I.S. EN 62127-2:2007

National Foreword
FOREWORD
INTRODUCTION
1 Scope
2 Normative references
3 Terms, definitions and symbols
4 List of symbols
5 Overview of calibration procedures
6 Generic requirements of a hydrophone calibration
   system
7 Electrical considerations
8 Preparation of hydrophones
9 Free field reciprocity calibration
10 Free field calibration by planar scanning
11 Free field calibration by optical interferometry
12 Calibration by comparison using a standard
   hydrophone
Annex A (informative) - Assessment of uncertainty
        in free field calibration of hydrophones
Annex B (informative) - Behaviour of PVDF polymer
        sensors in high intensity ultrasonic fields
Annex C (informative) - Electrical loading corrections
Annex D (informative) - Absolute calibration of
        hydrophones using the planar scanning technique
Annex E (informative) - Properties of water
Annex F (informative) - The absolute calibration of
        hydrophones by optical interferometry up to
        40 MHz
Annex G (informative) - Waveform concepts
Annex H (informative) - Time delay spectrometry
        - requirements and a brief review of the
        technique
Annex I (informative) - Determination of the phase
        response of hydrophones
Annex J (informative) - Maximum size considerations
        for the active element of a hydrophone
Annex K (informative) - Two-transducer reciprocity
        calibration method
Bibliography
Annex ZA (normative) - Normative references to
         international publications with their
        corresponding European publications

Defines: - absolute hydrophone calibration methods; - relative (comparative) hydrophone calibration methods.