GB/T 10586-2025 (GB/T 10586-2006) PDF EnglishUS$225.00 · In stock · Download in 9 seconds
GB/T 10586-2006: Specification for damp heat testing chambers Delivery: 9 seconds. True-PDF full-copy in English & invoice will be downloaded + auto-delivered via email. See step-by-step procedure Status: Valid GB/T 10586: Historical versions
Similar standardsGB/T 10586-2006: Specification for damp heat testing chambers---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GBT10586-2006GB NATIONAL STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA ICS 190.040 N 04 GB 10586-2006 Replacing GB/T 10586-1989 Specifications for Damp Heat Testing Chambers Issued on. APRIL 03, 2006 Implemented on. OCTOBER 01, 2006 Issued by. General Administration of Quality Supervision, Inspection and Quarantine; Standardization Administration of PRC. Table of ContentsForeword... 3 1 Scope... 5 2 Normative References... 5 3 Terms and Definitions... 6 4 Conditions of Use... 7 5 Technical Requirements... 9 6 Test Methods... 10 7 Inspection Rules... 18 8 Marking, Packaging and Storage... 20 Appendix A (Informative) Judgment Methods of Suspicious Data... 22 Appendix B (Informative) Evaluation on the Measurement Uncertainty of Temperature Deviation... 24ForewordThis Standard was one of the serial standards of “Specifications for Environmental Test Equipment”. Such serial standards consist of the following standards. --- GB/T 10586-2006 Specifications for Damp Heat Chambers; --- GB/T 10587-2006 Specifications for Salt Mist Testing Chambers; --- GB/T 10588-2006 Specifications for Mould Growth Testing Chambers; --- GB/T 10589-1989 Specification for Low Temperature Test Chambers; --- GB/T 10590-2006 Specifications for High and Low Temperature/Low Air Pressure Testing Chambers; --- GB/T 10591-2006 Specifications for High Temperature/Low Air Pressure Testing Chambers; --- GB/T 10592-1989 Specification for Low/High Temperature Test Chambers; --- GB/T 11158-1989 Specification for High Temperature Test Chambers. This Standard replaced GB/T 10586-1989 Specification for Damp Heat Test Chambers. Compared with GB/T 10586-1989, this Standard has the major technical changes as follows. a) This standard adds a Clause "Terms and Definitions"; and the content adopts the relevant parts of IEC 60068-3-5 and IEC 60068-3-6; b) According to the concept of temperature fluctuation in IEC 60068-3-5, the temperature fluctuation index is changed into 1°C (see Table 1 of this Edition); c) According to the requirements of temperature data recording in IEC 60068-3-5, the data is changed to record every minute (see 6.4 of this Edition); d) According to the temperature-rise rate test method in IEC 60068-3-5, modify the temperature-rise rate test method (see 6.4.3.8 of this Edition); e) The range of atmospheric pressure has been expanded in the environmental conditions of use (see 4.1 of this Edition); f) Propose the requirements for the quality of cooling water (see 4.3a) of this Edition); g) Expand the temperature and humidity adjustment range of Class-II products (see Table 1 of this Edition); h) Add the requirements for electrical insulation strength (see 5.3.1 of this Edition); i) The test of temperature and humidity performance is changed to be carried out under no-load conditions (see 6.2.2 of this Edition); j) Add the evaluation method and application information of the uncertainty for measurement of temperature deviation (see Appendix B of this Edition). The Appendixes A and B of this Standard are informative. This Standard was proposed by China Machinery Industry Federation. This Standard shall be under the jurisdiction of Instrumentation Technology and Economy Institute, P.R.C. Drafting organizations of this Standard. Shanghai Espec Environment Equipment Co., Ltd.; Chongqing Yinhe Testing Instrument Co., Ltd.; Guangzhou Electric Apparatus Research Institute; and Chongqing Wanda Instrument Co., Ltd. Participating drafting organizations of this Standard. Wuxi Sunan Test Equipment Co., Ltd.; Shanghai Laboratory Instrument Works Co., Ltd.; and Chengdu Tianyu Test Equipment Co., Ltd. Chief drafting staffs of this Standard. Lu Liming, Xu Qinglu, Liao Qing, Chen Yunsheng, Ni Yiming, Feng Mingkang, and Kuai Zhengxin. The historical edition replaced by this Standard is as follows. --- GB/T 10586-1989. Specifications for Damp Heat Testing Chambers1 ScopeThis Standard specifies the terms and definitions, conditions of use, technical requirements, test methods, inspection rules and marking, packaging, and storage of damp heat test chambers (hereinafter referred to as "test chambers"). This Standard is applicable to test chambers that conduct damp heat tests on electrical, electronic and other products, parts and materials.2 Normative ReferencesThe provisions in following documents become the provisions of this Standard through reference in this Standard. For dated references, the subsequent amendments (excluding corrigendum) or revisions do not apply to this Standard, however, parties who reach an agreement based on this Standard are encouraged to study if the latest versions of these documents are applicable. For undated references, the latest edition of the referenced document applies. GB/T 191-2000 Packaging - Pictorial Marking for Handling of Goods (eqv ISO 780.1997) GB/T 2423.3-1993 Basic Environmental Testing Procedures for Electric and Electronic Products - Test Ca. Damp Heat, Steady State (eqv IEC 60068-2-3.1984)3 Terms and DefinitionsFor the purpose of this Standard, the following terms and definitions apply. 3.1 Test chamber An enclosed box or space, thereof, some parts meet the specified test conditions. 3.2 Temperature setpoint The desired temperature that is set by the test chamber control device. 3.3 Achieved temperature After stabilization, the temperature at any point in the working space of the test chamber. 3.7 Temperature gradient After stabilization, in any time interval, the maximum value of the difference between the average temperature of any two points in the working space. 3.8 Temperature rate of change The rate of transition between two given temperatures measured in the centre of the working space, in °C/min. 3.9 Temperature variation in space After stabilization, in any time interval, the difference between the average temperature of the centre of the working space and the average temperature of other points in the working space.4 Conditions of Use4.1 Environmental conditions 4.2 Power supply conditions 4.3 Water supply conditions 4.4 Test load conditions The test load shall meet the following conditions at the same time.5 Technical Requirements5.1 Product performance The test chamber is divided into two types. Class-l and Class-II according to its performance. See Table 1 for its performance indicators. 5.2 Product structure and appearance requirements 5.2.1 The inner wall of the working chamber shall be made of corrosion-resistant materials; and the surface shall be easy to clean. 5.2.8 Appearance coating layer shall be flat and smooth, with uniform colour, and there shall be no traces of exposed bottom, blistering, layering or scratching. 5.3 Safety and environmental protection requirements 5.3.1 The insulation resistance value between the terminal and the metal shell of the chamber shall satisfy. more than 2MΩ in cold state, more than 1MΩ (measured by 500V megohmmeter with accuracy of Grade-1.0) in hot state; and can withstand the voltage-withstand test with 50Hz AC voltage 1500V and the voltage time of 5s. 5.3.2 The protective grounding terminal shall have a good electrical connection with the shell of test chamber; and be able to be easily and firmly wired; and shall meet the requirements of 7.1.9 of GB/T 14048.1-2000. 5.3.3 There shall be protection and alarm devices for over temperature, over current, water shortage, etc.6 Test Methods6.1 Main test instruments and devices 6.1.1 Anemometer The induction volume of the anemometer shall be no less than 0.05 m/s. 6.3 Location and number of test points 6.3.1 Three horizontal test surfaces, called upper, middle and lower layers, are set in the working room of the test chamber. The distance between the upper layer and the top surface of the working room is 1/10 of the height of the working room; the middle layer passes through the geometric centre of the working room; and the lower layer is 10mm above the sample rack of the lowest layer. 6.3.3 The relationship between the number of test points and the volume of the working chamber is. 6.4.2.2 Measure the wind speed at the relative humidity test points (see 6.5). 6.4.2.3 Make the temperature of the working space reach 25°C ± 3°C; and keep the relative humidity between 45% and 75%. 6.4.2.4 Within 1h, make the relative humidity of the working space no less than 95%. 6.4.2.5 Make the temperature and humidity of the working space continuously change, according to the procedure given in Figure 2 of GB/T 2423.4-1993, in four stages of "temperature rise - high temperature and high humidity – temperature fall - low temperature and high humidity"; and the test is carried out according to the following requirements. 6.4.3 Data processing and test results 6.4.3.1 Correct the measured temperature and humidity data according to the correction value of the test instrument. 6.9 Inspection and evaluation method of condensation and water drop in the working space 6.10 Appearance quality inspection and evaluation method 6.10.1 This inspection shall be carried out once before and after the test of 6.4, respectively. 6.10.2 Visually inspect the quality of the coating on the appearance of the test chamber, and the result shall meet the requirements of 5.2.8.7 Inspection Rules7.1 The inspection of the test chamber is divided into two categories. type inspection and exit-factory inspection. 7.2 Type inspection 7.2.1 Type inspection shall be carried out in one of the following situations. 7.2.2 Type inspection items and test methods The type inspection items and test methods are shown in Table 2. Table 2 -- Inspection Items and Test Methods 7.2.3 Sampling and judgment rules 7.3 Exit-factory inspection 7.3.1 The exit-factory inspection is responsible by the quality inspection department of the manufacturer. 7.3.2 This inspection is carried out under no-load conditions. 7.3.3 Inspection items and test methods 7.3.3.1 The inspection items and test methods are shown in Table 2. 7.3.3.2 Except for sampling inspection for temperature gradient and temperature tolerance, other items shall be inspected one by one; and all inspection items shall be qualified. 7.3.4 Sampling and evaluation rules Temperature gradient, temperature fluctuation, 7.3.4.1 The exit-factory sampling quantity of temperature gradient and temperature tolerance is calculated based on 10% of the product batch size, but no less than 2 sets.8 Marking, Packaging and Storage8.1 Marking 8.1.1 The nameplate and handwriting of the test chamber shall be clear and durable, and fastened firmly. 8.1.2 The contents of the nameplate shall include. 8.2 Packaging 8.2.1 The text and marking of the packing box shall comply with the provisions of GB/T 191-2000. 8.2.2 The packing box shall be firm and reliable. 8.2.3 The packing box shall be protected from rain and moisture accumulation. 8.3 Storage 8.3.1 The transport packages of the test chamber shall be stored in a well-ventilated warehouse without corrosive gases and chemicals. ......Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al. |
