Hot selling PMSA003 A0 pm2.5 sensor G10 A003 sends adapter board and wire quality assurance

Product Descriptions

The PMSA003 is a digital general-purpose particle concentration sensor that can be used to obtain the mass and quantity of suspended 

particulates in the air per unit volume and output as a digital interface form. The sensors can be embedded in a variety of concentrations of 

environment-related instruments suspended particulate matter in the air, to provide timely and accurate concentration data.

PMS1003 version has the same technical characteristics, but it has larger dimensions.

Working principle of the product

This sensor uses the principle of laser scattering. Namely the scattering of laser irradiation in the air suspended particles, while collecting the 

scattered light at a specific angle, to obtain the scattering intensity versus with time curve. Microprocessor using based on the MIE theory of the 

algorithm, get the particle equivalent particle size and unit volume of particles of different particle size.

Sensor Structure Diagram

Technical details

Data interface

2 - pin for serial data communication interface, using universal asynchronous receiver and receiver protocol (UART).
1 - pin for control signal interface, using high and low level control, all levels are 3.3VTTL level.

Note

SET = 1 working in continuous sampling mode, the module automatically updates sampling data after each sampling, the sampling response time is less than 600 milliseconds, the data update time is less than 2 seconds.

SET = 0 the module enters the low-power standby mode.

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