Abstract: The invention is related to a method and system for measuring motions of a moving, essentially rigid, floating (elongated) body such as a boat, yacht or vessel using two motion detectors that are installed near the ends of, or far enough away from each other in the (elongated) floating body. In accordance with the invention the two motion detectors are essentially simultaneously measuring the movements of the floating body.

Abstract: The invention relates to a motion detector comprising at least of one accelerometer and corresponding control electronics encapsulated in an enclosure with means for attaching the enclosure to a moving body. In accordance with the invention the motion detector includes means for turning, aligning and locking the detector in any desired direction relative to the moving body with the help of the enclosure.

Abstract: The invention is related to a method and system for measuring motions of a moving, essentially rigid, floating (elongated) body such as a boat, yacht or vessel using two motion detectors that are installed near the ends of, or far enough away from each other in the (elongated) floating body. In accordance with the invention the two motion detectors are essentially simultaneously measuring the movements of the floating body.

Abstract: The invention relates to a motion detector comprising at least of one accelerometer and corresponding control electronics encapsulated in an enclosure with means for attaching the enclosure to a moving body. In accordance with the invention the motion detector includes means for turning, aligning and locking the detector in any desired direction relative to the moving body with the help of the enclosure.

Abstract: A method and apparatus for calibrating an NDIR gas analyzer is provided. According to the method, the apparatus under calibration is calibrated with the help of a reference apparatus under controlled conditions. The reference apparatus is a laboratory-calibrated NDIR measurement apparatus in an arrangement based on circulating ambient air via both a measurement chamber of the measurement apparatus under calibration and measurement chamber of the laboratory-calibrated measurement apparatus. Adjusting the reading of a display, or alternatively, an output signal of the measurement apparatus under calibration to be equal to the reading of the display, or the output signal, respectively, of the reference apparatus is performed by a control device of the measurement apparatus.

Abstract: A yieldable assembly comprising a flange and post connected by elongated support means which allows the post to separate from the flange when struck by a vehicle but which retains connection therebetween. The support means yields under tensile strain and imparts a balanced restraining force to the vehicle after separation of the flange and post.