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USB Charging Port Air Quality Detector Gas Analyzers with Data Interface Driver Download for Indoor
US$48.00
2-499 Pieces
US$42.00
500-999 Pieces
US$40.00
1,000+ Pieces
Sample price:US$50.00/piece.Request sample
Product profile
Customization
AvailableAfter-sales Service
YesWarranty
1 YearModel NO.
DM509Brand
DienmernCustomized
CustomizedPortable
PortableCertification
CE, RoHSGas
CO2/Pm2.5Type
Electrochemical Gas AnalyzerProduct Name
Multi-Function Air Quality DetectorMaterial
ABSDisplay
LCD ScreenCO2 Technology
Infrared ( Ndir )Temperature Unit
Switch Between Celsius and FahrenheitPm2.5 Detection Range
0-999 Ug/M&Sup3CO2 Detection Range
400-5000 PpmPower Supply
Rechargeable Li-Battery 1500mAh Including USBTransport Package
Neutral BoxSpecification
164*74*26MMOrigin
Shenzhen, ChinaHS Code
9027100090Key features
10-in-1 Multifunctional Detection: Monitors CO2, PM2.5/10/1.0, Formaldehyde, TVOC, Temperature, Humidity, and AQI simultaneously.
Real-time Data Storage & Export: Built-in storage allows continuous recording and quick data export for trend analysis.
Customized OEM/ODM Support: Accepts customized orders for product name, color, and specific technical requirements.
Comprehensive Warranty Coverage: Provides 1-year warranty and lifetime service for all purchased instruments.
Multiple Certification Standards: Certified with CE, RoHS, FCC, MSDS, UN38.3, and ISO9001 for global safety compliance.
Flexible Delivery Options: Stock items ship in 1-3 days; customized orders take 20-30 days depending on quantity.
Advanced Sensor Technology: Uses Infrared (NDIR) for CO2, Laser Scattering for PM2.5, and Electrochemistry for HCHO/TVOC.
Portable & Durable Design: Compact ABS body with LCD screen, powered by rechargeable 1500mAh Li-Battery.
Company profile

Business Type: Manufacturer/FactoryExport Year: 2013-05-17Nearest Port: shenzhenAverage Response Time: ≤7.99hTerms of Payment: LC, T/T, D/P, etc.International Commercial Terms(Incoterms): FOB, EXW, CFR, CIF, DAT, FAS, DDP, DAP, CIP, CPT, FCA
AI-Powered supplier vetting
SummaryLangdeli Technology Co., Ltd. is identified as a China-based manufacturer/factory specializing in testing instruments, including air-quality monitors, gas detectors, radiation monitors, and related devices. The supplier reports 10 years of manufacturing experience, its own factory and production facilities, more than 10 production lines, an ISO 9001 management-system certification, and 6–10 R&D engineers and quality-control staff. It also states that its products hold CE, RoHS, PSE, and FCC certifications and that it has invention and utility-model patents. The supplier claims customized solutions, strategic partnerships with large companies, broad institutional and enterprise usage, and sales and after-sales service capabilities. However, the provided information does not establish independent verification of these claims, detailed financial strength, or specific customer names and project outcomes.
Supplier typeThe supplier is explicitly identified as a Manufacturer/Factory and describes itself as a professional testing-instrument manufacturer with its own factory, production workshop, and office buildings. Its stated product scope includes air-quality monitors, gas detectors, radiation monitors, and other testing instruments.
CertificationsThe supplier reports ISO 9001 certification for its management system and states that its products have passed CE, RoHS, PSE, and FCC certifications. These are explicit certification claims, although the provided slices do not include certificate numbers, validity dates, or issuing-body verification.
After-Sales capabilityThe supplier states that it has a comprehensive sales team and channel system capable of quickly responding to customer needs and providing professional pre-sales consultation and after-sales service. The evidence supports the existence of a stated service structure, but does not provide service-level metrics, response times, warranty terms, or repair arrangements.
R&D capabilityThe supplier identifies itself as a high-tech enterprise, reports a professional R&D team, emphasizes technological innovation, and claims multiple invention and utility-model patents. It also reports 6–10 years of combined R&D-engineer experience, providing explicit positive evidence of innovation resources and activity.
Production capacityThe supplier states that it operates its own factory and production workshop, has advanced production equipment, and runs more than 10 production lines. It also reports 6–10 quality-control staff, indicating established production and quality resources, although actual capacity, output, and utilization are not specified.
Customization capabilityThe supplier explicitly states that it provides customized testing-instrument solutions and maintains R&D, production, and sales capabilities for testing instruments. This supports customization capability, but the slices do not specify customization scope, engineering lead times, minimum order quantities, or examples of completed customized products.
Client casesThe supplier reports strategic partnerships with multiple large companies and says its products are used by government agencies, environmental-protection departments, health-supervision departments, food enterprises, and other fields. These statements indicate broad claimed application and customer exposure, but no customer names, order details, or independently verifiable case studies are provided.
Product Q&A
Q:Who are we?
A:
We are a manufacturer producing and exporting various testing and digital instruments for over 11 years, based in Guangdong, China since 2013.
Q:How can you guarantee quality?
A:
We conduct a pre-production sample before mass production and a final inspection before shipment. Certificates include CE, RoHS, FCC, MSDS, UN38.3, and ISO9001.
Q:What products can you buy from us?
A:
We offer WiFi Tuya meters, wall-mounted decibel meters, PM2.5 detectors, multi-functional detectors, Geiger counters, O3 meters, NH3 meters, CO meters, O2 meters, alcohol detectors, and mental detectors.
Q:Why should you buy from us not from other suppliers?
A:
We accept customized OEM/ODM orders, provide one-year warranty and lifetime service, accept third-party inspection, and our products are independently developed and produced by our factory.
Q:What services can you provide?
A:
We accept delivery terms like FOB, CFR, CIF, EXW, and others. Payment currencies include USD, HKD, CNY. Payment types include T/T, L/C, PayPal, etc. We speak English and Chinese.
Send Inquiry
*To:
Shenzhen Langdeli Technology Co., Ltd.
Shenzhen Langdeli Technology Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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