movement of electromagnetic meter to measure voltage, power, current… Electrical technicians require electrical measurement equipment to check the electrical activity and to detect the presence of voltage or current.By using this instrument we can measure electrical parameters such as . In principle, these are indicating instruments but so arranged that a permanent continuous record of the indication is made on a chart or dial. • SSome of the examples of absolute instruments are: 2. This is The disadvantage is calibrated against an absolute instrument. measuring function or are re-usable surgical instruments.
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