ISO 8041-1:2017 pdf download – Human response to vibration — Measuring instrumentation — Part 1: General purpose vibration meters.
3? Terms,? definitions? and? symbols 3.1? Terms? and? definitions For the purposes of this document, the terms and definitions given in ISO 2041, ISO/IEC Guide 99 and the following apply. ISO and IEC maintain terminological databases for use in standardization at the following addresses: — IEC Electropedia: available at http:// www .electropedia .org/ — ISO Online browsing platform: available at http:// www .iso .org/ obp 3.1.1 General 3.1.1.1 vibration acceleration component of acceleration, where the axis of measurement is specified by application standards 3.1.1.2 band-limiting? frequency? weighting component of a frequency weighting defined by the high- and low-pass band-limiting filters 3.1.1.3 band-limited? frequency? range frequency range defined by the band-limiting component of a frequency weighting 3.1.1.4 nominal? frequency? range frequency range of interest, as defined in the relevant measurement standard
3.1.1.5 linear operating range range between lower and upper boundaries, on each measurement range, over which the linearity errors do not exceed the applicable tolerance limits specified in this document 3.1.1.6 overload condition that occurs when the upper boundary of the linear operating range is exceeded 3.1.1.7 under-range condition that occurs when the vibration value is below the lower boundary of the linear operating range 3.1.1.8 reference measurement range level range specified for testing the characteristics of the vibration instrumentation Note 1 to entry: This range is used for measuring the reference vibration. 3.1.1.9 reference vibration signal sinusoidal vibration signal, the magnitude and frequency of which are specified in this document for testing the electromechanical performance of a human-vibration meter Note 1 to entry: Different reference vibration signals are specified according to the application of the instrumentation. 3.1.1.10 calibration? check? frequency frequency specified for providing a check of the vibration sensitivity of the instrument 3.1.1.11 tone burst one or more complete cycles of a sinusoidal signal that start and end at a zero crossing of the waveform 3.1.1.12 signal burst one or more complete cycles of a periodic signal (such as saw tooth) that start and end at a zero crossing of the waveform 3.1.1.13 vibration measuring instrumentation combination of a vibration transducer, signal processor and display, being any single instrument, or a collection of instruments, which is/are capable of measuring parameters relating to human response to vibration Note 1 to entry: See Figures 1 and 2. 3.1.1.14 instrument documentation instruction manual, operating procedure or other documentation provided for the use of users of the vibration measurement instrument