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Working space size of constant temperature and humidity test chamber

Date: Nov 16,2020 Views: 333

When the tested product (component, component, component or complete machine) is placed in a constant temperature and humidity test chamber for testing, in order to ensure that the surrounding atmosphere of the tested product can meet the environmental conditions specified in constant temperature and humidity test chamber test specification, constant temperature and humidity test The following rules should be followed between the size of the working space of the box and the outer size of the tested product:

A The volume (W×D×H) of the tested product of the constant temperature and humidity test box shall not exceed the effective working space of the constant temperature and humidity test box (20-35) (20 is recommended). It is recommended that the product that generates heat during the test is not selected. Greater than 30.

B The ratio of the windward cross-sectional area of the tested product to the total area of the working chamber of the constant temperature and humidity test chamber on the cross-section is not greater than (35-50) (35 is recommended).

C The distance between the outer surface of the tested product and the wall of the constant temperature and humidity test chamber should be at least 100-150mm (150mm is recommended).




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