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Author: Publisher: ISBN: Category : Languages : en Pages : 4
Book Description
An improved automated electronic balance calibration and record system has been developed using a spread sheet to consolidate information required to calibrate electronic balances and satisfy requirements for traceability, validation and documentation. Several improvements have been made over an Epson HX-20{trademark} notebook computer-based balance calibration system, which was developed at the Savannah River Site in 1986 and used continuously since to annually calibrate electronic balances. These improvements included: built in tables of balance models performance test limits and calibration standards' apparent masses & uncertainties; calculated ratios of balance to test weight uncertainties; bar-code data input; enhanced graphs and tables; and permanent electronic records. The software and hardware were thoroughly tested by calibrating 30 balances in another department. Hardware for importing data from balances through an RS-232 interface and bar code reader into a portable computer's spread sheet was evaluated and found to add little value to the calibration process. Computerized data collection minimizes record handling and reduces paper work costs by>50%. Databases are established for each organization's electronic balances that contain records for each balance that are identified by model, property identification number and location. In addition, each record contains calibration and expiration dates, performance testing information, etc. Details of equipment, statistical testing, spread sheet features and examples of the program are described.
Author: Publisher: ISBN: Category : Languages : en Pages : 4
Book Description
An improved automated electronic balance calibration and record system has been developed using a spread sheet to consolidate information required to calibrate electronic balances and satisfy requirements for traceability, validation and documentation. Several improvements have been made over an Epson HX-20{trademark} notebook computer-based balance calibration system, which was developed at the Savannah River Site in 1986 and used continuously since to annually calibrate electronic balances. These improvements included: built in tables of balance models performance test limits and calibration standards' apparent masses & uncertainties; calculated ratios of balance to test weight uncertainties; bar-code data input; enhanced graphs and tables; and permanent electronic records. The software and hardware were thoroughly tested by calibrating 30 balances in another department. Hardware for importing data from balances through an RS-232 interface and bar code reader into a portable computer's spread sheet was evaluated and found to add little value to the calibration process. Computerized data collection minimizes record handling and reduces paper work costs by>50%. Databases are established for each organization's electronic balances that contain records for each balance that are identified by model, property identification number and location. In addition, each record contains calibration and expiration dates, performance testing information, etc. Details of equipment, statistical testing, spread sheet features and examples of the program are described.
Author: Vincent J. Lee Publisher: Forgotten Books ISBN: 9781528312288 Category : Languages : en Pages : 44
Book Description
Excerpt from Technical Documentation for the Mass Calibration Laboratory Balance Automation The balance automation software was written to improve and ease the process of mass calibrations. Previously, mass calibration staff would measure a set of weights and record, manually on paper, the balance readings for each weighing step in the weighing process. This introduces dust into the measuring environment and inaccuracies in data collection. The weighing steps are dictated by the measurement design chosen by the staff according to the weight set. Proper sequencing of the measurements must also be done by hand most likely for long and tedious designs. Environmental values of air temperature, atmospheric pressure and relative humidity are recorded twice once before the weight measurements and once after also manually. Note as well that although the balances are electronic and capable of serial communications with computer equipment, they were used manually. The automation software's function allows one to four operators, each at any of the four stations, to perform measurements simultaneously. The software coordinates the balance and environmental readings by connecting the computer to the instruments via the coms boxes for each mass measurement. It communicates with the thermometer, barometer, hygrometer and balance through links between the ports of the coms boxes to get their readings, records the data values in files on the data disk, and instructs the operator on when to place weights on the balance pan. After the measurement of the weights is completed, the software filters the data for operator-rejected measurements, combines the data from previous series if they exist, and creates an input file that is formatted for the Mass Code software program. The Mass Code runs (and was developed) separately from this automation software. Note that the input file is created only after a single-series design measurement or after the last series of a design is complete. Also, the data file may be read into a Spreadsheet program for custom analysis. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Author: Publisher: ISBN: Category : Languages : en Pages : 15
Book Description
Manual tank calibrations often have variabilities of both a random and systematic nature that often affect the quality of the data collected for determining accurate calibration equations. When performing the calibration run, data omissions and transcriptions often occur (forgetting to tare weigh the prover vessel or miswriting a displayed value). A computer can be used to minimize these errors associated with the logging of data. This paper describes a IBM compatible, portable computer based system, developed at the Savannah River Site (SRS), that was used to calibrate three tanks in the second quarter 1990. It received data directly from instrumentation such as Ruska differential pressure sensors and electronic balances, while prompting the technicians to perform the various steps in the calibration procedure. This automated system greatly improved the quality of data for calculating the calibration equation for each of these tanks over previous calibration runs.
Author: Jay L. Bucher Publisher: Quality Press ISBN: 1636941982 Category : Business & Economics Languages : en Pages : 204
Book Description
If a business expects to be a player in their market segment, their product(s) must have the quality expected by their customers. This can only be accomplished with test equipment that produces repeatable, accurate, and traceable measurements and/or outputs. Without a quality calibration system in place, this cannot and will not happen. This book is about how to design, implement, maintain, and continuously improve a quality calibration system, with all the required documentation, traceability, and known uncertainty for each and every item of test equipment owned and used by any company, large or small. It will benefit companies that want to implement a program and also those that already have one in place. Some industries have tighter requirements than others on how they treat calibration; some are more specific about how their standards are read, while being vague about what is needed to meet calibration. Is there one tried-and-true quality calibration system that every organization can use as a foundation for its personalized program? There certainly is, and The Quality Calibration Handbook describes it. By using the quality calibration system outlined and demonstrated, any organization can put together its own version to meet its specific requirements and/or regulations. Quality calibration systems are the very foundation for improving research and development (R&D), production, and quality assurance arenas through accurate, reliable, and traceable calibrations of their test equipment. By ensuring the calibration of test equipment used in the production of genetic identity kits used by law enforcement at crime scenes, the guilty are often caught and the innocent exonerated. Calibrated test equipment used in support of the airline and automotive industries helps prevent disasters. At pharmaceutical companies, calibration technicians quietly lay the foundation for quality treatments that help keep us healthy, cure diseases, and sometimes prevent death. This book explains why a quality calibration system can be the difference between life and death, success and failure, andmost important to shareholders and boards of directorsprofit and loss. COMMENTS FROM OTHER CUSTOMERS Average Customer Rating (5 of 5 based on 4 reviews) "This book offers me the information I need to upgrade the quality of the service I provide to customers. It makes the quantum leap between the theory and practice in calibration. I needed this applicable and practical information a long time ago." A reader in Anchorage, Alaska "This book is a great and simple reference guide for developing a world class calibration system. If you are thinking about revamping your calibration system or developing one, this book is a must. This book is written by a person sharing his practical experience to less experienced people." A reader in Austin, Texas "Excellent reference for setting up a calibration program or improving your current operations. This book is a must read for anyone working in the metrology field." A reader in Springboro, Ohio "This book is for anyone who wants to learn more about the requirements of a good calibration program. It gives easy to understand guidelines and practical advice to help you make your calibration program world class." A reader in Putnam, Connecticut
Author: Franco Pavese Publisher: Springer Science & Business Media ISBN: 1475758693 Category : Technology & Engineering Languages : en Pages : 518
Book Description
Since the beginning of the preparation of this volume, we have been convinced that temperature and pressure measurements should not be separated, particularly in different applications at low temperatures. This belief has made us deeply conscious of the fact that the advanced applications and modern experimental methods of investigation in science and technology need the combination of various professional experiences and approaches. Although the book is divided into two parts (Part I by F. Pavese and Part II by G. F. Molinar), we have tried to correlate low-temperature and low-pressure measurements as much as possible. We hope that our readers will find this book, which contains a large number of experimental and reference data, useful in their effort to solve measurement problems. We are pleased to acknowledge our debt to several persons and wish to express our gratitude to them for their valuable cooperation and help: to our research group colleagues at the Istituto di Metrologia "G. Colonnetti" -IMGC (CNR), without whom the knowledge and the experience we built up during many years could not have been acquired; to G. T. McConville, M. Durieux, and K. Grohmann for revisions of and various suggestions for Part I; to V. E. Bean and C. R. Tilford of NIST and G. T. McConville for revisions of and various suggestions for Part II; and to I. Prinetti of IMGC for many valuable suggestions and careful textual revisions.
Author: United States. Congress. House. Committee on Science. Subcommittee on Technology Publisher: ISBN: Category : Business & Economics Languages : en Pages : 160
Author: J. D. Jones Publisher: ISBN: Category : Languages : en Pages : 5
Book Description
Mass and weight standards calibration costs have been reduced by 50 percent and the measurement quality improved at the Department of Energy's Savannah River Site's Savannah River Standard's Laboratory.
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Author: Vincent J. Lee
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Author: Jay L. Bucher
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Author: Franco Pavese
Author: United States. Congress. House. Committee on Science. Subcommittee on Technology
Author: J. D. Jones