Measurement and uncertainty memorial university of. Mechanical measurements introduction to mechanical measurements 1 3 1. Performance on angular measurement using bevel protector and sine bar. Measurement is the act or the result of a quantitative comparison between a predetermined standard and an unknown magnitude. During experiments material may fail and disperse, please wear safety glasses and maintain a safe distance from the experiment. Read the 3 experiments in the lab and record your answers for what was wrong with the experimental designs. To study various temperature measuring instruments and to estimate their response times. X bar charts are used to track the averages of samples, and rcharts are used to track the ranges of samples. Experiment findings pdf available may 2017 with 3,063 reads. You will then focus on principles relating to the scientific method and the presentation of experimental data after which you will perform an experiment. The oregon department of agriculture oda metrology laboratory maintains the reference and working standards of mass and volume for the state of oregon. In a previous post, i mentioned that i have incorporated experiments in my numerical methods course.
We measured the prisms dimensions of length, width, and height and estimated their uncertainties. Measurements and uncertainties greg forbes physics 151l35 room. Choose from 500 different sets of biology lab 1 scientific method flashcards on quizlet. Reproducibility and replicability in science, a metrology perspective. The range is a measure of variability within a sample, and is defined as the difference between the maximum and minimum measurements in a sample. Metrology lab weights and measures nh department of. It is essential that the procedure and apparatus employed for obtaining the comparison must be provable.
Look at a probability density function pdf below, which describes the probability. With highly detailed instrument illustrations and an emphasis on the control and measurement of the fundamental properties of temperature, pressure and mass, high temperature experiments in chemistry and materials science provides a practical reference on high temperature measurements, for researchers, advanced students and those working in. To measure the included angle of the vblock using sine bar. This website enables the students to know about the list of experiments and manuals that corresponds to the metrology lab, department of mechanical engineering, srmist formely srm university, kattankulathur, 603203 for the academic year 20172018. The new hampshire metrology laboratory is the custodian of the official mass, volume and length standards for the state of new hampshire and provides world class level calibration services to the legal weights and measures community including both the public and private sectors. Learn biology lab 1 scientific method with free interactive flashcards. The owm laboratory metrology program provides the basis for ensuring traceability of state weights and measures stand. These services are available for laboratories, government, licensed service companies, and various industries. Ammeter and voltmeter method, self inductance measurement by general fourarmss bridge network method. No practical exercise date marks remarks signature of faculty 1 to calculate least count of vernier caliper and to measure the dimensions of given specimen using vernier caliper. In this experiment, we find the length of two curves generated from the same points one curve is a polynomial interpolant and another one is a.
Name of the experiments study basic measuring instruments. The easiest way to do this without running out of hands is to use banana plug patch cords they fit in the dmm if you unplug the probes. Proffesor, department of mechanical engineering, gitamuniversity. If any part of the equipment fails while being used, report it. Objectives to acquire skills needed for the quick and accurate determination of the mass of a sample using an analytical balance. No name of experiment page no 1 self inductance measurements. Incorporating metrology concepts into an engineering. Some of the experiments will also expose material that is not presented during lecture. The lab is equipped to certify astm class iii echelon and class f weights for both the bureaus test standards and the standards used by registered repair agencies to calibrate scales. Then the manualobservation and record will be evaluated for 50% of maximum marks. Mechanical measurements and metrology laboratory cit tumkur. For the rest of this part you will need to borrow a second dmm from another lab group. Introduction to metrology i metrology is the science of measurement i dimensional metrology is that branch of metrology which deals with measurement of dimensions of a part or workpiece lengths, angles, etc.
Chemistry 270 quantitative chemical analysis laboratory manual. Experiment 1 measurements and uncertainties lab report. The specimens we measured in this lab were a piece of cast iron figure 1 and a cube with a multitude of different surfaces figure 2. Since the galvanometer is very delicate, it is easily damaged by excessive current. The first goal of our lab was to assess the measurement surfaces that we took. The following experiments are meant to be low cost and relatively easy to do but have a high meteorology principle value. You should know how to do simple things that are described in the lab introduction section. Prelab assignments, if any, will be graded at the beginning of each lab. Your lab instructor will lead you through proper handling and equipment use procedures as well as general lab experiment expectations. In order to carry out real handson experiments, bordeaux. In this experiment you investigate the basic circuit lab instruments.
This laboratory course introduces the student to some of the rf and microwave technology and laboratory methods for its characterization. In ase369k we will use both an instrumenttype oscilloscope tektronix tds 2014 and a virtual oscilloscope, which is based on the labview software package. Do not leave the experiments unattended while in progress. Surface plate, vblock, combination set, filler gauge, vernier. In this lab, were going to use the principle of electromagnetic induction to generate electricity. Metrology may be divided depending upon the quantity under consideration into. In this experiment, we find the length of two curves generated from the same points one curve is a polynomial interpolant and another one is a spline interpolant. Laboratory exercises provide opportunities for direct study of fluid behavior. A laboratory manual for metrology and quality control third year diploma in mechanical engineering group me,pgpt maharashtra state board of technical education, mumbai. Lab 1 the scientific method and metric system overview in this laboratory you will first watch a brief video on the importance of laboratory safety, organization and cleanliness. Metrology laboratory department of agriculture inspection. To measure internal taper angle of a tapered ring gauge using precision balls.
Do not, under any circumstances, connect the galvanometer to the power supply in any way. You will then focus on principles relating to the scientific. Microwave measurement and beam instrumentation lab purpose and audience modern accelerators rely on beam manipulation using electromagnetic fields at rf and microwave frequencies. Therefore, this lab manual has been developed based on the common inspection and metrology platform, combining realtime data processing. As certain skills become necessary in the laboratory, you will have. This machinery permits us to perform on the spot tests to guarantee product conformity during its production processes, which guarantee quality in terms of measurement, materials and. Measurement of angle using sine bar sine center tool makers microscope 5. Vim international vocabulary of basic and general terms in metrology and the. At least seven experiments should be performed from the above list. To know the common sources of errors which affect the weight of a sample being measured using the analytical balance.
For some experiments, such as the hplc lab, your raw data will be a chromatogram, which can be printed out. Many of the general physics i lab experiments will ask you to graph your data in a particular way and from precalculus, you know that the equation. Metrology lab 15mel47b iv semester 1 part a mechanical measurements lab introduction measurement. Depending upon the field of application it is divided into industrial metrology, medical metrology etc. To study various temperature measuring instruments and to estimate their response. The laboratory is equipped with the latest technology for standards calibration and is traceable to the national institute of standards and. Numerical electromagnetic experiments 1 prelab assignment read through the matlab getting started manual if you are not familiar with matlab. We will go over what you need during the lab but you should get somewhat. It is the colorado metrology laboratorys policy to provide timely measurement services of the highest quality attainable meeting statutory and regulatory requirements to field staff and customers, through continuous improvement of the management system.
It is an objective of this tutor to introduce methods commonly employed in such meas urements and the usage of such electrical components such as capacitance, resistance, inductance, intensity, etc. If you like, you can pool resources and both groups make these measurements together. The owm laboratory metrology program consists of six formal regional measurement assurance program rmap groups as shown in this map. We are very proud of our metrologylab, a fully equipped room with modern machinery that allows us to perform highprecision testing and inspections.
Measurement, instrumentation and experiment design general. First rewrite your measurements from table 1into the first row of table 4 no need to rewrite their uncertainty. Chem lab experiment 1 experiment one tools for lab. You are responsible for the union of the laboratory and lecture experience, not their intersection. Additional techniques will be picked up from the future experiments. Dimensional metrology laboratory center for precision.
First rewrite your measurements from table 1into the first. September 28 th, 2012 in the first experiment my lab partner and i measured a brass rectangular prism with a paper ruler. Chemistry 270 quantitative chemical analysis laboratory. Metrology laboratories spend significant effort in measure. I dimensional measurements at the required level of accuracy are the essential link between the designers intent and a. Pdf metrology and industrial inspection lab manual researchgate. Located on the universitys charlotte research institute campus, the metrology lab is one of the core facilities of the center for precision metrology. Well be studying how the number of coils of wire and movement of the magnet can affect the. Youll measure the periods of 6 pendulums using a stopwatch and see how the uncertainty in the measurement depends on the number of times you repeat the measurement. To measure external taper angle of a tapered plug gauge using precision rollers. All of the laboratory experiments reinforce material presented during lecture. In metrology the science of measurement, a standard is an object, system, or experiment that bears a defined relationship to a unit of measurement of a physical quantity.
The rmaps include the caribbean measurement assurance program camap, the southwestern assurance program swap, the southeastern measurement assurance program semap, the northeastern measurement assurance. The laboratory experiments should deepen your understanding of the principles of quantitative. The different surfaces on the cube are listed as followed. Nevertheless, metrology activities require an expensive metrology laboratory equipped with cmms. Please follow instructions precisely as instructed by your supervisor.
To use the balance to demonstrate the need to dry samples. At least eight experiments should be performed from the above list. Jul 21, 2014 metrology lab mannual 15 514 24,086 views. Measurement, instrumentation and experiment design. Measurement of lengths, heights, diameters by vernier calipers, micrometers etc. Established in 2011, by a team of professionals with extensive experience in metrology, top metrology srl is the exclusive distributor of the company nikon metrology.
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