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Title: Remote Measuring And Control Instruments In The Natural Gas Industry
Author: Perry A, Borden
Source: 1938 Southwestern Gas Measurement Short Course (Now called ISHM)
Year Published: 1938
Abstract: rpHE BASIC idea of a telemetering installation is to reproduce, at a convenient location, a measurement made at a remote point, and to express this measurement as an indication, a graphic record, or often, in cases of flow measurement, as an integration of the total volume passing the point of measurement. To these basic functions may be added those of totalizing measurements made at a number of more or less separated points, and of providing a control of pressure or flow at one location in order to maintain desired conditions at another point in a system. The remote measurement and control of industrial quantities originated in the electrical power field about 1912, and was early followed by instruments and devices for providing distant records of non-electrical magnitudes, such as liquid, level and flow. In the past fifteen years the art has been greatly broadened, and is now adapted not only to providing an indication or graphic record of a quantity measuied at a remote location, but also to a number of other purposes, as suggested above.

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