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About This Item
Full Description
This document details specifications for the instrumentation and methods to be used for testing fixed temperature sensitivity of vibration transducers. It applies to rectilinear velocity and acceleration transducers. The methods specified use both comparison to a reference transducer, and absolute measurement by laser interferometer. This document is applicable for a frequency range from 10 Hz to 3 kHz (method-dependent), dynamic range from 1 m/s2 to 100 m/s2 (frequency-dependent) and temperature range from –190 °C to 800 °C (method-dependent). Although among all the described systems it is possible to achieve these ranges, generally each has limitations permitting their testing ranges. The methods and procedures described allow the determination of the complex sensitivity or temperature response of complex sensitivity of a transducer to sinusoidal vibration in the temperature chamber. Method 1 (using a laser interferometer) is applicable to magnitude of sensitivity and phase calibration in the frequency range 10 Hz to 3 kHz at fixed temperatures (see Clause 5). Method 2 (using a reference transducer inside a chamber whose temperature limit is –70 °C to 500 °C) can be used for magnitude of sensitivity and phase calibration in the frequency range 10 Hz to 1 kHz at fixed temperatures (see Clause 6). Method 3 (using a reference transducer outside the chamber) can only be used for the determination of the temperature response of complex sensitivity over a certain temperature range (see Clause 7). NOTE – Method 1 and Method 2 can provide the deviation of complex sensitivity over a certain temperature range if the calibration is also done at reference temperature (about 20 °C). In order to ensure the consistency of the use and test condition, the transducer, its cable and the conditioning amplifier should preferably be considered as a single unit and tested together.
Document History
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DANSK DSF/ISO/FDIS 16063-34
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Methods for the calibration of vibration and shock transducers -- Part 34: Testing of sensitivity at fixed temperatures- Historical Version
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DANSK DS/ISO 16063-34
Methods for the calibration of vibration and shock transducers – Part 34: Testing of sensitivity at fixed temperatures- Most Recent