SM300D2 7-in-1 PM2.5 + PM10 + Temperature + Humidity + CO2 + eCO2 + TVOC Sensor Tester Detector Module with Display for Air Quality Monitoring

Brand: Geekcreit

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ID: 1677424
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                    Without  Display Board ID: 1681079

                    Overview :

                    The SM300D2 seven-in-one sensor module is a cost-effective digital serial output sensor module. It uses both RS485 data bus and UART serial port TTL level output modes, collecting CO2, formaldehyde, TVOC, laser PM2.5, PM10, temperature , Humidity in one. It can carry out real-time comprehensive detection of the environment in which it is located, and has good stability.

                    Features :

                    ● Simultaneous output of carbon dioxide, formaldehyde, TVOC, PM2.5, PM10, temperature, humidity seven sets of data
                    ● High sensitivity and stable data
                    ● At the same time, it adopts two output modes of RS485 bus and UART TTL level, which is convenient for customers to choose and use independently.
                    ● The temperature is accurate to 0.1 ℃, and the humidity is accurate to 0.1% RH
                    ● Automatically output these seven sets of monitoring data via RS485 interface every second
                    ● With power supply anti-reverse protection function

                    Application :

                    ● Hotel room air quality monitoring
                    ● Environmental monitoring of agricultural greenhouses and outdoor breeding sites
                    ● Fresh air ventilation system
                    ● Air purifier, air conditioner
                    ● Air quality monitoring equipment
                    ● Kitchen and bathroom ventilation control system
                    ● Smart home equipment

                    Specifications :

                    Nameresolutionrangeaccuracy
                    eCO2400ppm~5000ppm ±50ppm
                    eCH2O1ug/m31ug~1000ug
                    TVOC1ug/m30ug~2000ug
                    PM2.50.8ug/m35ug~1000ug±10%
                    PM105ug~1000ug±10%
                    Temperature0.01℃-40℃~125℃±0.5℃
                    Humidity0.04%0~100%±3%RH
                    Physical interfaceZH1.5-4
                    Output DataUART-RS485 
                    Operating Voltage5.0±0.2VDC
                    Working current≤60mA
                    Preheat time2 min
                    Operating temperature0℃~50℃
                    Working humidity≤95%RH
                    Dimensions55.8*50*19.5mm(L×W×H)
                    Service life5 years (in the air)

                    Sample Data :

                    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 result is obtained:
                    ChecksumB17=unit_8(3Ch+02h+08h+0FCh+00h+79h+01h+D7h+00h+13h+00h+22h+1Bh+03h+30h+02h)=18h
                    CO2B3*256+B4=08h*256+0FCh=2300ppm
                    eCO2B5*256+B6=00h*256+79h=121ug/m3
                    TVOCB7*256+B8=01h*256+0D7h=471ug/m3
                    PM2.5B9*256+B10=00h*256+13h=19ug/m3
                    PM10B11*256+B12=00h*256+22h=34ug/m3
                    Temperature integerB13=1Bh=27℃
                    Decimal temperatureB14*0.1=03h*0.1=0.3℃
                    Humidity integerB15=30h=48%RH
                    Humidity decimalB16*0.1=02h*0.1=0.2%RH

                    Note:

                    The CO2 value and CH2O value output by the module are the equivalent values ​​of TVOC. Please pay attention when buying and using.

                    Package Included:

                    1 x SM300D2 7-in-1 Sensor Module
                    1 x Display Board
                    2 x Connect Cable


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