_x000D_ _x000D_ _x000D_ Wide range of applications, users no longer need to design the air duct ultra-thin design, only 12 mm, suitable for portable devices._x000D_ This sensor uses the principle of scattering, that is, is irradiated on suspended particles in the air to produce scattering, and at the same time, the scattered light is collected at a specific angle to obtain the curve of the scattered light with time._x000D_ Furthermore, the microprocessor uses an algorithm based on the MIE theories to obtain the equivalent particle size of the particles and the number of particles of different sizes per unit volume._x000D_ Sixsided omnidirectional shielding, strong antiinterference performance._x000D_ 0 error alarm rate, realtime response and support for continuous acquisition, minimum resolution particle size 0.3um._x000D_ _x000D_ Adapter board and cable color random, don't accept the specified color._x000D_ Colour: As shown_x000D_ Material: metal + plastic_x000D_ _x000D_ Package Contents:_x000D_ 1 * PMS7003 sensor_x000D_ 1 * adapter board_x000D_ 1 * line_x000D_ _x000D_ Only the above package content, other products are not included._x000D_ Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm._x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_