GB/T 32065.19-2020Environmental test methods for oceanographic instruments—Part 19: Immersion test (English PDF)
海洋仪器环境试验方法 第19部分：浸渍试验
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
November 19, 2020
Implementation date
June 1, 2021
Scope
GB/T 32065.19-2020 is the English-translated version of 海洋仪器环境试验方法 第19部分：浸渍试验.
GB/T 32065.19-2020 is the Chinese immersion test for oceanographic instruments. As Part 19 of GB/T 32065 it gives the test requirements and the test procedure, and serves to assess whether an instrument is fit for immersed service.
General conditions, the mounting of specimens and the handling of an interrupted test follow GB/T 32065.1-2015.
It fixes the equipment and its tolerances: a temperature chamber holding temperature to ± 2 °C with relative humidity not above 50 %, the specimen at least 15 cm from its walls, and a pool or pressure-controlled tank holding depth to ± 0.1 m and pressure to ± 0.001 MPa, filled with fresh water, seawater or artificial seawater at 15 °C to 35 °C. It then sets severity levels for the specimen temperature. It was issued on 19 November 2020 and has applied since 1 June 2021.
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Document preview — GB/T 32065.19-2020
National Standard of the People's Republic of China
- ICS
- 19.040
- Classification
- A 21
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- Foreword
- 1 Scope
- 2 Normative references
- 3 Test requirements
Foreword
GB/T 32065 "Marine Instrument Environmental Test Method" 1) is planned to be divided into the following parts.
1) Parts 1 to 7 were released in 2015, and parts 9, 14 and 15 were released in 2019.
---Part 1: General Provisions;
---Part 2: Low temperature test;
---Part 3: Low-temperature storage test;
---Part 4: High temperature test;
---Part 5: High temperature storage test;
---Part 6: Constant damp heat test;
---Part 7: Alternating damp heat test;
---Part 8: Temperature change test;
---Part 9: Mold growth test;
---Part 10: Salt spray test;
---Part 11: Impact test;
---Part 12: Crash test;
---Part 13: Tilt and swing test;
---Part 14: Vibration test;
---Part 15: Hydrostatic test;
---Part 16: Seawater corrosion test;
---Part 17: Temperature-Humidity-Vibration Comprehensive Test;
---Part 18: Biological attachment test;
--- Part 19: Immersion test.
This part is Part 19 of GB/T 32065.
This section was drafted in accordance with the rules given in GB/T 1.1-2009.
1 Scope
This part of GB/T 32065 specifies the test requirements, test process and related information of the marine instrument immersion test.
This section is applicable to assess or determine the suitability of marine instruments used under immersion conditions.
2 Normative references
The following documents are indispensable for the application of this document. For dated reference documents, only the dated version applies to this document. For undated references, the latest version (including all amendments) applies to this document.
GB/T 32065.1-2015 Environmental test methods for marine instruments Part 1: General
3 Test requirements
3.1 General requirements
The standard atmospheric conditions of the marine instrument immersion test are carried out in accordance with the provisions of 4.2 in GB/T 32065.1-2015; the installation of the test samples According to the provisions of GB/T 32065.1-2015, 6.1; the test interruption processing is in accordance with the provisions of Chapter 7 of GB/T 32065.1-2015 get on.
3.2 Test equipment
3.2.1 The test equipment, including temperature test chamber (chamber), pool or test water tank, should meet the requirements of Chapter 5 in GB/T 32065.1-2015 Regulations.
3.2.2 The allowable error of temperature in the temperature test box (chamber) is ±2°C.
3.2.3 The relative humidity in the temperature test chamber (chamber) should not exceed 50%.
3.2.4 When controlling the temperature of the test sample, the test sample should be close to the center of the temperature test box (chamber), and any surface of it should be tested with the corresponding temperature. The minimum distance between the walls of the box (chamber) should be greater than 15cm.
3.2.5 The test sample should not be directly radiated by any heating and cooling elements in the temperature test chamber (chamber).
3.2.6 The test equipment used for immersion should be a pool that meets the test water depth or a test water tank capable of pressure control. Test depth allowed The allowable error is ±0.1m, and the allowable error of test pressure is ±0.001MPa.
3.2.7 The test medium is fresh water, seawater or artificial seawater, and the temperature is 15°C~35°C.
3.3 Test severity level
3.3.1 Sample test temperature
Unless otherwise specified, the test temperature of marine instrument immersion samples shall be selected from the following requirements.
a) The temperature of the medium is higher than 27°C, suitable for marine instruments that are immersed immediately after the sun and heat
b) 10°C higher than the medium temperature, suitable for marine instruments in a typical temperature difference environment;
c) Large-volume marine instruments that cannot be put into the test box (chamber) do not consider the temperature of the test sample.
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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.
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Related Standards
GB/T 32065.1-2015 — Environmental test methods for oceanographic instruments - Part 1: General
GB/T 32065.10-2020 — Environmental test methods for oceanographic instruments—Part 10: Salt fog test
GB/T 32065.11-2021 — Environmental test methods for oceanographic instruments—Part 11: Shock and bump test
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