Instrumentation for process measurement and control pdf is a collective term for measuring instruments used for indicating, measuring and recording physical quantities, and has its origins in the art and science of Scientific instrument-making. The term instrumentation may refer to a device or group of devices used for direct reading thermometers or, when using many sensors, may become part of a complex Industrial control system in such as manufacturing industry, vehicles and transportation.
A local instrumentation panel on a steam turbine. The history of instrumentation can be divide into several phases. Elements of industrial instrumentation have long histories. Scales for comparing weights and simple pointers to indicate position are ancient technologies.
Some of the earliest measurements were of time. One of the oldest water clocks was found in the tomb of the ancient Egyptian pharaoh Amenhotep I, buried around 1500 BCE.