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About Plantower Laser Power PM 2.5 G1 PMS1003 Sensor
Overview This is a digital general-purpose particle concentration sensor that can be used to obtain 0.3 to 10 microns of suspended particulate matter per unit volume of air, ie particle concentration and output as digital interfaces, . The sensor can be embedded in a variety of airborne suspended particulate matter concentration related to instrumentation or environmental improvement equipment, to provide timely and accurate concentration data. working principle This sensor uses the principle of laser scattering. Even if the laser irradiation in the air on the suspended particulate matter on the scattering, while at a specific angle to collect scattered light, scattering light intensity obtained with the curve of time. After the data were collected by the microprocessor, the relationship between time domain and frequency domain was obtained by Fourier transform. Then, the particle size and particle size of the particles were obtained by a series of complex algorithms. Sensor technical indicators Measurement range: 0.3 ~ 1.0, 1.0 ~ 2.5, 2.5-10 (um) Counting efficiency: 50% 0.3um, 98% 0.5um Said quasi-volume: 0.1L Response time: ≤ 10S DC power supply voltage: 5.0V Maximum operating current: 120mA Standby current: ≤ 200uA Data interface level: L 2.7 3.3V Operating temperature range: -20 ~ 50C Mean time between failures: ≥ 3 years The largest size: 65 * 42 * 23mm
