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Key Concepts And Terminology; Comparing Gp2Y1010Au0F And Gp2Y1026Au0F - Sharp GP2Y1026AU0F Application Manual

Dust sensor, arduino uno/mega
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Application Guide for Sharp GP2Y1026AU0F Dust Sensor

3. Key concepts and terminology

Dust Size
is the diameter of a dust
particle which is
measured in microns
(µm) which is the same
as a micrometre.
Dust Density
(or Dust Concentration)
is measured in units of
mass / volume such as
3
3
µg/m
or mg/m
.

4. Comparing GP2Y1010AU0F and GP2Y1026AU0F

Specification Parameter
Light emitting element
Min. detectable dust size
Dust density sensing range
Sensing time
Sensitivity / Accuracy
Output interface
Sensing of PM2.5 and
PM10 separately
LED pulse drive circuit
Offset correction
Temperature correction
Averaging of data readings
You can find the detailed specifications for both dust sensor models here.
PM
2.5
is particulate matter less
than 2.5 microns in
diameter such as
combustion particles.
Also called fine particles
which are hazardous to
human health.
Output Voltage
Sharp dust sensors
generally output a
voltage which increases
with dust density.
GP2Y1010AU0F
LED
0.5μm
3
0 to 600 μg/m
< 1 second
0.5V ± 0.15V per
3
100 µg/m
change
Accuracy ±30%
Analog
No (measures total dust
density only)
No (requires external
circuit)
No (must subtract voltage
level at zero dust)
No
No
PM
10
is particulate matter
less than 10 microns
in diameter such as
dust, pollen, and
mold.
Sensitivity
is the change in output
voltage when the dust
density changes by
3
100 µg/m
.
GP2Y1026AU0F
LED
0.5μm
3
0 to 1000 μg/m
1 second
0.35V ± 0.06V per
3
100 µg/m
change
Accuracy ±15%
Digital (UART)
No (measures total dust
density only)
Yes
Yes
Yes
Yes
http://www.socle-tech.com
4

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