What is the delivery time?

After confirm the order, it will take about 2-30 days to delivery goods depend on the order quantity . Some models we have stocks , so 1-3 days will delivery goods; Some models not in stocks, if quantity is small , 5-10 days; Customized order, it will take 20-25 days normally; For bulk orders up to 30000pcs

What products your factory produce ?

CO2-Carbon Dioxide Meter PM2.5 Detector O3-Ozone Detector NH3-Ammonia Detector Decibel Meter/Noise Meter/Sound Level Meter Multi-function Air Quality Monitor ( CO2/PM2.5/1.0/10/HCHO/TVOC,/Temp/Hum ) Geiger Detector ( Nuclear Radiation Detector ) Electromagnetic Detector Alcohol Tester / Thermo-hygrometer / Weather Station / Multimeter / Radon Detector and so on.

6-in-1 Noise Meter Sound & Air Quality Tester Pm2.5 Detector Gas Analyzers

Name: 6-in-1 Noise Meter Sound & Air Quality Tester Pm2.5 Detector Gas Analyzers
Brand: Shenzhen Langdeli Technology Co., Ltd.
SKU: 2121099245

Guangdong, ChinaShenzhen Langdeli Technology Co., Ltd.

US$35.00

2-499 Pieces

US$30.00

500-2,999 Pieces

US$28.00

3,000+ Pieces

Sample price:US$35.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

1 Year

Warranty

1 Year

Model NO.

DM72N

Brand

Dienmern

Customized

Portable

Certification

CE, RoHS

Gas

Decibel / Pm2.5

Type

Desktop

Product Name

Multi-Functuion Decibel & Pm2.5 Detector

Material

ABS

Color

Black

Weight

210g

Size

145*78*97.2mm

Display

LCD

Sensor

Condenser Microphone / Laser Scattering

Power Supply

3000mAh Rechargeable Li-Battery

Features

Temperature Unit Switch(℃/℉)

Usage

Home/Office

Transport Package

Neutral Box

Specification

145*78*97.2mm

Origin

Shenzhen, China

HS Code

9027100090

Key features

6-in-1 Multifunctional Testing: Tests Decibel, PM2.5, PM1.0, PM10, Temperature, and Humidity in one device.

Full Customization Support: Supports OEM/ODM including logo printing, custom packaging, manuals, and software.

Portable Desktop Design: Compact size 145*78*97.2mm, ABS material, 210g weight, ideal for home or office.

Rechargeable Battery: Built-in 3000mAh Li-battery with USB charging cable included in standard accessories.

Wide Certification Coverage: Certified with CE, RoHS, ISO9001, PSE, FCC, MSDS, and UN38.3 for global compliance.

1-Year Warranty Service: Comprehensive 1-year warranty coverage for all mechanical defects and quality issues.

Professional Manufacturer: Established in 2013, integrating R&D, production, and sales with numerous patents.

Flexible Delivery Options: Stock items ship in 1-3 days; customized orders take 20-25 days; bulk up to 30k pcs.

Company profile

Shenzhen Langdeli Technology Co., Ltd.

Guangdong, China

Business Type: Manufacturer/FactoryExport Year: 2013-05-17Nearest Port: shenzhenAverage Response Time: ≤15hTerms 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:What items can this tester test?

It is a multifunctional tester that can test Decibel, PM2.5, PM1.0, PM10, Temperature, Humidity.

Q:How to charge it?

Mini USB port charging line which is included in the standard accessories. We also offer adapter(Like US adapter, Europe adapter...) if add extra cost.

Q:How about OEM or custom?

Sure, As professional and stable manufacture for manufacture factory, we can support many custom contents as below; Printing logo on product . Package, support custom pacakge. (We can send neutral artwork to client to design package) Manual, support custom maual for many language,like English, German, Japanese, Spanish, Dutch, Polish some custom sticker, like Amazon FBA upc label... To meet clients requirement. Customized software is also possible such as change the standard value , such as shoo

Q:What's certificate include?

CE and Rohs MSDS and UN38.3 ISO9001

Q:What are the payment methods ?

alibaba transaction guarantee (2% of the additional cost) TT (Bank wire transfer ,an additional $25 per payment).