JB/T 9329-1999 PDF EnglishUS$230.00 · In stock · Download in 9 seconds
JB/T 9329-1999: Basic environmental conditions and testing methods for instruments transportation and storage in the transportation Delivery: 9 seconds. True-PDF full-copy in English & invoice will be downloaded + auto-delivered via email. See step-by-step procedure Status: Obsolete
Similar standardsJB/T 9329-1999: Basic environmental conditions and testing methods for instruments transportation and storage in the transportation---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/JBT9329-1999 JB MACHINERY INDUSTRY STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA ICS 19.020 N 08 Replacing ZBY 002-81 Basic environmental conditions and testing methods for instruments transportation and storage in the transportation ISSUED ON: AUGUST 06, 1999 IMPLEMENTED ON: JANUARY 01, 2000 Issued by: State Machinery Industry Bureau Table of ContentsForeword ... 3 1 Scope ... 4 2 Normative references ... 4 3 Basic environmental conditions ... 4 4 Test methods ... 5 5 Inspection rules ... 8 Basic environmental conditions and testing methods for instruments transportation and storage in the transportation1 ScopeThis Standard specifies the basic environmental conditions, test methods, and inspection rules for the transportation and storage of instruments. This Standard applies to instrument products with exit-factory packaging. For products with special storage and transportation requirements, they can be separately specified in their product standards.2 Normative referencesThe following standards contain provisions which, through reference in this Standard, constitute provisions of this Standard. At the time of publication, the editions indicated are valid. All standards are subject to revision. The parties who are using this Standard shall explore the possibility of using the latest version of the following standards. GB/T 2423.4-1993, Basic environmental testing procedures for electric and electronic products - Test Db: Damp heat, cyclic3 Basic environmental conditionsAccording to the requirements of the product standard, select the graded rated values in Table 1. Not more than 1°C per minute. 4.2.3 Test Conduct the test according to the provisions of 4.2.1 and 4.2.2. After the test, raise the temperature of the packaging to room temperature and remove it. Under normal working conditions for more than 24 h, the product performance should still meet the requirements of the product standards. 4.3 Damp heat test 4.3.1 Test conditions According to the provisions of GB/T 2423.4. 4.3.2 Test cycle The weekly period is 24 h. The test consists of 2 cycles. 4.3.3 Test Conduct the test according to the provisions of 4.3.1 and 4.3.2. Remove the packaging after the test. Under normal working conditions for more than 24 h, the product performance should still meet the requirements of the product standards. 4.4 Collision test 1 4.4.1 Installation The installation method of direct installation or transitional structure should be adopted. The packaging should be fastened to the collision table with straps. The transition structure should have sufficient rigidity to avoid causing additional resonance. 4.4.2 Test conditions Acceleration: 100 m/s2 ± 10 m/s2; Corresponding pulse duration: 11 ms ± 2 ms: Pulse repetition rate: 60 times/min~100 times/min; Continuous impact frequency: 1000 times ± 10 times; Pulse waveform: approximately half sine wave. 4.4.3 Test 1 When the collision table does not meet the volume and weight requirements of the product, the corresponding test method can be adopted through negotiation between the manufacturer and the user (such as in vehicle simulation test). Conduct the test according to the provisions of 4.4.1 and 4.4.2. After the test, the product performance should still meet the requirements of the product standard. 4.5 Drop test 4.5.1 Free fall 4.5.1.1 Test bench The test bench should be a flat and hard cement or steel plate surface. 4.5.1.2 Test conditions Drop height: 50 mm, 100 mm, 250 mm. 4.5.1.3 Falling method The bottom of the packaging falls horizontally in a free fall manner. 4.5.1.4 Number of drops 4 times. 4.5.1.5 Test Conduct the test according to the provisions of 4.5.1.1~4.5.1.4. After the test, the product performance should still meet the requirements of the product standards. 4.5.2 Inclined drop 4.5.2.1 Test bench The test bench should be a flat and hard cement or steel plate surface. 4.5.2.2 Test conditions When the length of the bottom edge is less than 500 mm, one edge should be close to the ground and the bottom angle should be 30°. When the length of the bottom edge is greater than or equal to 500 mm, one edge should be close to the ground, and the maximum distance from the tilted bottom to the ground is 250 mm. 4.5.2.3 Falling method According to 4.5.2.2, release and drop after the bottom surface is inclined. 4.5.2.4 Number of drops Each standard edge on the bottom surface of the packaging shall be tested once in ......Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al. Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of English version of JB/T 9329-1999 be delivered?Answer: The full copy PDF of English version of JB/T 9329-1999 can be downloaded in 9 seconds, and it will also be emailed to you in 9 seconds (double mechanisms to ensure the delivery reliably), with PDF-invoice.Question 2: Can I share the purchased PDF of JB/T 9329-1999_English with my colleagues?Answer: Yes. 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