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Industrial Automatic Control Systems and Controllers

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How to Choose a Transmitter?
O.M. Nikolaev

The automatic control of technological processes in the grid and generating companies and industrial enterprises developed electricity
system widely used information-measuring systems for collecting, processing, storage, transmission and presentation of a convenient way
of measuring information. Getting information from the controlled object and its primary processing carried transducers.
This article focuses on those transducers, which are the means of measurements normalized metrological characteristics and are used
for the conversion of electrical quantities in a standardized DC signal or a digital code used for transmission or display.
As a result, the author makes a comparative analysis of the characteristics of analog and digital transmitters, highlights the main
advantages and gives recommendations on the choice of many types of converter on the market.
Focuses on the technical specifi cations (functional purpose, a method of transmitting the converted quantity, speed, accuracy of
measurement, supply voltage, operating temperature range, initial verifi cation) as the main criterion by which the transmitter can be
selected.
Keywords: analog transmitter; digital transmitter; measuring; converters DC and AC current and voltage; transformers and reactive
power AC.

Contacts: E-mail: nom@elpribor.ru

Pp. 53-56.

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