They must be wired to a central office monitor so that continual device readings can be taken throughout the day and night. In the field, pressure transducers are typically installed at the ends of cables and at designated points along the cable route. The placement of these devices is critical in the leak locating process. Flow transducers are also installed wherever air is introduced in to the system. The most obvious field location is at an air pipe manifold.
Some systems use remote air dyers in the field to provide a boost in cable pressure.
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