GB/T 11606.14-1989 Environmental test methods for analytical instruments Low temperature storage test GB/T11606.14-1989 Standard download decompression password: www.bzxz.net

National Standard of the People's Republic of China
Environmental test method for analytical instruments
Cold storage test
The method of cnvironmental test for analytical instrumentscntsCold storage test
1 Subject content and scope of application
GB11606.14-89
This standard specifies the grouping, test conditions and test methods of low temperature storage test for analytical instruments (hereinafter referred to as instruments). This standard is applicable to the assessment of the adaptability of fully packaged instruments for transportation and storage under low temperature environmental conditions. 2 Low temperature storage test grouping
3. Test conditions
3.1 Requirements for test equipmentbZxz.net
3.1.1 The test box (room) should be able to provide the temperature specified in Chapter 2 of this standard in its working space, with an allowable error of ±2°C. The instrument should not be directly radiated by any heating and cooling elements. 3.1.2 The volume of the test box (room) should be greater than 3 times the volume of the instrument. 4 Test method
4.1 Pretreatment
Put the instrument in normal (or reference) environmental conditions to achieve temperature equilibrium. 4.2 Test
Put the instrument in the test box (room), then lower the temperature of the test box (room) to the specified value at an average temperature change rate of less than 1℃/min, and keep it for 8h.
4.3 Recovery
After the test, the instrument remains in the test box (room), and the temperature of the test box (room) is raised to normal (or reference) environmental conditions at an average temperature change rate of less than 1℃/min, and the recovery time is 8h. 4.4 Final inspection
Inspect the instrument according to relevant standards.
GB/T11606.14—1989 "Analytical Instrument Environmental Test Method Low Temperature Storage Test" Amendment No. 1 This amendment was approved by the State Administration of Quality and Technical Supervision on July 19, 2000 in the document No. [2000]108, and will be effective from December 1, 2000. 1. Add one more article between the original Articles 4.1 and 4.2, and it is numbered as Article 4.2. 4.2 Initial Inspection
Inspect the instrument according to the relevant standards. 2. The original Article 4.2 and the following articles are modified accordingly.
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