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GB/T 4130-2017Acoustics -- Low frequency calibration methods of hydrophones (English PDF)

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

January 1, 2017

Implementation date

January 1, 2017

Scope

GB/T 4130-2017 (Acoustics -- Low frequency calibration methods of hydrophones) is available as an English-translated PDF.

GB/T 4130-2017 is the Chinese standard "Acoustics -- Low frequency calibration methods of hydrophones".

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Document preview — GB/T 4130-2017

1 Scope
2 Normative references
3 Terms and Definitions
4 Symbols
5 General Calibration Procedure
5.1 General Calibration Requirements
5.2 Free field requirements
5.3 Acoustic Far Field Requirements
5.4 Steady-state requirements
5.5 Equipment Requirements
5.6 Positioning and alignment
5.7 Representation of Frequency Response
5.8 Frequency Limit
5.9 Sound Interference Check
6 Electrical Measurement
6.1 Signal Type
6.2 Electrical Grounding
6.3 Measurement of Hydrophone Output Voltage
6.4 Measurement of Transmitter Drive Current
6.5 Measurement of Transmitter Drive Voltage
7 Transducer Preparation and Adjustment
7.1 Soak
7.2 Wetting
7.3 Extension of hydrophone cable
7.4 Environmental conditions (temperature and depth)
8 Free-field three-transducer spherical wave reciprocity calibration
8.1 General Principles
8.2 Calibration to determine the sensitivity modulus (excluding phase)
8.3 Phase Calibration of Hydrophone Sensitivity
9 Free-field comparison calibration with a reference transducer
9.1 Principle
9.2 Types of comparative calibration
9.3 Hydrophone Calibration Using a Reference Hydrophone
9.4 Hydrophone Calibration Using a Reference Transmitter
9.5 Transmitter calibration using a reference hydrophone

1 Foreword

GB/T 4130-2017 is issued by State Administration for Market Regulation; Standardization Administration of the PRC.

It replaces the earlier edition GB/T 4130-2000, GB/T 4130-1984.

It is one of 3 parts of the GB/T 4130 series.

2 Scope Preview

GB/T 4130-2017 carries no ICS number and no Chinese Standard Classification code.

This catalogue holds 75,626 other GB/T standards.

Of the 47,415 GB/T standards that do carry an ICS number, 3,437 (7%) fall under ICS 77, in the field of metallurgy.

3 About this standard

Issued by: State Administration for Market Regulation; Standardization Administration of the PRC

English translation: about 15 pages (approximate)

4 Related standards

Other parts of this standard:

GB/T 4130.1-2025 — Acoustics - Calibration of hydrophones - Part 1: Procedures for free-field calibration

GB/T 4130.2-2024 — Acoustics - Calibration of hydrophones - Part 2: Procedures for low frequency pressure calibration

Other editions:

GB/T 4130-2000 (earlier edition)

GB/T 4130-1984 (earlier edition)

5 Classification and status

Prefix GB/T: recommended standard.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.

Referenced standards

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