Standard Svensk standard · SS-ISO 16063-41:2018

Vibration och stöt - Sensorer - Del 41: Kalibrering av laservibrationsmätare (ISO 16063-41:2011, IDT)

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Standard Svensk standard · SS-ISO 16063-41:2018

Vibration och stöt - Sensorer - Del 41: Kalibrering av laservibrationsmätare (ISO 16063-41:2011, IDT)
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Omfattning
This part of ISO 16063 specifies the instrumentation and procedures for performing primary and
secondary calibrations of rectilinear laser vibrometers in the frequency range typically between 0,4 Hz
and 50 kHz. It specifies the calibration of laser vibrometer standards designated for the calibration
of either laser vibrometers or mechanical vibration transducers in accredited or non-accredited
calibration laboratories, as well as the calibration of laser vibrometers by a laser vibrometer standard
or by comparison to a reference transducer calibrated by laser interferometry. The specification of the
instrumentation contains requirements on laser vibrometer standards.
Rectilinear laser vibrometers can be calibrated in accordance with this part of ISO 16063 if they are
designed as laser optical transducers with, or without, an indicating instrument to sense the motion
quantities of displacement or velocity, and to transform them into proportional (i.e. time-dependent)
electrical output signals. These output signals are typically digital for laser vibrometer standards and
usually analogue for laser vibrometers. The output signal or the reading of a laser vibrometer can be the
amplitude and, in addition, occasionally the phase shift of the motion quantity (acceleration included).
In this part of ISO 16063, the calibration of the modulus of complex sensitivity is explicitly specified
(phase calibration is provided in Annex D).
NOTE Laser vibrometers are available for measuring vibrations having frequencies in the megahertz
and gigahertz ranges. To date, vibration exciters are not available for generating such high frequencies. The
calibration of these laser vibrometers can be estimated by the electrical calibration of their signal processing
subsystems utilizing appropriate synthetic Doppler signals under the following preconditions:
— the optical subsystem of the laser vibrometer to be calibrated has been proven to comply with
defined requirements comparable to those given in 5.5.3;
— synthetic Doppler signals are generated as an equivalent substitute for the output of the
photodetectors.
More detailed specifications of this approach (see Reference [25]) lie outside the scope of this part of ISO 16063.

Ämnesområden

Vibrationer och stöt, vibrationsmätning (17.160)


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Standard Svensk standard · SS-ISO 16063-41:2018

Vibration och stöt - Sensorer - Del 41: Kalibrering av laservibrationsmätare (ISO 16063-41:2011, IDT)
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Pris: 1 285 SEK
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Produktinformation

Språk: Engelska

Framtagen av: Vibration och stöt, SIS/TK 111

Internationell titel: Methods for the calibration of vibration and shock transducers - Part 41: Calibration of laser vibrometers (ISO 16063-41:2011, IDT)

Artikelnummer: STD-80006579

Utgåva: 1

Fastställd: 2018-09-11

Antal sidor: 56