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Electronic Portable Instruments: Design and Applications
by: Halit Eren, Curtin University of Technology, Bentley, Western Australia
Topics include: nonportable instruments, many portable instruments, color insert following page, capacitive humidity sensors, solid foreign objects, telemetry services, integrated circuit capacitors, magnetoresistive sensors, digital aspects, biomedical instruments, pyroelectric sensors, inductive sensors, nonperiodic signals, tantalum electrolytic capacitors, signal conditioning circuits, transmitted noise, semiconductor sensors, instrumentation systems, intelligent sensors, seismic mass, data acquisition boards, virtual instruments, other digital devices, capacitive sensors, execution timing
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Provides the first comprehensive reference focused entirely on electronic portable measurement instruments
Describes the concepts, operating principles, typical specifications, and limitations of portable instruments
Discusses design and construction considerations, including power supplies, operator interfaces, and software aspects
Highlights trends and emerging international standards
Presents directions for research and development
With the availability of advanced technologies, digital systems, and communications, portable instruments are rapidly evolving from simple, stand alone, low-accuracy measuring instruments to complex multifunctional, network integrated, high-performance digital devices with advanced interface capabilities. The relatively brief treatments these instruments receive in many books are no longer adequate. Designers, engineers and scientists need a comprehensive reference dedicated to electronic portable instruments that explains the state-of-art and future directions.
Electronic Portable Instruments: Design and Applications introduces the basic measurement and instrumentation concepts, describes the operating principles, and discusses the typical specifications of three main groups of portable instruments:
Portable and handheld instruments built for specific applications
Intelligent sensor-based devices with few components and dedicated features, such as implantable medical devices
Portable data systems containing fixed sensors and supporting mechanisms, but equipped with advanced communications capabilities, such as mobile weather stations
The author discusses sensors suitable for these instruments, addresses how components are selected, and clearly shows that instrument design centers on trade-offs between costs, performance, size and weight, power consumption, interface options, ruggedness, and the ability to operate in a range of environments. A multitude of tables, formulae, and figures--many in full color--enhance the presentation. Numerous examples of applications demonstrate the current diversity of these devices and point the way to future trends in development and applications.
Table of Contents
MEASUREMENTS, INSTRUMENTATION, AND ELECTRONIC PORTABLE INSTRUMENTS
Fundamentals of Measurements
Units and Standards
General Concepts on Instruments
Introduction to Portable Instruments
Response and Drift
Errors and Uncertainty
Calibration and Testing of Instruments
Controlling and Networking of Instruments
Signals and Signal Conditioning
Noise and Interference
SENSORS, TRANSDUCERS, AND ELECTRONIC INSTRUMENTS
Introduction
Voltage and Current Sensors
Magnetic Sensors
Capacitive and Charge Sensors
Semiconductor and Intelligent Sensors
Acoustic Sensors
Temperature and Heat Sensors
Light Sensors
Radiation Sensors
Chemical Sensors
Gas Sensors
Biomedical and Biological Sensors
Environmental Sensors
Pollution Sensors
Distance and Rotation Sensors
Navigational Sensors
Mechanical Variables Sensors
DIGITAL ASPECTS: HARDWARE, SOFTWARE, AND ELECTRONIC PORTABLE INSTRUMENTS
Introduction
Microprocessors, Microcontrollers, and Computers
Signal Conversion
Digital Signal Processing
Instrument Communication and Telemetry
IEEE-1451 Standards for Sensors and Actuators: Smart Transducer Interface
Virtual Instruments and Portable Instruments
DESIGN AND CONSTRUCTION OF ELECTRONIC PORTABLE INSTRUMENTS
Introduction
Design Considerations
Power Supplies and Energy Sources
Passive Circuit Components
Active Components and Circuit Design
Digital Aspects, Communication, and Networks
Operator Interface
Construction and Assembly
Software Aspects
EXAMPLES AND APPLICATIONS OF PORTABLE INSTRUMENTS
Introduction
Laboratory Instruments
Environmental Instruments
Chemical Instruments
Biomedical Instruments
Mechanical, Sound, and Vibration Instruments
Radiation, Light, and Temperature Instruments
GPS and Telemetry-Based Instruments
Computer-Based and Intelligent Instruments
Domestic, Personal, Hobby, and Leisure Portable Instruments
CONCLUSIONS AND FUTURE DIRECTIONS
BIBLIOGRAPHY
INDEX
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