Abstract
The article describes the necessity to use the Internet for remote quality control and safety of liquid substations production. We present the system which is developed by us and based on a refractometer for remote control of various liquid products quality for flowing through pipeline in the online mode. The new system allows transferring information about the media state from the refractometer by the fibre-optic communication line in the Internet over distances of more than 1800 km simultaneously to several computers. The results of experimental studies of the state of various media are presented.
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