Some of Yokogawa's most recognizable products are production control systems, test and measurement instruments, pressure transmitters, flow meters, oxygen analyzers, fieldbus instruments, Manufacturing Execution Systems and Advanced Process Control.
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ODME systems also have an analyzing unit that contains the Oil content meter, a fresh water valve for cleaning purposes, and a pressure transmitter that monitors the sample flow through the measuring cell.
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A pressure transmitter will monitor the pressure in the vessel and transmit a signal from 20 100 kPa . 20 kPa means there is no pressure, 100 kPa means there is full range pressure ( can be varied by the transmitters calibration points ).
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A vented gauge pressure transmitter for example allows the outside air pressure to be exposed to the negative side of the pressure sensing diaphragm, via a vented cable or a hole on the side of the device, so that it always measures the pressure referred to ambient barometric pressure.
