It is often suggested that I use low-noise cables when incorporating piezoelectric (PE) accelerometers into my test setup. Why is this? What exactly is a low-noise cable and how does it compare with other types of instrument cables available on the market?
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Piezoresistive (PR) flight test accelerometers have traditionally been specified due to their high accuracy, low frequency and DC response capabilities within extreme environments. As PR sensor designs can also include an undesirable tendency toward excessive zero and sensitivity shifts over a wide temperature range, variable capacitance (VC) sensing technologies are also used.
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Meggitt Sensing Systems, a Meggitt group division, has announced the global release of its new "2010 Measurement Product Resource", a 63-page full-color short form catalog, highlighting select models of high-reliability sensing technologies for aerospace, automotive, industrial, R&D and test & measurement markets. Meggitt's Endevco®, Sensorex, Vibro-Meter and Wilcoxon Research product lines are now offered under one umbrella.
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