AbstractField test for military and industrial applications requires special test equipment that meets stringent environmental requirements. These test applications require hardware that can provide high-performance and capabilities, yet be portable and rugged to ensure usability in the field. Typical environmental requirements include extended temperature range, shock & vibration, altitude, humidity, salt-fog, explosive atmosphere, EMI/RFI and more. The required levels are in most cases higher than those provided by Commercial Off The Shelf (COTS) equipment, which dictates a different approach by the tester designer. This paper discusses design approaches for such testers or data acquisition systems and advocates the use of modified COTS as the preferred solution.
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