ANSI/ASA S1.20-2012. Procedures for Calibration of Underwater Electroacoustic Transducers.
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Date
2012Corporate Author
American National Standards Institute, Inc. (ANSI)
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This standard establishes measurement procedures for calibrating underwater electroacoustic
transducers. It is a revision of American National Standard S1.20-1988 (R2003). Both primary and
secondary calibration procedures are specified for frequencies from a few hertz to a few megahertz.
Procedures are specified for determining the measurable characteristics of free-field receive voltage
sensitivity, transmitting response, directional response, voltage coupling loss, impedance, and equivalent
noise pressure. Measurement uncertainty analysis is introduced for these measurement types, with
identification of common error sources. Equations are given for the following derived characteristics:
beam pattern, directivity factor and index, equivalent two-way beam width, acoustic power output and
level, electrical power input, transmitting efficiency, open-circuit effective bandwidth, and quality factor.
Annexes have been included to address: A) free-field calibration in a laboratory t.....
Publisher
American National Standards Institute, Inc. (ANSI)Melville, NY
Series;Nr
ANSI/ASA S1.;20-2012.Document Language
enSustainable Development Goals (SDG)
14.aEssential Ocean Variables (EOV)
Ocean soundMaturity Level
MatureCitation
American National Standards Institute, Inc. (2012) ANSI/ASA S1.20-2012 Procedures for Calibration of Underwater Electroacoustic Transducers. Melville, NY, American National Standards Institute, Inc. (ANSI). Available: https://webstore.ansi.org/standards/asa/ansiasas1202012Collections
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