What are the payment methods?

We accept Alibaba transaction guarantee (with 2% additional cost) and TT (Bank wire transfer, with an additional $25 per payment).

What is the delivery time?

Delivery takes 2-30 days depending on quantity. Stock items ship in 1-3 days, small non-stock orders in 5-10 days, customized orders in 20-25 days, and bulk orders up to 30,000 pcs in 30 days.

What other products does your factory produce?

We produce multi-function air quality monitors (CO2, PM1.0, PM10, HCHO, TVOC), CO2 meters, ozone detectors, NH3 detectors, weather stations, decibel meters, alcohol testers, multimeters, radon detectors, Geiger detectors, and electromagnetic detectors.

High Precision Portable Pm2.5 Air Quality Monitor Indoor Pm2.5 Dust Sensor Meter

Name: High Precision Portable Pm2.5 Air Quality Monitor Indoor Pm2.5 Dust Sensor Meter
Brand: Shenzhen Langdeli Technology Co., Ltd.
SKU: 2085945225

Guangdong, ChinaShenzhen Langdeli Technology Co., Ltd.

US$17.00

1-99 Pieces

US$16.00

100-999 Pieces

US$14.50

1,000-4,999 Pieces

US$13.50

5,000+ Pieces

Sample price:US$17.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

1 Year

Warranty

1 Year

Model NO.

DM1305E

Brand

Dienmern

Customized

Portable

Certification

CE, RoHS

Gas

Pm2.5

Type

Pm2.5 Dust Detector

Product Name

Pm2.5 Air Quality Monitor

Material

ABS

Color

White

Net Weight

150g

Pm2.5 Sensor

Laser Scattering

Pm2.5 Range

0-999 Ug/M3

Detecting

Pm2.5, Temperature, Humidity

Transport Package

Neutral Package

Specification

96*33mm

Origin

Shenzhen, China

HS Code

9027100090

Key features

Multi-Function Detection: Detects PM2.5, Temperature, and Humidity with real-time LED display.

Portable Design: Compact size with 2000mAh rechargeable battery and Micro USB charging.

Customizable Options: Supports custom logo, packaging, manuals, stickers, and software settings.

Adjustable Alarm: Features adjustable brightness and alarm thresholds for PM2.5 levels.

Certified Quality: Passed CE, RoHS, MSDS, UN38.3, and ISO9001 certifications.

Professional OEM/ODM: Manufacturer with strong R&D team offering private design and OEM services.

1-Year Warranty: Comprehensive 1-year warranty and after-sales service included.

Wide Application: Ideal for indoor air quality monitoring in homes, offices, and labs.

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 detect?

It is a multifunctional tester that can detect PM2.5, Temperature, and Humidity.

Q:What is the test range of PM2.5?

The test range for PM2.5 is 0-999 ug/M3.

Q:How does the PM2.5 indicator work?

The indicator shows different colors: Green (0-75, good), Yellow (76-150, unhealthy), Purple (151-300, serious), and Red (above 300, dangerous).

Q:What customization options are available?

We support custom logo printing, packaging, manuals in multiple languages, stickers, and customized software settings like alarm values and language display.

Q:What certificates does the product include?

The product includes CE, RoHS, MSDS, UN38.3, and ISO9001 certificates.