USB-Powered Air Quality Monitor10-in-1 Multifunctional Data Export Download Professional CO2 Pm10 Temperature and Humidity
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Product Highlights
- 10-in-1 Multifunctional Detection: Monitors CO2, PM2.5/10/1.0, HCHO, TVOC, Temp, Humidity, and AQI in real time.
- Data Storage and Export: Built-in storage records data continuously; supports quick export and download for analysis.
- Customizable Product: Product name, material, and display can be customized according to specific requirements.
- Professional Sensor Technology: Uses Infrared (NDIR) for CO2, Laser Scattering for PM2.5, and Electrochemistry for HCHO/TVOC.
- Portable and Rechargeable: Compact ABS design with a 1500mAh rechargeable Li-battery and USB power supply.
- CE and RoHS Certified: Meets international safety standards with CE, RoHS, FCC, and ISO9001 certifications.
- 1-Year Warranty and Support: Provides a 1-year warranty and lifetime service with professional pre-sales and after-sales support.
Product Attributes
- Customization
- Available
- After-sales Service
- Yes
- Warranty
- 1 Year
- Model NO.
- DM509
- Brand
- Dienmern
- Customized
- Customized
- Portable
- Portable
- Certification
- CE, RoHS
- Gas
- CO2/Pm2.5
- Type
- Electrochemical Gas Analyzer
- Product Name
- Multi-Function Air Quality Detector
- Material
- ABS
- Display
- LCD Screen
- CO2 Technology
- Infrared ( Ndir )
- Temperature Unit
- Switch Between Celsius and Fahrenheit
- Pm2.5 Detection Range
- 0-999 Ug/M&Sup3
- CO2 Detection Range
- 400-5000 Ppm
- Power Supply
- Rechargeable Li-Battery 1500mAh Including USB
- Transport Package
- Neutral Box
- Specification
- 164*74*26MM
- Origin
- Shenzhen, China
- HS Code
- 9027100090
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Product Description
Specification:
-Product Name : Multi-function Air Quality Detector with Data Store and Download
-Material : ABS
-Color : Black + Orange
-Product Size : 164*74*26MM
-Display : LCD Screen Display
-CO2 Technology : Infrared (NDIR)
-PM2.5 Sensor technology : Laser Scattering
-HCHO/TVOC technology :Electrochemistry
-Detection Range :
--AQI (0-500)
--PM2.5 (0-999 ug/M³)
--CO2 (400-5000 ppm)
--HCHO (0.001-1.999Mg/M³)
--TVOC (0.001-9.999Mg/M³)
--Temperature (-10°C to 50°C)
--Humidity (20% - 85%)






Langdeli Technology Co., Ltd. is a professional manufacturer with 10 years of experience in producing testing instruments, committed to providing customers with high-quality and high-performance testing instruments. The company has advanced production equipment, a professional R&D team and sales team, as well as its own factory, production workshop, and office buildings.
detectors, noise detectors, temperature and humidity detectors, combustible gas detectors, radiation monitors, alcohol measuring instruments, etc.

1. Who are we?
We are manufacturer that has been producing and exporting various testing and digital instruments over 11 years. We are based in Guangdong, China, starting from 2013, sell to North America(25.00%), Western Europe(20.00%), Southern Europe(13.00%), Eastern Europe(9.00%), Northern Europe(8.00%), South America(7.00%), South Asia(5.00%), Eastern Asia(5.00%), Southeast Asia(5.00%), Central America(2.00%), Mid East(1.00%). There are total about 51-100 people in our office.
2. How can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment.
Certificates can be provided, including CE, Rohs, FCC, MSDS, UN38.3, ISO9001 etc.
3. What can you buy from us?
a.WiFi Tuya meter (CO2/PM2.5/PM1.0/PM10/Temperature/Humidity/HCHO/TVO)
b.Wall mounted decibel meter
c.PM2.5 detector, combined with CO2/Temperature/Humidity
d.Multi-functional detector measuring PM2.5/HCHO/CO2/PM1.0/PM10/temperature/humidity
e.Geiger counter, nuclear radiation detector/electromagnetic radiation detector
f.O3 (Ozne) meter
g.NH3 meter
h.CO meter
i.O2 meter
j.Alcohol detector
k.Mental detector
4. Why should you buy from us not from other suppliers?
a.Accept customized OEM/ODM orders.
b.We provide one-year warranty and lifetime service for customers.
c.Accept third-party inspection service to guarantee quality for you.
d.Our products are private, developed and produced by our factory independently.
5. What services can we provide?
a.Accepted Delivery Terms: FOB, CFR, CIF, EXW, FAS, CIP, FCA, CPT, DEQ, DDP, DDU, Express Delivery;
b.Accepted Payment Currency: USD, HKD, CNY;
c.Accepted Payment Type: T/T, L/C, D/P, D/A, MoneyGram, Credit Card, PayPal, Western Union, Cash, Escrow;
d.Language Spoken: English, Chinese.
About the Supplier
This supplier has been audited by SGS. Verify the report on the official SGS website with ID "QIP-ASI232972". Items marked "" are certified.
Company Profile
Langdeli Technology Co., Ltd. is a professional manufacturer with 10 years of experience in producing testing instruments, committed to providing customers with high-quality and high-performance testing instruments. The company has advanced production equipment, a professional R&D team and sales team, as well as its own factory, production workshop, and office buildings.
Since its establishment, the company has been dedicated to the research and development, production, and sales of testing instruments. We have established strategic partnerships with multiple large companies to provide customized testing instrument solutions. At the same time, we actively explore domestic and international markets, providing high-quality products and services for enterprises and individual users.
The company has a professional R&D team, constantly following up on the latest developments in domestic and foreign testing technologies, and applying the latest technologies to products. Our products cover multiple fields such as environmental testing, food safety, medical and health, including air quality detectors, water quality detectors, soil detectors, noise detectors, temperature and humidity detectors, combustible gas detectors, radiation monitors, alcohol measuring instruments, etc.
As a high-tech enterprise, Langdeli Technology attaches great importance to technological innovation and quality improvement. At the same time, we also attach great importance to intellectual property protection and have multiple invention patents and utility model patents.
The company has a comprehensive sales team and channel system, which can quickly respond to customer needs and provide professional pre-sales consultation and after-sales service. Our products have been widely used in government agencies, environmental protection departments, health supervision departments, food enterprises and other fields, and have received high recognition and praise from users.
The company has its own factory and office buildings, covering a total area of 5000 square meters. We have advanced production equipment and technology, which enables us to independently complete the entire process from raw material procurement to product production. Our factory has a complete production process and quality management system, ensuring that every step meets the company's quality requirements.
We are well aware that product quality is the lifeline of a company, so we always adhere to high-quality and high standard production processes. We have a professional quality inspection team that strictly controls every step from raw material procurement to production processes. We focus on the quality and performance of our products, continuously optimizing production processes and quality management to ensure that every product meets national standards and certification standards. Our products have passed multiple certifications, such as CE, RoHS, PSE, FCC, etc. These certifications indicate that our products meet the entry standards for overseas markets in terms of safety, environmental protection, health, and other aspects. This means that when you purchase our products, you can use them with more confidence, without worrying about the impact they may have on your health and environment.
In the future, Langdeli Technology Co., Ltd. Will continue to be committed to providing high-quality and high-performance testing instruments to provide users with higher quality products and services. We will continue to innovate and make progress, striving tirelessly to become a leading global manufacturer of testing instruments. We believe that through our efforts and innovation, we can become your trusted partner.
About Our Factory & Business Background
- Address
- Shenzhen, Guangdong, China
- Terms of Payment
- LC, T/T, D/P, PayPal, Western Union, Small-amount payment, Money Gram
- International Commercial Terms(Incoterms)
- FOB, EXW, CFR, CIF, DAT, FAS, DDP, DAP, CIP, CPT, FCA
- Average Lead Time
-
Peak Season Lead Time: one month
Off Season Lead Time: within 15 workdays - Nearest Port
- shenzhen
Our Production Capability & Technical Expertise
- Main Products
- Air Quality Montior, Gas Detector, Mini Camera, Voice Recorder, Geiger Counter
Our Industry Experience & Global Business Record
- Export Year
- 2013-05-17
- Main Markets
- North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe
FAQ
- What air quality indicators does this monitor detect?
- It detects 10 indicators including CO2, PM2.5, PM10, PM1.0, Formaldehyde (HCHO), TVOC, Temperature, Humidity, and AQI.
- Can I export the stored air quality data?
- Yes, the device has built-in storage and supports data export and download for analysis and trend tracking.
- What is the warranty period for this product?
- We provide a 1-year warranty and lifetime service for all customers.
- Is this product customizable?
- Yes, we accept customized orders including product name, material (ABS), and display type.
- What is the delivery time for orders?
- Delivery takes 1-3 days if in stock, 5-10 days for small out-of-stock orders, and 20-30 days for customized or bulk orders.
- What certifications does the product have?
- The product is certified with CE, RoHS, FCC, MSDS, UN38.3, and ISO9001.
- What payment methods are accepted?
- We accept T/T, L/C, D/P, D/A, MoneyGram, Credit Card, PayPal, Western Union, Cash, and Escrow.
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