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JJG 1018-2007: Verification Regulation of Standard Hydrophones in the Frequency Range 1Hz to 2kHz
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Verification Regulation of Standard Hydrophones in the Frequency Range 1Hz to 2kHz
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JJG 1018-2007
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Standard Method for using the Potassium (Silver)Dichromate Dosimeter to Measure γ-ray Absorbed Dose in Water
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Basic data | Standard ID | JJG 1018-2007 (JJG1018-2007) | | Description (Translated English) | Verification Regulation of Standard Hydrophones in the Frequency Range 1Hz to 2kHz | | Sector / Industry | Metrology & Measurement Industry Standard | | Classification of Chinese Standard | A59 | | Classification of International Standard | 17.140 | | Word Count Estimation | 24,261 | | Date of Issue | 2007-02-28 | | Date of Implementation | 2007-05-28 | | Quoted Standard | AQSIQ Announcement No. 41 of 2007 | | Regulation (derived from) | AQSIQ Announcement No. 41 of 2007 | | Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine | | Summary | This standard applies to the frequency range 1Hz ~ 1kHz standard hydrophone initial verification, testing and use of follow-up inspection. | JJG 1018-2007: Verification Regulation of Standard Hydrophones in the Frequency Range 1Hz to 2kHz
---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Verification Regulation of Standard Hydrophones in the Frequency Range 1Hz to 2kHz
State verification procedures People's Republic of China
1Hz ~ 2kHz standard hydrophone
1Hzto2kHz
Posted 2007-02-28
2007-05-28 implementation
The State Administration of Quality Supervision, Inspection and Quarantine released
1Hz ~ 2kHz standard hydrophone
Verification Regulation
1Hzto2kHz
The regulations by the State Administration of Quality Supervision, Inspection and Quarantine, 2007 February 28 ratification and
From May 28, 2007 into effect.
Focal point. the National Committee of the acoustic measurement technology
The main drafting units. China Shipbuilding Industry Corporation seventh fifteen Institute
Participated in the drafting unit. Institute of Acoustics
China Testing Technology Research Institute
The measurement procedure commissioned the National Technical Committee is responsible for interpreting acoustics
The main drafters of this procedure.
Zhao Han (China Shipbuilding Industry Corporation seventh fifteen Institute)
Fee Teng (China Shipbuilding Industry Corporation seventh fifteen Institute)
Royce Yuen (China Shipbuilding Industry Corporation seventh fifteen Institute)
Drafters participate.
Zhu Hou Qing (Institute of Acoustics)
Suppliers Guohua (China Testing Technology Research Institute)
table of Contents
1 Scope (1)
2. Referenced Documents (1)
3 terminology and units of measurement (1)
3.1 hydrophone open-circuit voltage (1)
3.2 hydrophone pressure sensitivity (1)
3.3 sound pressure sensitivity level (1)
Liquid column vibration 3.4 (2)
3.5 Piezoelectric compensation chamber (2)
4 Overview (2)
5 metering performance requirements (2)
5.1 of the work (2)
5.2 Sound pressure sensitivity [level] (2)
5.3 Sound pressure level Sensitivity Frequency Response (2)
6 General Requirements (2)
6.1 General Requirements (2)
6.2 Materials and Structures (2)
6.3 mark and factory calibration data (3)
7 control of measuring instruments (3)
7.1 test conditions (3)
7.2 Verification Project (4)
7.3 Verification Methods (5)
7.4 Verification Results Processing (9)
7.5 test cycle (9)
Appendix A piezoelectric transducer characteristic compensator constant Kc measuring method (10)
Appendix B calibration certificate and test results of notice-page format (12)
Appendix C Measurement Uncertainty instance (14)
1Hz ~ 2kHz standard verification procedures hydrophone
The regulations refer to the International Electrotechnical Commission IEC 60565Ed.2.2006 "underwater acoustic hydrophone 0.01Hz ~
1MHz frequency range Calibration "piezoelectric vibration compensation method calibration and calibration by liquid column.
1 Scope
The order applies to frequencies within the range of 1Hz ~ 2kHz initial verification standard hydrophone, use and subsequent verification
The testing.
2 Citations
The regulations cited in the following documents.
GB/T 3102.7-1993 "acoustic volume and unit"
GB/T 3947-1996 "Acoustics terminology"
GB/T 4128-1995 "Acoustics Standard hydrophone"
GB/T 4130-2000 "low-frequency acoustic hydrophone calibration method"
GJB/J3803-1999 "low frequency primary standard hydrophone test procedures"
JJF1001-1998 "common measurement terms and definitions"
JJF1034-2005 "Acoustic measurement terminology and definitions"
JJF1059-1999 "Evaluation and Expression of Uncertainty in Measurement"
IEC 60565Ed.2.2006, Underwateracoustics-Hydrophones-Calibrationinthefre-
quencyrange0.01Hzto1MHz
When using this procedure, it should pay attention to using the currently valid version of the documents cited.
3 terminology and units of measurement
The procedure adopted GB/T 3947-1996, JJF1001-1998, JJF1034-2005 relating to the terms and
definition.
This procedure uses quantities and units GB/T 3102.7-1993 prescribed.
3.1 hydrophone open circuit voltage (open-circuitvoltageathydrophone)
When the hydrophone is no current through the output terminal when the voltage at the end of the presentation.
Unit. V [special], V.
3.2 hydrophone pressure sensitivity (pressuresensitivityofahydrophone)
The actual output voltage and the sound effects in the hydrophone hydrophone receiving surface of the pressure ratio.
Symbol. Mp.
Unit. V per Pa, V/Pa.
3.3 sound pressure sensitivity level (pressuresensitivitylevel)
Hydrophone pressure sensitivity Mp and the reference sound pressure sensitivity ratio Mref of the base 10 logarithms multiplied by 20.
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