[PDF] Passive Infrared Motion Sensor Pims Preliminary Operation And Maintenance Manual eBook

Author : AEROSPACE RESEARCH INC BOSTON MASS.
Publisher :
Page : 38 pages
File Size : 13,4 MB
Release : 1977
Category :
ISBN :

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Figures 1 and 2 are simplified block diagrams of the Passive Infrared Motion Sensor (PIMS). Figure 3 shows the location of the 17 beams of coverage within the 20 ft. x 30 ft. specified area when the optics are mounted at 7 ft. 4 inches. The system is a motion detector using transient changes in the infrared background, within specified velocities, to generate alarms. A long term infrared source would eventually blend into the overall noise background and not be detected indefinitely. A filter is used to prevent visable light from generating alarms. Since infrared detection is passive any number of units can be placed in a particular location without interference. Infrared detection becomes less sensitive when the background temperature approaches that of the target (human intruder). Some care must be taken upon installation that clutter such as rapidly heating pipes, windows or air ducts are not located within one or more beams. Due to the long time constants involved in processing frequencies around .1 Hz, it is necessary to allow a 5 minute warmup before alarms can be considered genuine. (Author).

Author : Mark Geddes
Publisher : No Starch Press
Page : 273 pages
File Size : 34,82 MB
Release : 2016-06-01
Category : Computers
ISBN : 1593277776

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Arduino Project Handbook is a beginner-friendly collection of electronics projects using the low-cost Arduino board. With just a handful of components, an Arduino, and a computer, you’ll learn to build and program everything from light shows to arcade games to an ultrasonic security system. First you’ll get set up with an introduction to the Arduino and valuable advice on tools and components. Then you can work through the book in order or just jump to projects that catch your eye. Each project includes simple instructions, colorful photos and circuit diagrams, and all necessary code. Arduino Project Handbook is a fast and fun way to get started with micro­controllers that’s perfect for beginners, hobbyists, parents, and educators. Uses the Arduino Uno board.

Author : Department Navy
Publisher : CreateSpace
Page : 398 pages
File Size : 17,42 MB
Release : 2013-06-27
Category :
ISBN : 9781490554945

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The purpose of this order is to establish the Marine Corps Physical Security Program and provide policy to support commander's efforts to maintain a robust physical security program .

Author : R. Keith Mobley
Publisher : Elsevier
Page : 451 pages
File Size : 35,54 MB
Release : 2002-10-24
Category : Technology & Engineering
ISBN : 0080478697

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This second edition of An Introduction to Predictive Maintenance helps plant, process, maintenance and reliability managers and engineers to develop and implement a comprehensive maintenance management program, providing proven strategies for regularly monitoring critical process equipment and systems, predicting machine failures, and scheduling maintenance accordingly. Since the publication of the first edition in 1990, there have been many changes in both technology and methodology, including financial implications, the role of a maintenance organization, predictive maintenance techniques, various analyses, and maintenance of the program itself. This revision includes a complete update of the applicable chapters from the first edition as well as six additional chapters outlining the most recent information available. Having already been implemented and maintained successfully in hundreds of manufacturing and process plants worldwide, the practices detailed in this second edition of An Introduction to Predictive Maintenance will save plants and corporations, as well as U.S. industry as a whole, billions of dollars by minimizing unexpected equipment failures and its resultant high maintenance cost while increasing productivity. A comprehensive introduction to a system of monitoring critical industrial equipment Optimize the availability of process machinery and greatly reduce the cost of maintenance Provides the means to improve product quality, productivity and profitability of manufacturing and production plants

Author : Ian R. McClelland
Publisher : World Health Organization
Page : 273 pages
File Size : 11,80 MB
Release : 2004
Category : Medical
ISBN : 9241591633

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The X-ray equipment maintenance and repairs workbook is intended to help and guide staff working with, and responsible for, radiographic equipment and installations in remote institutions where the necessary technical support is not available, to perform routine maintenance and minor repairs of equipment to avoid break downs. The book can be used for self study and as a checklist for routine maintenance procedures.

Author : Jens Havskov
Publisher : Springer Science & Business Media
Page : 365 pages
File Size : 12,51 MB
Release : 2010-02-11
Category : Science
ISBN : 1402029691

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Here is unique and comprehensive coverage of modern seismic instrumentation, based on the authors’ practical experience of a quarter-century in seismology and geophysics. Their goal is to provide not only detailed information on the basics of seismic instruments but also to survey equipment on the market, blending this with only the amount of theory needed to understand the basic principles. Seismologists and technicians working with seismological instruments will find here the answers to their practical problems. Instrumentation in Earthquake Seismology is written to be understandable to the broad range of professionals working with seismological instruments and seismic data, whether students, engineers or seismologists. Whether installing seismic stations, networks and arrays, working and calibrating stationary or portable instruments, dealing with response information, or teaching about seismic instruments, professionals and academics now have a practical and authoritative sourcebook. Includes: SEISAN and SEISLOG software systems that are available from http://extras.springer.com and http://www.geo.uib.no/seismo/software/software.html

Author : Ron Mancini
Publisher : Newnes
Page : 470 pages
File Size : 12,64 MB
Release : 2003
Category : Technology & Engineering
ISBN : 0750677015

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The operational amplifier ("op amp") is the most versatile and widely used type of analog IC, used in audio and voltage amplifiers, signal conditioners, signal converters, oscillators, and analog computing systems. Almost every electronic device uses at least one op amp. This book is Texas Instruments' complete professional-level tutorial and reference to operational amplifier theory and applications. Among the topics covered are basic op amp physics (including reviews of current and voltage division, Thevenin's theorem, and transistor models), idealized op amp operation and configuration, feedback theory and methods, single and dual supply operation, understanding op amp parameters, minimizing noise in op amp circuits, and practical applications such as instrumentation amplifiers, signal conditioning, oscillators, active filters, load and level conversions, and analog computing. There is also extensive coverage of circuit construction techniques, including circuit board design, grounding, input and output isolation, using decoupling capacitors, and frequency characteristics of passive components. The material in this book is applicable to all op amp ICs from all manufacturers, not just TI. Unlike textbook treatments of op amp theory that tend to focus on idealized op amp models and configuration, this title uses idealized models only when necessary to explain op amp theory. The bulk of this book is on real-world op amps and their applications; considerations such as thermal effects, circuit noise, circuit buffering, selection of appropriate op amps for a given application, and unexpected effects in passive components are all discussed in detail. *Published in conjunction with Texas Instruments *A single volume, professional-level guide to op amp theory and applications *Covers circuit board layout techniques for manufacturing op amp circuits.