Mini Radon Gas Detector Radon Long Term Average Ionic Technology

Name: Mini Radon Gas Detector Radon Long Term Average Ionic Technology
Brand: Shenzhen Langdeli Technology Co., Ltd.
SKU: 2186908455

Guangdong, ChinaShenzhen Langdeli Technology Co., Ltd.

US$57.00

1-99 Pieces

US$54.00

100-999 Pieces

US$50.00

1,000+ Pieces

Sample price:US$57.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

1 Year

Warranty

1 Year

Model NO.

DM307

Brand

Dienmern

Customized

Portable

Certification

CE, RoHS

Gas

Type

Ionic Technology

Material

ABS

Color

White

Product Weight

100.4G (3.54 Oz)

Product Size

90*85*26mm

Technology

Ionic Technology

Power Supply

2* AAA Battery (Not Included)

Measurement Range

0-270PCI/L ( 0-9999 Bq/M³ )

Concentration Unit for Radon

PCI/L, Bq/M³

Transport Package

Neutral Box

Specification

90*85*26mm

Origin

Shenzhen, China

HS Code

9027100090

Key features

Ionic Technology Accuracy: High precision with 7 days <20% and long-term <10% accuracy after 1 month.

Portable Design: Compact size 90*85*26mm, lightweight 100.4G, powered by 2 AAA batteries.

Real-Time Monitoring: Displays Radon, Temperature, and Humidity on an LCD screen for immediate data.

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

Versatile Application: Ideal for homes, schools, and construction sites to ensure safe living environments.

Customizable Options: Material, color, and weight can be customized according to specific requirements.

Company profile

Shenzhen Langdeli Technology Co., Ltd.

Guangdong, China

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:Does the radon concentration measured at floor level equal airborne radon concentration?

No. Radon concentrations near floor surfaces may exceed those at elevated positions due to radon's higher density, which causes gravitational settling. Measurements taken directly on the floor reflect source proximal concentrations, whereas central or elevated areas of the room may exhibit lower values.

Q:How long does the device require to display accurate readings?

Measurement duration varies by operational mode: Rapid Mode delivers stabilized readings within 48 hours of initial activation. Long-Term Mode requires continuous monitoring for at least 7 days to establish spatial average concentrations.

Q:Can this device test radon in water?

This instrument is exclusively designed for air medium analysis. For aqueous radon testing, use dedicated hydro-radon testing equipment to prevent sensor damage.

Q:Why do radon readings exhibit sudden fluctuations?

Radon concentrations are dynamically influenced by atmospheric pressure changes, temperature/humidity variations, ventilation rate shifts, and intermittent soil gas infiltration. To resolve this, maintain continuous monitoring for >48 hours and conduct critical measurements only after maintaining closed conditions for 12 hours.

Q:When should manual calibration be performed?

Initiate calibration under these conditions: Following significant environmental condition changes or upon detection of abnormal measurement deviations. Post-impact recalibration is mandatory after severe shocks or drops.