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Title: Pneumatrc Or Electronic Instruments?
Author: R. R. Roseberry
Source: 1966 Appalachian Gas Measurement Short Course
Year Published: 1966
Abstract: Instrumentation in the gas industry for many years was limiled to direct readine mechanical instruments, such as differential pressure recorders, static pressure recorders and temperature recorders. These instruments were usually located very close to the point of measurement. (n the 1940s. pneumatic transmission of these measurements was introduced. This allowed the recording inslrumenls to be mounted in a central location such as on a central control panel. The same measurements were still being made. The industry saw a major change in techniques of automation in the late 1950s. This was due largely to the introduction of electronic instruments. Electronics filled many gaps in measurement and control, giving the instrument engineer another medium in which to work. Some of the present problems which had not been solved by direct connected mechanical or pneumatic instruments could be approached with the new techniques offered by electronic instruments. Electronics, however, should not be considered as a cure all which can be used for all applications. The best system will be determined by the specific application and other related factors. At times it may be advantageous to combine pneumatics and electronics in the same system.

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