Air Data Systems and Test Sets for modern aircraft demand the highest degree of performance from transducers. While accurate pressure transducers have been available for several years, even the very best still require frequent recalibration. At best, drift becomes the largest error within six (6) months of uncalibrated operation. A series of digital quartz pressure transducers has been developed meeting the stringent performance requirements of Air Data Systems including long term drift. Over one year of simulated air data tests, drift rates of less than one-tenth millibar (0,01 % full scale) per year were confirmed. This represents an altitude error of only three (3) feet. To attain this remarkable degree of stability it was necessary to incorporate in the transducer some of the latest high-tech materials, processes, and measurement methods. The success of these developments is demonstrated by the superior performance of these new digital quartz pressure transducers.
High stability pressure transducers for air data systems and test sets
Hochstabile Druckaufnehmer fuer Luftfahrt-Messsysteme und -Pruefeinrichtungen
NAECON 1985 ; 270-274
1985
5 Seiten, 4 Bilder, 2 Tabellen, 4 Quellen
Aufsatz (Konferenz)
Englisch
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