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Capabilities: Introduction (2/9)

The property of interest interfaces with the measurement instrument via a sensor that is sensitive to the property either directly or to other measured properties from which it may be derived by calculation (processing). The remaining parts of the instrument process the measured information and deliver it as an “End-User Objective” which may be, for example, as simple as a decision in a “pass-fail” test or an accredited measurement record for compliance purposes.

To achieve the necessary measurement accuracy, repeatability and reliability the technique must be based on a very well defined systematic procedure. This includes, for example, definition of the sampling conditions, calibration of the instrument, and statistical interpretation of the results reported.

Partial lists of both the physical and chemical Properties that are of common interest and typical end-user measurement objectives (End-User Objectives) illustrate the very wide range of possible measurement configurations that may be encountered in practice.

The “Instrument” in the schematic on the previous page itself represents a multitude of possible configurations because a typical contemporary measurement instrument comprises a number of major software-hardware component parts. These instrument component parts, and Faraday Scientific’s skills and experience relating to each of them, are discussed on the next page, Capabilities: Instrumentation.
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