NBN EN 13477-2 : 2010

Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Required test equipment
   4.1 Test set-up
   4.2 Test signal waveforms
5 Verification of sensor sensitivity
   5.1 Uses
   5.2 Test block
   5.3 Procedure
   5.4 Noise level of sensor and preamplifier
        combination
6 Verification of preamplifier performance
   6.1 Test Set-up
   6.2 Measurement of preamplifier characteristics
        6.2.1 Measurement of electronic noise
        6.2.2 Gain
        6.2.3 Bandwidth
        6.2.4 Dynamic range
7 Verification of the signal conditioning and
   measurement system
   7.1 Overview
   7.2 Bandwidth
   7.3 Verification of the detection threshold
   7.4 Verification of the measured AE burst signal
        parameters
        7.4.1 Peak amplitude
        7.4.2 Duration
        7.4.3 Rise time
        7.4.4 Ringdown count
        7.4.5 Energy
        7.4.6 Continuous signal
   7.5 Verification of the external parameter
   7.6 Verification of AE signal acquisition rate of
        the system
   7.7 Verification of the Delta-t measurement
8 Documentation
Annex A (Informative) Sensor Performance Check Form

Defines methods for routine verification of the performance of an AE equipment consisting of one or more sensing channels. Applicable to operators of the equipment.