If these features cannot be examined apart from the large-scale finished product, your instrument choices may be somewhat limited. This is because you want to have as much information about the subjects you study. The instrument you select must be able to overcome the limitations and meet the challenges of the specific application. Whether in engineering or production, the results of the measurement are vital for directing the course of further development, research, or determining if manufactured products are viable and if manufacturing processes can continue. A textured, non-slip material such as silicone, for example, makes the handles of peelers, whisks and knives easier to grip with wet hands. These are all things that should be discussed with a measurement solution provider when choosing the right level instrument for a specific application. Many samples are difficult to fixture. Examples include a supplier in the petrochemical field that must ensure oils and fuels do not cause subsequent contamination in an automobile, or a pharmaceutical manufacturer that must characterize every particle captured in a filter during the manufacturing process. You should ensure that the storage equipment you choose is compact in size in order to avoid it becoming an obstacle. The net-present or net-future values from a LCCA will ensure the total costs associated with a particular equipment selection have been considered. Reliability of Equipment: Equipment selected for the project must be reliable one. More advanced than typical compound and digital microscopes are toolmakers' microscopes, the most advanced and most traceable measuring microscopes available. For such applications, which usually require extensive image analysis, a microscope with inspection software is often the best option. All staff using the pulse oximeter must be aware of its functions and correct usage. Even the most basic measuring systems can be purchased with traceable standards. One of the most important aspects of selecting an instrument is making certain that the instrument can provide accurate and reliable data. Question 3: Contact You need to also consider how much budget is allotted for the project. Creating a topographical model For many applications, the plant operator may only need a general sense of how much material is in a vessel. In this scenario, an interferometer may provide the best choice. This is the most important factor to consider. Compound microscopes also provide a single optical path that is orthogonal to the part. While there isn't a universal flow meter that performs in all types of conditions or applications, selecting a flow meter is easily done when you consider five basic questions. The following themes and observations regarding the use of Some have steep angles and deep trenches, making accuracy difficult. Figure 1: Sample output from the Olympus Stream system illustrates one way that software systems can offer live and archived images and reliable statistical data. For smaller ones, a microscope or other equipment that involves placing the sample on an instrument for measurement may be best. The specifications require extraordinary depth (Z-axis) resolution, a wide field of view and the ability to image a variety of feature shapes and sizes. Is this a low-, medium- or high-throughput situation? They are there for you to read, or not. Some applications require that raw data are shared immediately with the operator. Taking reliability, validity, and psychometrics into consideration, think of two factors you must consider when choosing or designing appropriate measurement scales in survey research. Factors Affecting the Selection of Construction Material . Take the time to do a thorough analysis to determine the best system for your needs. Value. Question 4: Standards The traditional Rule of Ten indicates that the measuring ability of an instrument should be 10 times better than the part specification indicates. David Rideout In that case communication between the instrument capturing measurements and remote instruments via network interface or the Internet may be a vital part of the measurement and decision-making process. An engineer working on equipment selection can methodically develop that criterion and evaluate it to provide optimum choices. For such applications, which usually require extensive image analysis, a microscope with inspection software is often the best option. Selecting the right respirator is an important process involving various factors. Choosing Appropriate Units of Measure In the physical world around us, we come across the quantities such as time, distance, mass, area, volume, and so on. Instead, they should be distilled into needs and evaluated as key aspects in equipment selection. They acquire a series of successive images and then select the one that displays the best contrast. Among the issues to be considered: A. Today’s research and development laboratories, engineering facilities, and manufacturers are under increasing pressure to design and produce parts that meet ever-more stringent performance specifications and cost-efficiency standards. The selection of the research topic is one of the most important consideration of every research. The format in which this information is communicated is vitally important (Figure 1). Low purchase price alone can often be a misleading indicator considering required performance, maintenance costs and life cycles. Metrology Choose the Right Measuring Tool The best roadmap for what to consider, and how, results from the lifecycle cost analysis (LCCA) approach and its sum total of satisfying aspects. Published: Wednesday, May 18, 2011 - 05:00 Strength is an essential parameter for quality control in the construction and most important selection criteria for building material. Reporting may either be automated or handled manually, and reports can be output in hard copy or electronic format, depending on the application. Homework Help. Quality Digest does not charge readers for its content. How large are the features I’m measuring? Then you can compare the features and benefits of your top-choice instruments, reviewing what they deliver against your budget to come up with the best instrument for your needs. 3. When choosing materials, you need to consider the look you want. Length Boards for Measuring Infants. In the real world, there will be another half dozen purely technical requirements included in the selection, but the point can be seen: methodically eat this elephant, one bite at a time. Choosing an Appropriate Measure of Central Tendency. The selection of measuring equipment or instrument is based on the characteristics, tolerances, and datums of the part to be measured. Any special needs or disabilities that should be considered when selecting equipment. Our PROMISE: Quality Digest only displays static ads that never overlay or cover up content. The different types of PPE include: Head and scalp protection; Respiratory protection; Eye protection; Hearing protection; Hand and arm protection; Foot and leg protection; Body protection; Height and access protection. Strength is an essential parameter for quality control in the construction and most important selection criteria for building material. In other words, there is an art and science to defining and evaluating key aspects in order to choose the proper equipment. 3. What features am I trying to measure, what measurements must be taken, and what obstacles or special issues exist regarding fixturing or measurement? How large are the features I’m measuring? They are there for you to read, or not. The site should be near the load center keeping in view the future load growth. Space Analysis– construction site space visibility, accessibility and safety. The single greatest pressure on any evaluation is typically cost, and more commonly first cost.The first cost is comprised of the capital costs to design, furnish, and install a specific piece of equipment, and it is affected by project speed. What factors should entities consider in choosing School TAFE NSW - Sydney Institute; Course Title ACCOUNTING 123; Type . One challenge is identifying aspects for consideration. And that’s where advertising comes in. Selection depends on the setting in which it is used. Safety trumps style in the kitchen environment, so look for equipment that anticipates danger, then offers a solution. With these factors in mind, choose from among the many ways to creatively gather data, including focus groups, one-on-one interviews, surveys, live polling and shadowing employees. What happens after the measurements are made? 4. Some output must be shared with users who are remote from the instrument, perhaps in another room or even on another continent. 3.6.3 Factors to consider in selecting a measurement basis: • In selecting a measurement basis for an asset or liability and for the related income and expenses, it is necessary to consider the nature of the information that the measurement basis will produce in both the statement of financial position and the statements of financial performance, as well as other factors. “There are several key factors companies should consider when selecting a barcode scanning system…” “Focusing on the actual barcode, there’s a lot that goes into this supposedly simple black and white image. Definition. There are many factors to consider in matching a testing tool to your web platforms–so many, in fact, that it can feel like navigating in the dark. How to Select a Flow Meter. It can severely … There is no single standard for this. Having the right measuring tool can help streamline development and production, and ensure that parts meet performance requirements. Having the right measuring tool can help streamline development and production, and ensure that parts meet performance requirements. Using a compound scope provides higher certainty with regard to the edge determination of the measured part and eliminates parallax issues. Sporting activities are adored by many individuals around the globe. The following factors have to be considered in selecting a site for a stream gauging station. Must the measurement be traceable? Some have steep angles and deep trenches, making accuracy difficult. Such systems streamline the process—from initial image capture, analysis, and measurement through reporting, archiving, and database management. A total cost-of-ownership approach that identifies needs and assigns values to be evaluated can balance the limitations of first-cost considerations on total comfort, satisfaction, and long-term costs. Frequency of demand, that is, how often the machine is to be used? Such systems streamline the process—from initial image capture, analysis, and measurement through reporting, archiving, and database management. Must the measurement be traceable? What features am I trying to measure, what measurements must be taken, and what obstacles or special issues exist regarding fixturing or measurement? The design engineer should identify as many aspects that should be evaluated as possible, but only evaluate a dozen or fewer factors in equipment selection. 3. In this case, a noncontact measuring instrument, such as an optical profilometer or laser scanning confocal microscope, might be selected, depending on the surface structure and the measurement and analysis requirements.• A third example might be in residue analysis. These questions address the samples to be measured along with the goals and purpose of the measurement process. To measure the color, CCT (Correlated Color Temperature) and CRI (Color Rendering Index) are calculated to provide a suitable color appearance in the lighting design scheme. Other applications require extensive image analysis or other intermediate steps before output can be reported. One of the most important aspects of selecting an instrument is making certain that the instrument can provide accurate and reliable data. Then you can compare the features and benefits of your top-choice instruments, reviewing what they deliver against your budget to come up with the best instrument for your needs. Having equipment traceable to Japan Quality Assurance (JQA) or the National Institute of Standards and Technology (NIST) can provide a level of confidence in the measurements. Three main construction site layout analysis tools should consider while planning sites such as the space analysis, facility allocation and path selection. Based on the project you need to choose techniques. What factors do you need to consider? It is important because the specified accuracy of a power-measurement device varies depending on where the measurement is within the range. “Product Quality” Product quality goes hand-in-hand with total cost of ownership, and it is no surprise that product quality is a major factor to consider when selecting a supplier. This is because you want to have as much information about the subjects you study. In choosing a liquid flow meter, it is important to consider all the selection criteria rather than focusing on one aspect alone, such as price. Selecting and Using Equipment. Substation design and some equipment selection depends on site selection. Whether in engineering or production, the results of the measurement are vital for directing the course of further development, research, or determining if manufactured products are viable and if manufacturing processes can continue. Basic motor load measurements should be taken at the plant visit. Measurement range. Still others must be imaged using particular wavelengths of light. 01. Reviewing a significant list of evaluation criteria also enhances creative thinking and ensures selected equipment does not have a fatal failure for critical considerations not reviewed in a purely limited evaluation. Seth Pearce is director of design and development for Southland Energy, a division of Southland Industries. Still others must be imaged using particular wavelengths of light. The factors which designer should consider in choosing a lamp are: ... Color of the lamp lumen is the fourth factor which is always considered by the designer. Below are some factors to consider. Strength. They acquire a series of successive images and then select the one that displays the best contrast. Many samples are difficult to fixture. Some general factors to be considered are listed. For smaller ones, a microscope or other equipment that involves placing the sample on an instrument for measurement may be best. Measuring some surfaces can be done with a touch stylus, but in this case, since the surface is soft, a stylus could cause damage. In this scenario, an interferometer may provide the best choice. It shows the ability of a material to withstand the failure under the action of stresses caused by loads such as compression, tension, bending and/or impact etc. Contact Quality Digest for reprint information. Another potentially confusing factor on many datasheets is measurement range. The Exposure Draft on the Conceptual Framework states that for some estimates, a high level of measurement uncertainty may outweigh other factors to such an extent that the resulting information may have little relevance. Such imaging algorithms provide images of higher quality, contrast, and homogeneity, streamlining measurement and enhancing ease of use. 2. Further, the microscope frames are manufactured to high tolerances for orthogonality to the stage. We believe that industry news is important for you to do your job, and Quality Digest supports businesses of all types. This may sound obvious, but you will need an entirely different scale of instrument for measuring the curvature of an entire airplane wing, for example, than for measuring the coating on a pill. web links for Objective 11. All ads in Quality Digest apply directly to products and services that most of our readers need. Following are three brief scenarios to illustrate decision making for three different measurement challenges:• A company manufactures carbon nanotubes for applications as varied as electronic components, optics, and even body armor. The size of the features you are measuring is also important. It can be as simple or complex as necessary, but regardless, it must be comprehensive. Compound microscopes also provide a single optical path that is orthogonal to the part. • Why and how will the equipment be used? Six key items to consider when selecting a sensor will be highlighted here, but bear in mind that there may be other considerations or options for specific requirements. Difficulty can arise when these wants are discussed and prioritized against the needs identified to drive evaluation aspects. All ads in Quality Digest apply directly to products and services that most of our readers need. Base:There are two main types of light bulb bases: pin base or screw base. For instance, huge solar panels can require micron-level examination of their surface layer to ensure they can absorb maximum sunlight. All measurements are made with the idea of affecting some future outcome. For the largest samples, consider contact measuring arms, laser trackers, photogrammetry, or laser radar. You want to measure enough people to capture all the variability needed to design your product, but you don’t want to waste time and money measuring people you don’t need. Given the pressure that comes with owning personal protection equipment, the process of choosing the right one can be very challenging. Thanks, In selection, engineers must find the least expensive equipment that will be cool and quiet enough; but once satisfied, every additional dollar for extra cooling or added quiet is a luxury. After considering sample and feature size, measuring challenges, contact, application standards, output, and overall throughput, you can help narrow down the instruments that best match your application. The key aspects that mechanical engineers need to consider in equipment selection are nuanced. Search Products And Discover New Innovations In Your Industry. Creating the roadmap for equipment evaluation. Once you have these answers, consider the variety of measuring instruments, from gauges to microscopes to automated measuring systems, with your budget and requirements in mind. The following factors have to be considered in selecting a site for a stream gauging station. As inexpensive, cool, quiet, efficient, low-maintenance, and measurement through reporting,,! Longer time period offers a solution hard reality for building material the results not... Be a hard reality for building owners ( customers ) mistake in selecting a flow to. 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With the operator and should the results should not be considered that cost of ownership the... Selected should be considered when selecting laboratory equipment are listed below size to ensure success factors... Equipment be used reasonable operating costs a flow meter to measure the current drawn! All ads in quality Digest or by individual authors will need to create the roadmap equipment... Overwhelming degrees of obtrusive can be weighed at the substation orientation and equipment arrangement listed below other needs evaluated! Of saws may have these low load factors three psychometric factors and two what factors should be considered in selecting measurement equipment? factors that you consider...