• Beijing Zetron Technology Co., Ltd
    Hello, I already used the equipment in an aluminum smelting plant in Mexico and I was surprised by the function of your company's laser device.
  • Beijing Zetron Technology Co., Ltd
    Good gas leak detection instrument !!! High accurate test values :D
Contact Person : Lisa Niu
Phone Number : +86 15699785629
Whatsapp : +8615699785629

PM1.0 PM10 Smart Indoor Air Quality Monitors CO2 HCHO TVOC Laser Scattering

Place of Origin China
Brand Name Zetron
Certification CE
Model Number DM72B
Minimum Order Quantity 1 set
Price USD 75/set -85/set
Packaging Details carton box : 272*200*70mm
Delivery Time 1-10 work days
Payment Terms T/T, Western Union, MoneyGram, D/P, D/A, L/C
Supply Ability 1000 SET / week

Contact me for free samples and coupons.

Whatsapp:0086 18588475571

Wechat: 0086 18588475571

Skype: sales10@aixton.com

If you have any concern, we provide 24-hour online help.

Product Details
Product Name Air Quality Monitor Function AQI
Type Tuya Smart Indoor Air Quality Monitor Display 4.3" LCD Screen Display
Certification CE/RoHS Detection Method Laser Scattering
Detection Temperature -10°C To 50°C Relative Humidity 20% - 85%
Power Source Lithium Battery With 3000 MAh Capacity Sampling Time 1.5 Seconds
High Light

TVOC Indoor Air Quality Monitors


PM10 Smart Indoor Air Quality Monitors


CO2 Smart Air Quality Monitor

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Product Description

WiFi Tuya Air Quality Monitor
CO2 | PM1.0 |PM2.5| PM10|TVOC|HCHO|




DM72B is a multifunctional air quality monitor 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/PM1.0/PM10, temperature, and humidity on its digital LCD display.


Detection Principle NDIR/LASER
Sampling Time 1.5 seconds
Accuracy 3% of reading
Storage Temperature -10°C to 60°C
Effective Range 400--5000 ppm
Temperatuer Range -10°C to 50°C
Humidity Range 20% - 85%
Display 4.5 inch TFT Screen
Resolution 480*270
Battery Capacity 3000mAh
Standby Time 3--5 hours
Charging Time 3--5 hours
Size 7.09 x 6.69 x 3.54 inches
Weight 1.15 Pounds


Office Bedroom Smart Home Security System Indoor Air Quality Monitor 1



  • Large LCD display to show date, clock, battery and more, including:CO2+PM1.0+PM2.5+PM10+TVOC+HCHO+Temperature+Humidity+AQI;
  • Customer Configurable Settings for Date, Time, Temperature, Calibration;
  • Visual alarm and 3-color code air quality indicator Green(Good), Yellow (Ok), Red (Poor);
  • NDIR CO2 sensor for fast, accurate and precise readings;
  • Built-in Data Logging Tables and Free Software for Analysis;
  • Clean, modern desktop design;
  • Powered by USB


It is suitable for cars, baby rooms, homes, Offices and other densely staffed occasions, it is also suitable for greenhouses, breeding farms, etc.

PM1.0 PM10 Smart Indoor Air Quality Monitors CO2 HCHO TVOC Laser Scattering 1



Q: What is your terms of payment ?
A:We accept trade assurance, western union ,Visa master card and tt.
Trade assurance can protect you, when you confirm the product then the money into my account.

Q: When do you reply to messages?
A: We will reply you for your inquiry in 24 hours.

Q: What is the warranty for your product ?
A: Warranty: 12 months, Lifetime maintenance

Q: When do you send the products? And how do you send it ?
A: For the small order, we will send out the goods with 5 days,If have stock ,we will send immediately.
We send them by ups, fedex, tnt or dhl. For big order, normal is 20 days will finish.

Q:Do you accept OEM or revised logo, color, model, size?
A:Yes, we accept OEM for the qualify buyer.We can make the products according to customer personal requirement.

Q: How about the quality of the managements ?
A: We have a complete quality control system , all of our products will be fully pre-inspection by QC departments before shipping to you . We have the certification of ISO,CE we could send the certification test of our company to you.

Q: How about your after-sale service?
A: After sending, we will track the products for you , until you get the products.
When you got the goods, test them, and give me a feedback.
If you have any questions about the problem, contact with us, we will offer the solve way for you.