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Nova PM Sensor SDS011 High Precision Laser PM2.5 Air Quality Detection Sensor Module Super Dust Tester Digital Output
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Nova PM Sensor SDS011 High Precision Laser PM2.5 Air Quality Detection Sensor Module Super Dust Tester Digital Output

- China

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Main Features

The SDS011 using principle of laser scattering,can get the particle concentration between 0.3 to 10um in the air.
It with digital output and built-in fan is stable and reliable.
1. Accurate and Reliable: laser detection, stable, good consistency;
2. Quick response: response time is less than 10 seconds when the scene changes;
3. Easy integration: UART output (or IO output can be customized), fan built-in;
4. High resolution: resolution of 0.3ug/m3.
Scope of application:
PM2.5 Detector
Air Exchangers
Filtering system

Working principle:
Using laser scattering principle:
Light scattering can be induced when particles go through the detecting area.
The scattered light is transformed into electrical signals and these signals will be amplified and processed.
The number and diameter of particles can be obtained by analysis because the signal waveform has certain relations with the particles diameter.
Technical Parameters:

1Measuring outputPM2.5,PM10
2Range0.0-999.9 ug/m3
3Power supply voltage5V
4Maximum working current100mA
5Sleep current2 mA
6Operating temperature range-20-50℃
7Response time1s
8Serial data output frequency1 time/s
9Particle diameter resolutionLess than 0.3um
10Relative error10%
11Product size71x70x23mm
Interface specification:

1CTLControl pin, reserved
21um>0.3 Micron particle concentration, PWM Output
35V5V power input
425um>2.5 Micron particle concentration, PWM Output
6RSerial port receiver RX
7TSerial port transmission TX
PS: The pitch of Interface is 2.54mm
Communication protocol:
Serial communication protocol: 9600 8N1. (Rate of 9600, data bits 8, parity none, stop bits 1)
Serial report communication cycle: 1+0.5 seconds
Data frame (10 bytes): message header + order+ data(6 bytes) + checksum + message trailer

The number of bytesNameContent
0message headerAA
2data 1PM2.5 low byte
3data 2PM2.5 high byte
4data 3PM10 low byte
5data 4PM10 high byte
6data 50(reserved)
7data 60(reserved)
9message trailerAB

Checksum: data 1 + data 2 + ...+ data 6
PM2.5 data content: PM2.5 (ug/m3) = ((PM2.5 high byte*256 ) + PM2.5 low byte)/10
PM10 data content: PM10 (ug/m3) = ((PM10 high byte*256 ) + PM10 low byte)/10

Package included:

1 x Nova PM Sensor SDS011 High Precision Laser PM2.5 Air Quality Detection Sensor Module


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