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High/Low Swap
Sometimes during the rush of installing hundreds of devices, the impulse lines of a DP pressure transmitter can be plumbed to the incorrect ports on the transmitter. This error can go unnoticed even during the proof test stage of the project. However, once the process is in operation, the error becomes apparent – causing a delay until the unit installation can be corrected. As a temporary fix, Yokogawa DP transmitters with HART or BRAIN communication have a feature that electronically swaps the low-pressure and high-pressure sides of the sensor - allowing regular operation of the transmitter until the installation error is corrected during the next shutdown.
See FieldGuide FGP-130 High/Low Swap for more details.
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Differential Pressure Transmitters
Monitor and communicate pressure measurements with traditional mount or remote diaphragm seal mount transmitters.