What are the health effects of different CO2 levels?

350-400ppm is outdoor air; 400-1000ppm is well-ventilated; 1000-2000ppm causes sleepiness; 2000-5000ppm causes headache and drowsiness; >5000ppm may cause severe hypoxia and brain damage.

New Developed Model Indoor Air Quality Detector Desktop Gas Analyzer Dust

Name: New Developed Model Indoor Air Quality Detector Desktop Gas Analyzer Dust
Brand: Shenzhen Langdeli Technology Co., Ltd.
SKU: 2114740565

Guangdong, ChinaShenzhen Langdeli Technology Co., Ltd.

US$58.00

2-99 Pieces

US$52.00

100-499 Pieces

US$50.00

500+ Pieces

Sample price:US$58.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

1 Year

Warranty

1 Year

Model NO.

DM155C-NEW

Brand

Dienmern

Customized

Portable

Desktop / Wall Mounted

Certification

CE, RoHS

Gas

CO2/Pm2.5/Pm10/Pm1.0/Hcho/Tvoc/Aqi/Temp/Hum

Type

Desktop / Wall Mounted Gas Detector

Product Name

Air Quality Tester

Detecting Gas

CO2/Pm2.5/Pm10/Pm1.0/Hcho/Tvoc

Power Supply

Rechargeable Lithium Battery

Certificate

CE RoHS

Application

Home Office

Color

White

Sensor Type of CO2

Ndir

Sensor Type of Pm2.5

Laser

Display

LCD Display Screen

Material

ABS

Transport Package

Neutral Package

Specification

240*120*24mm

Origin

Shenzhen, China

HS Code

9027100090

Key features

Multi-Gas Detection: Detects CO2, PM2.5, PM10, PM1.0, HCHO, TVOC, AQI, Temp, and Humidity.

Customizable Product: Supports custom logo, packaging, manual, stickers, and software settings.

Portable Design: Compact desktop or wall-mounted unit with rechargeable lithium battery.

Certified Quality: Products hold CE, RoHS, MSDS, and UN38.3 certifications.

1-Year Warranty: Comprehensive 1-year warranty coverage for the air quality detector.

NDIR & Laser Sensors: Uses NDIR for CO2 and Laser Scattering for PM2.5 for accurate readings.

Versatile Applications: Suitable for homes, offices, schools, hospitals, and industrial environments.

Company profile

Shenzhen Langdeli Technology Co., Ltd.

Guangdong, China

Business Type: Manufacturer/FactoryExport Year: 2013-05-17Nearest Port: shenzhenAverage Response Time: ≤11.31hTerms 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 test indices are included in the air quality monitor?

It detects CO2 (using NDIR infrared sensor), Temperature, and Humidity. It is suitable for monitoring CO2 concentration in industrial, agricultural, and residential environments to control ventilation systems.

Q:How do I charge the device?

It charges via a mini USB port using the included charging cable. We also offer adapters (US, Europe, etc.) for an additional cost.

Q:Do you support OEM or customization?

Yes, we support custom logo printing, custom packaging, multi-language manuals, custom stickers (e.g., Amazon FBA UPC), and customized software settings like changing CO2 standard values or display languages.

Q:What certificates does the product include?

The product includes CE and RoHS certifications, as well as MSDS and UN38.3 certificates.

Q:What are the common application fields for this monitor?

Common fields include industrial/agricultural plants, homes, villas, offices, classrooms, hotels, hospitals, malls, and public transport hubs for ventilation control and environmental quality monitoring.