Overview
This Dust Sensor gives a good indication of the air quality in an environment by measuring the dust concentration. The Particulate Matter level (PM level) in the air is measured by counting the Low Pulse Occupancy time (LPO time) in given time unit. LPO time is proportional to PM concentration.
This sensor can provide reliable data for air purifier systems; it is responsive to PM of diameter 1μm.
Note: This sensor uses counting method to measure dust concentration, not weighing method, and the unit is pcs/L or pcs/0.01cf.
Tech specs
|
Item |
Norm |
Unit |
|
VCC |
4.75~5.75 |
V |
|
Standby Current Supply |
90 |
mA |
|
Detectable range of concentration |
0~28,000 / 0 ~ 8000 |
pcs/liter / pcs/0.01cf |
|
Operating Temperature Range |
0~45 |
°C |
|
Output Method |
Negative Logic, Digital output, High: over 4.0V(Rev.2), Low: under 0.7V |
- |
|
Detecting the particle diameter |
>1 |
μm |
|
Dimensions |
59(W) × 45(H) × 22(D) |
mm |
|
Humidity Range |
95% rh or less |
- |
Pinmaping
|
Arduino UNO |
Dust Sensor Pin |
Cable Color |
|
5V |
Pin 3 |
Red wire |
|
GND |
Pin 1 |
Black wire |
|
D8 |
Pin 4 |
Yellow wire |
Get Inspired
An indoor air quality monitoring system with dust and air pollution sensors which operates a fan independently
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