choose constant temperature and humidity box
Constant Temperature and Humidity Box
When the tested product (component, component, part or whole machine) is placed in the climate chamber for test, in order to ensure that the atmosphere around the tested product can meet the environmental test conditions specified in the test specification, the working size of the climate chamber and the outline size of the tested product shall comply with the following provisions:
a) The volume of the tested product (W×D×H) shall not exceed (20~35)%(20% is recommend selected) of the effective working space of the test chamber. For products that generate heat in the test, no more than 10% is recommend selected.
B) The ratio of the windward sectional area of the tested product to the total area of the test chamber on the section shall not be greater than (35~50)%(35% is recommend selected).
c) Keep the distance between the outer surface of the tested product and the wall of the test chamber at least 100~120mm (120mm is recommend selected).
the above three provisions are actually interdependent and unified. Take 1 cubic meter cube box as an example, the area ratio of 1 :( 0.35~0.5) is equivalent to the volume ratio of 1 :( 0.207~0.354). 100~150mm from the box wall corresponds to a volume ratio of 1:(0.343~0.512).
The above three points are summarized, and the volume of the working chamber of the climate and environmental test chamber should be at least 3 to 5 times the volume of the outer contour of the tested product.
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Environmental Test Equipment
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Constant Temperature and Humidity
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Triple Combined Test Chamber
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Low-Temperature Liquid Nitrogen Test
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Fluid Temperature Control Equipment
