A high-resolution pressure-sensing device is disclosed. The mechanism relies on the depth of the fluid or ocean and the length of the pump cylinder to accommodate shifting wave and tide patterns. When the lock body is placed into the recessed area of a storm grate; and the hook arm engaged with the latch assembly may be extended to extend under the storm grate thereby preventing removal of the storm grate by rotating the security flange nut. The radiation elements are apertures that are \u03bb2 of an operating frequency in size. The control request may include a request for the status of the document output device.