Electric Portable Instruments: Design and Applications is the first book dedicated to electronic portable instruments. It explains how to design them and covers the cost, performance, size and weight, power consumption, user interface options, ruggedness, and the ability to operate in a range of environments. The author provides many examples for the uses of portable electronic instruments including: testing and laboratory instruments, medical applications, environmental monitoring, radioactive measurements, consumer products, chemical analysis and gas sensors, GPS and telemetry based systems, hobby and leisure instruments, and many more and includes numerous figures, formulae, and tables to enhance reader comprehension.