In the above, we explained the GB/T12085.6-2010 optical and optical instrument environmental test method part 6: detailed test conditions of sand dust, and then we will discuss this issue.
New sand dust should be used for each test. The sample should be placed as close as possible to the center of the sand test chamber (chamber). If multiple samples are tested at the same time, the position of the sample should be perpendicular to the direction of air flow, and between the samples and between the sample and the test chamber (room). The distance between the walls is greater than 100mm, and the sample should be placed so that the most vulnerable surface is facing the dust. The position of the specimen during the test can be repositioned to expose the various surfaces to the air flow. The location and number of specimen surfaces exposed to the air flow should be specified in the relevant standards. The exposure period should be evenly distributed to each exposure. surface.
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