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Dust sensor (PM-2.5) test program puts a fine dust sensor in a space (chamber) of a certain volume where particle concentration uniformity is secured, injects a test substance or test particle with a fixed size distribution, and evaluates the measurement accuracy and Repetability of the Dust sensor (PM-2.5) compared to the criteria measurement equipment.

The system consists of a test chamber, a particle generation module, a measuring equipment and an operating program.

Among them, the particle generation module is divided into types that can evaluate the measurement accuracy of the dust sensor while maintaining a constant concentration of the test particles, and the type that measurement accuracy and particle concentration of the Dust sensor (PM-2.5) change while constantly decreasing the concentration of the test particles over time and simultaneously evaluate the responsiveness according to the test, so the user can select the system according to the purpose of the test


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