What is ISO 16063-34 - Calibration of vibration and shock transducers about?
ISO 16063-34 is a safety standard on the methods for the calibration of vibration and shock transducers.
ISO 16063-34 details specifications for the instrumentation and methods to be used for testing fixed temperature sensitivity of vibration transducers. ISO 16063-34 applies to rectilinear velocity and acceleration transducers. The methods specified use both a comparison to a reference transducer and an absolute measurement by a laser interferometer.
ISO 1606334 is applicable for a frequency range from 10 Hz to 3 kHz (method-dependent), dynamic ranges from 1 m/s2 to 100 m/s2 (frequency-dependent), and a temperature range from –190 °C to 800 °C (method-dependent). Although it is possible to achieve these ranges among all the described systems, generally each has limitations within them.
Method 1 (using a laser interferometer) applies to the magnitude of sensitivity and phase calibration in the frequency range 10 Hz to 3 kHz at fixed temperatures. Method 2 (using a reference transducer inside a chamber whose temperature limit is –70 °C to 500 °C) can be used for the magnitude of sensitivity and phase calibration in the frequency range 10 Hz to 1 kHz at fixed temperatures. 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. To ensure the consistency of the use and test condition, the transducer, its cable, and the conditioning amplifier are intended to be considered as a single unit and tested together.
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 the reference temperature (room temperature 23 °C ± 5 °C).
Who is ISO 16063-34 - Calibration of vibration and shock transducers for?
ISO 16063-34 on the methods for the calibration of vibration and shock transducers is relevant to:
- Testing authorities
- Manufacturers of the transducer
Why should you use ISO 16063-34 - Calibration of vibration and shock transducers?
The purpose of ISO 16063-34 is to establish the procedures for testing the complex sensitivity of vibration transducers at fixed temperatures in the temperature range from –190 °C to 800 °C and frequency range from 10 Hz to 3 kHz.
The three methods described in ISO 16063-34 allow the determination of the complex sensitivity or temperature response of complex sensitivity of a transducer to sinusoidal vibration in the temperature chamber. Principles, procedures, and uncertainties of calibrations such as a comparison to a reference transducer or an absolute measurement by laser interferometer are given in ISO 16063-34. Calibrations are carried out using one of the three methods, depending on the different principles to be used and the temperature and frequency range limitations.
Overall, ISO 16063-34 is helpful as it assists the user to undertake measurements over the proposed temperature range in supporting uncertainty budgets for transverse, bending, rocking accelerations, hum and noise, and relative motion issues.
What’s changed since the last update?
BS ISO 16063-34:2019 replaces ISO 5347-17:1993, which has been technically revised. The main changes are as follows:
- A method for the determination of complex sensitivity using a laser interferometer has been added
- A method for the determination of complex sensitivity using a reference transducer inside the temperature chamber has been added
- A procedure for testing phase changes has been added
- Annex A for the determination of the achievement time of the setpoint temperature for the device under test has been added
- Annex B for the evaluating uncertainty caused by temperature tolerance has been added
