What is the lead time for production?

Peak season lead time is one month, while off-season is within 15 workdays.

Where is the company located?

We are based in Guangdong, China, with a factory and office covering 5000 square meters.

Hospital & Classroom Noise Meter Sound Air Quality Detector Pm2.5 Detector

Name: Hospital & Classroom Noise Meter Sound Air Quality Detector Pm2.5 Detector
Brand: Shenzhen Langdeli Technology Co., Ltd.
SKU: 2117822615

Guangdong, ChinaShenzhen Langdeli Technology Co., Ltd.

US$30.00

2-99 Pieces

US$27.00

100-499 Pieces

US$26.00

500-999 Pieces

US$25.00

1,000+ 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 Package

Specification

145*78*97.2mm

Origin

Shenzhen, China

HS Code

9030409000

Key features

Multi-Function Detection: Measures noise levels (Decibel) and air quality (PM2.5) simultaneously.

Customizable Product: Accepts OEM orders and customized product specifications.

1-Year Warranty: Comprehensive 1-year warranty coverage with lifetime service support.

Portable Design: Compact desktop unit weighing 210g with ABS material construction.

Rechargeable Battery: Equipped with 3000mAh Li-battery and USB charging cable.

Temperature Unit Switch: Flexible display allows switching between Celsius and Fahrenheit.

CE & RoHS Certified: Meets international safety and environmental standards.

LCD Display: Clear visual interface for easy reading of measurement data.

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.