Guangdong, China
Business Type:
Trading Company
Number of Employees:
Year of Establishment:
Export Year:
OEM/ODM Service
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Pm2.5 Sensor, Pm10 Sensor, Temperature and Humidity Sensor manufacturer / supplier in China, offering Pm2.5, Pm10, Temperature and Humidity Sensor, Ntc Resistance Switch Thermistor Mf72 Series (0.7D-25), Photoresistor Ldr Photo Resistors Light-Dependent with Metal Case (HW-MJ55) and so on.

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Supplier Homepage Products Air Quality Sensor Pm2.5, Pm10, Temperature and Humidity Sensor

Pm2.5, Pm10, Temperature and Humidity Sensor

Min. Order / Reference FOB Price
100 Pieces US $12/ Piece
Port: Shenzhen, China
Payment Terms: T/T, Western Union, Paypal, Money Gram
Type: Cabinet Air Conditioner

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Basic Info.

Model NO.
HW300D2 Four-in-one Air detection sensor module is a cost-effective digital serial port output sensor module. It uses RS485 data bus and UART serial port TTL level two output modes, integrating laser PM2.5, PM10, temperature and humidity. It provides real-time and comprehensive detection of the environment, with good stability and is very convenient for customers.
Pm2.5, Pm10, Temperature and Humidity Sensor

Application areas:
Hotel room air quality monitoring
Agricultural greenhouses, outdoor farming environment monitoring
Fresh air ventilation system
Air purifier, air conditioner
Air quality monitoring equipment
Kitchen and bathroom ventilation control system
Smart home equipment
Simultaneously output four sets of data of PM2.5, PM10, temperature and humidity
High sensitivity and stable data
Simultaneously adopt RS485 bus and UART TTL level two output modes, which is convenient for customers to choose and use.
 Temperature is accurate to 0.1 °C, humidity is accurate to 0.1%
Automatically output these four sets of monitoring data through RS485 interface every second.
With power reverse protection

ClassificationMeasurement resolutionMeasuring rangeMeasurement accuracy
PM10 5ug~5000ug±10%
Physical interfaceZH1.5-4Horizontal mother
Output Data UART-RS485
Operating Voltage 5.0±0.2VDC
Working current≤60mA
Preheat time2 minute
Operating temperature0ºC~50ºC
Working humidity ≤95%RH
Use life 5 year(in the air)

RS485 Interface definition:
15VConnected to the power supply 5V
2BRS485Data port D-/B
3ARS485 Data port D+/A
4GNDPower ground

UART Interface definition:
15VConnected to the power supply 5V
2TXDUART data output pin
3N/AHanging in the air
4GNDPower ground

Communicate Agreements:
Baud rate9600bps
Data bit8 bit
Stop bit1 bit
Check DigitNON

Serial data stream format:
B1Module addressFixed value 3Ch
B2VersionFixed value 02h
B9DataPM2.5High byte
B10DataPM2.5 Low byte
B11DataPM10 High byte
B12DataPM10 Low byte
B13DataTemperature Integer part
B14DataTemperature decimal part
B15DataHumidity Integer part
B16DataHumidity decimal part
Description: The temperature is accurate to 0.1 ° C, the humidity is accurate to 0.1%

Data example:
For example, if the value read is 3C 02 08 FC 00 79 01 D7 00 13 00 22 1B 03 30 02 18, the following results are obtained:
Temperature integerB13=1Bh=27ºC
Temperature fractionB14*0.1=03h*0.1=0.3ºC
Humidity integerB15=30h=48%RH
Humidity decimalB16*0.1=02h*0.1=0.2%RH

RS485 Connection diagram:
Pm2.5, Pm10, Temperature and Humidity Sensor

Appearance size chart (55.8mm*50mm*19.5mm):

Pm2.5, Pm10, Temperature and Humidity Sensor


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