Dictionary:Fig D-7

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Segd7.jpg

FIG. D-7. Depth controller is clamped around (or otherwise fastened to) streamer. When hydrostatic pressure is less than the controller setting, the vane tilts so as to cause the controller to sink as it is pulled through the water. When pressure is greater than the setting, the vane tilts the other way, causing the controller to rise. (Courtesy Conoco.)