GB/T 32065.8-2020 English PDF

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GB/T 32065.8-2020: Environmental test methods for oceanographic instruments - Part 8: Change of temperature test
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Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 32065.8-2020	149	Add to Cart	3 days	Environmental test methods for oceanographic instruments - Part 8: Change of temperature test	Valid

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Basic data

Standard ID: GB/T 32065.8-2020 (GB/T32065.8-2020)
Description (Translated English): Environmental test methods for oceanographic instruments - Part 8: Change of temperature test
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: A21
Classification of International Standard: 19.040
Word Count Estimation: 8,886
Date of Issue: 2020-11-19
Date of Implementation: 2021-06-01
Regulation (derived from): National Standard Announcement No. 26 of 2020
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 32065.8-2020: Environmental test methods for oceanographic instruments - Part 8: Change of temperature test

---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.
Environmental test methods for oceanographic instruments-Part 8.Change of temperature test ICS 19.040 A21 National Standards of People's Republic of China Environmental test methods for marine instruments Part 8.Temperature change test 2020-11-19 released 2021-06-01 implementation State Administration for Market Regulation Issued by the National Standardization Management Committee

Foreword

GB/T 32065 "Marine Instrument Environmental Test Method" 1) is planned to be divided into the following parts. ---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 8 of GB/T 32065. This section was drafted in accordance with the rules given in GB/T 1.1-2009. This part was proposed by the Ministry of Natural Resources of the People's Republic of China. This part is under the jurisdiction of the National Marine Standardization Technical Committee (SAC/TC283). Drafting organizations of this section. National Marine Standards and Metrology Center, Marine Instrumentation Institute of Shandong Academy of Sciences, Shenzhen Urit Testing Technology Co., Ltd. The main drafters of this standard. Kong Weixuan, Liu Ning, Liu Shidong, Zhang Qiang, Zhang Chuan, Liu Yong, Fu Xiao, Zhang Keke, Liu Shixuan, Mei Liguang, Song Zheng, Chen Yong. 1) Parts 1 to 7 were released in.2015, and parts 9, 14 and 15 were released in.2019. Environmental test methods for marine instruments Part 8.Temperature change test

1 Scope

This part of GB/T 32065 specifies the test requirements, test method selection, stepped temperature change Chemistry, rapid temperature changes and related information. This part is suitable for assessing or determining the adaptability of marine instruments under temperature change conditions, and can also be used as the basis for their parts and components. Reference for temperature change environmental test.

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 article Pieces. 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 GB/T 32065.2-2015 Marine instrument environmental test method Part 2.Low temperature test GB/T 32065.4-2015 Marine instrument environmental test method Part 4.High temperature test

3 Test requirements

3.1 General requirements The standard atmospheric conditions for the temperature change test of marine instruments are carried out in accordance with the provisions of 4.2 in GB/T 32065.1-2015; the test samples are safe The installation is carried out in accordance with the provisions of 6.1 in GB/T 32065.1-2015; the test interruption processing is in accordance with the provisions of Chapter 7 in GB/T 32065.1-2015 Regulations proceed. 3.2 Test equipment 3.2.1 The test equipment should comply with the provisions in Chapter 5 of GB/T 32065.1-2015. 3.2.2 The test equipment can be two temperature test chambers (chambers) or a multi-chamber temperature shock test chamber (chamber) meeting the test conditions. Unless otherwise specified, when the test sample is converted, the temperature in the test box (chamber) should be restored to within 10% of the exposure duration. Set the temperature. 3.2.3 The relative humidity in the test box (chamber) should not exceed 50%. 3.2.4 During the test, the test sample should be close to the center of the test box (chamber), and the minimum distance between any surface and the wall of the corresponding test box (chamber) Should be greater than 15cm. 3.2.5 If the mounting frame or connecting piece is tested together with the test sample, its volume should be included in the test sample volume. When multiple test samples When starting the test, in addition to meeting the requirements of 3.2.4, it should also ensure that the test samples will not interfere with each other. 3.2.6 The test sample should not be directly radiated by any heating and cooling components in the test box (chamber). 3.3 Test severity level 3.3.1 Test temperature Unless otherwise specified, the temperature change test temperature of marine instruments shall be selected from the following requirements. ......

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