Plantower G3 PMS3003 Laser PM2.5 Sensor Module High Precision Gas Smog Dust Tester Detector
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SKU: U2I-BG-1582987
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Description
Note:
When you receive this sensor, the surface is covered with a blue protective film. When you peel off the film, you can see the stainless steel case.
Working principle:
This sensor uses the principle of laser light scattering. That is, the laser illuminates the suspended particles in the air to generate scattering, and at the same time, the scattered light is collected at a certain angle to obtain a curve in which the intensity of the scattered light changes with time. Furthermore, the microprocessor uses an algorithm based on the MIE theory to obtain the equivalent particle size of the particles and the number of particles of different particle sizes per unit volume.
Parameter
Index
Unit
Measuring range
0.3~1.0; 1.0~2.5; 2.5~10
Micron (u m)
Counting efficiency
50%@0.3 um, 98%@ > : 0.5 um
Weighing volume
0.1
L (L)
Response time
<=10
Seconds (S)
DC supply voltage
5
Volt (V)
Maximum operating current
120
mA (nnA)
Stand-by current
100
Microamp (mA)
Data interface level
L <0.8 @3.3 H >2.7@3.3
Volt (V)
Working temperature
-10~+50
Celsius (°C)
Operating humidity range
0-99%
Mean time between failures
>3
Year (Y)
Size
50x43x21
Millimeter (mm)
PIN8
PWM
PWM
PIN7
NC
Module reset signal / TTL level @3.3V, low reset
PIN6
RESET
Serial port transmit pin / TTL level @3.3V
PIN5
TXD
Serial Receiver Pin / TTL Level @3.3V
PIN4
RXD
Set pin/TTL level @3.3V, high level or floating
PIN3
SET
For normal working state, low level is sleep state
PIN2
GND
Negative power supply
PIN1
NCVCC
Power positive +5V
Output results:
The main output is the unit concentration of the mass concentration of each concentration in the unit volume: micrograms per cubic meter.
The output is divided into two states: active output and passive output. After the sensor is powered on, the default state is active output, that is, the sensor actively sends serial data to the host at a time interval of 200~800ms. The higher the concentration of particulate matter in the air, the shorter the time interval. The active output is divided into two modes: smooth mode and fast mode.
Package includes:
1 x Laser PM2.5 Sensor Module
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