item | Radon detector |
Measuring Item | Radon real time Radon long term average Radon short term average |
Display | LCD screen display |
Certificates | CE RoHS |
Warranty | 1 year |
Power Source | 2000 mAh Rechargeable Lithium battery,Charging via Micro USB Port |
Table of Reference Values for Radon Levels | |
Detecting horizontal lines | Recommended measures |
Less than 2.7 pCi / L or 99.9 Bq / m3 | Good: No need for any movement, easy breathing |
Equal to or greater than 2.7pCi / L but less than 4pCi / L or 148Bq / m3 | Bad: Continue to measure and contact a professional radon removal organization if the level remains for more than 3 months |
Equal to or greater than 4pCi / L or 148Bq / m3 | Serious: Continue to measure. If levels remain for more than 1 month, contact a professional radon removal organization for treatment |











Langdeli Technology Co., Ltd. is a professional manufacturer with 10 years of experience in producing testing instruments, committed to providing customers with high-quality and high-performance testing instruments. The company has advanced production equipment, a professional R&D team and sales team, as well as its own factory, production workshop, and office buildings.
detectors, noise detectors, temperature and humidity detectors, combustible gas detectors, radiation monitors, alcohol measuring instruments, etc.
Our Production line:
We are well aware that product quality is the lifeline of a company, so we always adhere to high-quality and high standard production processes. We have a professional quality inspection team that strictly controls every step from raw material procurement to production processes. We focus on the quality and performance of our products, continuously optimizing production processes and quality management to ensure that every product meets national standards and certification standards.
Our Facilities Includes (not all):
1. Who are we?
We are manufacturer that has been producing and exporting various testing and digital instruments over 11 years. We are based in Guangdong, China, starting from 2013, sell to North America(25.00%), Western Europe(20.00%), Southern Europe(13.00%), Eastern Europe(9.00%), Northern Europe(8.00%), South America(7.00%), South Asia(5.00%), Eastern Asia(5.00%), Southeast Asia(5.00%), Central America(2.00%), Mid East(1.00%). There are total about 51-100 people in our office.
2. How can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment.
Certificates can be provided, including CE, Rohs, FCC, MSDS, UN38.3, ISO9001 etc.
3. What can you buy from us?
a.WiFi Tuya meter (CO2/PM2.5/PM1.0/PM10/Temperature/Humidity/HCHO/TVO)
b.Wall mounted decibel meter
c.PM2.5 detector, combined with CO2/Temperature/Humidity
d.Multi-functional detector measuring PM2.5/HCHO/CO2/PM1.0/PM10/temperature/humidity
e.Geiger counter, nuclear radiation detector/electromagnetic radiation detector
f.O3 (Ozne) meter
g.NH3 meter
h.CO meter
i.O2 meter
j.Alcohol detector
k.Mental detector
4. Why should you buy from us not from other suppliers?
a.Accept customized OEM/ODM orders.
b.We provide one-year warranty and lifetime service for customers.
c.Accept third-party inspection service to guarantee quality for you.
d.Our products are private, developed and produced by our factory independently.
5. What services can we provide?
a.Accepted Delivery Terms: FOB, CFR, CIF, EXW, FAS, CIP, FCA, CPT, DEQ, DDP, DDU, Express Delivery;
b.Accepted Payment Currency: USD, HKD, CNY;
c.Accepted Payment Type: T/T, L/C, D/P, D/A, MoneyGram, Credit Card, PayPal, Western Union, Cash, Escrow;
d.Language Spoken: English, Chinese.