NDIR CO2 Sensor CO2 air quality meter detect CO2 Particle PM2.5 Formaldehyde TVOC

  • 1-99 Units
  • 100-499 Units
  • >=500 Units
Measurement Range:
AQI(0-500) HCHO(0.001-1.999Mg/M3) CO2 ( 0-5000 ppm) PM2.5 (0-999 ug/M3) TVOC(0.001-9.999Mg/M3)
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Lead Time:
5 day(s) after payment received
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Customized packaging (Min. Order: 500 Units)


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Quick Details
Place of Origin:
Guangdong, China
Brand Name:
Model Number:
Detecting Range:
Product name:
Multi-Gas Detectors
131*78*67.5 MM
pm2.5 Sensor:
CO2 Sensor:
Power supply:
Rechargeable Li-battery 3000mAh

Packaging & Delivery

Selling Units:
Single item
Single package size: 
19X18X11 cm
Single gross weight:
0.800 kg
Package Type:
Gift box per Unit
Picture Example:
Lead Time :
Quantity(Units) 1 - 2 3 - 1000 1001 - 10000 >10000
Est. Time(days) 5 20 35 To be negotiated

NDIR CO2 Sensor CO2  air quality meter detect CO2 Particle  PM2.5  Formaldehyde TVOC


Product Specifications

Display method: 4.3LCD screen display, 320 x 240 pixels

Atmospheric pressure: 86Kpa - 106Kpa

 CO2 Technology :  infrared ( NDIR)  

PM2.5 Sensor technolology : Laser Scattering

HCHO  technolology :Electrochemistry sensor                                                                                            
TVOC  Semiconductor sensor                                                                            

Sampling time: 1.5 seconds

Product Size: 145 x 78 x 97.2mm

Detection temperature: -10°C to 50°C

Relative humidity: 20% - 85%

Storage temperature: -10°C to 60°C

Concentration unit for HCHO and TVOC: mg/m³

Power source: Lithium battery with 3000 mAh capacity; 5V DC power charging via micro USB port

Product weight: 580g  




Product Description

This product is a multifunctional air quality detector that detects Carbon Dioxide CO2,Formaldehyde (HCHO), Total Volatile Organic Compounds (TVOC), Particulate Matter <2.5 micron-sized particles (PM2.5/1.0/10), Temperature, and Humidity with clock and record function. As a scientific air quality detection device, it combines multiple air sensors with a built-in fan to allow real-time monitoring of Carbon Dioxide CO2,formaldehyde (HCHO), total volatile organic compounds (TVOC), PM2.5/1.0/10, temperature, and humidity on its digital LCD display.




Function 1PM2.5  PM1.0 PM10
Function 2CO2
Function 3HCHO(Formaldehyde)
Function 4TVOC 
Function 5Temp Hum
Function 6Clock Alarm
Material  Metal
Power supplyBuilt in Li-battery rechargeable 3000mah
CO2 Detection data range0-5000ppm
PM2.5 Detection data range0.001-999ug/M3
the standard for formaldehyde (HCHO) ≤ 0.10mg / m3
 standard for total volatile organic compounds (TVOC) ≤ 0.6mg / m3 




Standard Accessories : 

-Main device DM601

-USB Charging cable 

-User guide  






Q: How much range of detection of formaldehyde concentration detector,how many square meters?
1. The principle is less than 50m3 ,the room should be set 1 to 3 points;50 ~ 100m3 Set 3 to 5 points;More than100m3 at least 5 points. On a diagonal or plum blossom evenly distributed.
2.Sampling points should avoid the ventilation, from the wall distance greater than 0.5m.
3.The height of the sampling point: in principle, consistent with the human breathing.Relative height of 0.5m ~ 1.5m between.


Q: Why PM2.5 readings with the published value on the site is not the same?
A: Because the location and conditions of the test is difficult to reconcile with the weather station, the weather station in the city there are several sampling points, each sampling point measured data are also very different, the sampling point of the location is strictly required; height 3 to 30 meters, air circulation, can not be close to the chimney, furnace and other obvious sources of pollution. And there are no high-rise buildings, trees or other obstructions that can impede the flow of ambient air around the instrument.


Q: Why is the PM2.5 test value changing?
A: PM2.5 data are changing at all times, with the air, wind, humidity and other environmental factors change, in the room smoking, cooking fumes, car exhaust emissions, coal, chimney, furnace Such as pollution sources will change the PM2.5 value of this area, resulting in differences in the detection data.


Q: Why is the product sounding when working?
A: PM2.5 detection need to collect a lot of mobile air, in order to ensure accurate detection of the fan needs strong operation, so a little sound is normal.


Q: What is the standard for formaldehyde (HCHO)?
A: ≤ 0.10mg / m3 ("indoor air quality standards" GB / T18883-2002)


Q: What is the standard for total volatile organic compounds (TVOC)?
A: ≤ 0.6mg / m3 (GB / T 18883-2002 and GB 50325-2001 Class II civil construction)




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