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Engineered for high-risk industrial entries, French marine cold chains, underground utilities, and petrochemical storage facilities.
France maintains some of the most rigorous worker safety frameworks in the European Union. Under the French Labor Code (Code du Travail - Articles R4222-1 to R4222-26) and guidelines published by the National Institute for Research and Safety (INRS ED 6184 & ED 6026), any entry into confined spaces—such as utility sewers, wine fermentation vats, chemical storage silos, and ship cargo tanks—mandates strict atmospheric validation before and during human intervention.
The implementation of the CATEC® (Certificat d'Aptitude à Travailler en Espace Confiné) certification standard has driven an industry-wide transition toward continuous, digitalized, and fail-safe oxygen meters. In France, normal ambient air must sustain an oxygen concentration of approximately 20.9% VOL. Any environment falling below 19.5% VOL presents immediate asphyxiation hazards, while levels exceeding 23.5% VOL exponentially accelerate combustion and explosive fire risks.
From the deep wine cellars of Bordeaux and Champagne to the bustling naval dry docks of Saint-Nazaire and the chemical corridor along the Seine, our oxygen meters deliver critical environmental security.
During alcoholic fermentation across French vineyards (Bordeaux, Burgundy, Champagne), yeast generates massive volumes of dense carbon dioxide, displacing oxygen rapidly. Our fixed and portable meters prevent worker asphyxiation in underground cellars and sealed fermentation tanks.
French municipal utility operators (SUEZ, Veolia, SIAAP) require certified CATEC-compliant gas monitors when inspecting subterranean aqueducts, lift stations, and wastewater digesters prone to biological oxygen consumption and hazardous gas accumulation.
In Saint-Nazaire, Marseille, and Le Havre ports, cargo hold inspections, fuel bunker maintenance, and inerted ballast tank entries require CCS-certified and marine-grade O2 meters resistant to saline corrosion with IP66 hermetic sealing.
EDF nuclear facilities and renewable biomethane plants across France utilize our high-accuracy oxygen analyzers for inert nitrogen purging verification, containment vessel leak checks, and gas pipeline maintenance protocols.
Major refining clusters in Normandy and Fos-sur-Mer require intrinsically safe, ATEX-rated oxygen depletion sensors across volatile hydrocarbon storage tanks, catalyst reactors, and cryogenic gas handling infrastructures.
Controlled Atmosphere (CA) cold storage facilities for French agri-food preservation utilize nitrogen purging to suppress oxygen levels. Our wireless remote commissioning meters ensure technician safety before room entry.
Constructed with state-of-the-art long-life electrochemical and optical sensing cells designed for rapid response and long-term calibration stability.
| Parameter | Industrial Fixed Detector (0-30% VOL) | Marine & Multi-Gas Detection System | French Safety Standard Reference |
|---|---|---|---|
| Measurement Range | 0.0% – 30.0% VOL (Resolution: 0.1% VOL) | 0.0% – 25.0% / 30.0% VOL + LEL + R22 | INRS ED 6184 / EN 50104 |
| Sensor Technology | Long-Life Lead-Free Electrochemical Cell | Dual Electrochemical & NDIR Optical | RoHS 2.0 & CE Compliant |
| Response Time (T90) | < 10 seconds (Instant Warning) | < 12 seconds | EN 60079-29-1 Performance Standard |
| Explosion Protection | Ex d IIC T6 Gb / Ex ia IIC T4 Ga | Ex d IIC T6 / CCS Certified | ATEX Directive 2014/34/EU |
| Ingress Protection | IP66 / IP67 Cast Aluminum Housing | IP66 Marine Anti-Corrosion Finish | IEC/EN 60529 Water & Dust Ingress |
| Signal Outputs | 4-20mA, RS-485 Modbus RTU, Relay Out | RS485, Wireless Mesh, Vessel VDR Relay | French Industrial SCADA Compatible |
| Operating Environment | -40°C to +70°C; 10% to 95% RH non-condensing | -25°C to +65°C Marine Ambient | Extreme Maritime & Industrial Climates |
Zhuhai Chuang'an Electronic Technology Co., Ltd. was established in May 2003. It is a professional manufacturer of intelligent combustible and toxic gas detection alarms and intelligent systems for household and commercial use. It is a high-tech enterprise that integrates scientific research, development, production, sales, and service. Adhering to the business philosophy of "technology guides innovation, high-quality products create reputation, responsibility is the guarantee of quality, and quality is the life of the brand", we continue to provide users with high-quality products and services.
With more than 21 years of dedicated innovation, our gas detection systems and confined space oxygen meters have earned international recognition across Europe, Southeast Asia, and the Americas, upholding stringent reliability in critical life-safety applications.
Our company has gone through 21 years of development and growth. Since its establishment, we have entered the market with a high starting point and high quality. We have gathered professional and technical personnel with years of work experience in the industry and rich experience. We have a dedicated product research and development department and product laboratory, and have established a quality management system in accordance with the ISO9001 international standard. We have obtained and maintained the ISO9001 quality system certification for more than ten consecutive years, and have developed a complete "Quality Manual", "Procedure Documents", and "Operational Documents".
Over the years, we have passed factory inspections such as the Fire Product Qualification Assessment Center of the Ministry of Emergency Management and the Manufacturing and Measuring Instrument Production License of the Quality and Technical Supervision Bureau.
The company has 17 computer software copyright registration certificates issued by the National Copyright Administration of the People's Republic of China, 16 utility model patents and 1 invention patent issued by the China National Intellectual Property Administration. Since January 2016, it has been rated as a high-tech enterprise in Guangdong Province. In December 2022, it was awarded the title of "Innovative Small and Medium sized Enterprise" in Guangdong Province, and in January 2023, it was awarded the title of "Specialized, Refined, Special, and New Small and Medium sized Enterprise" in Guangdong Province.
Key technical insights on gas testing procedures, sensor calibration cycles, and French regulatory compliance.
Under French INRS ED 6184 and standard CATEC safety protocols, atmospheric oxygen concentration must be strictly between 19.5% VOL (safe lower limit to prevent hypoxia/asphyxiation) and 23.5% VOL (upper threshold to prevent oxygen enrichment and increased flammability). Normal clean air measures 20.9% VOL.
Our fixed and portable meters feature explosion-proof cast aluminum/stainless steel enclosures certified under ATEX Directive 2014/34/EU (Ex d IIC T6 Gb / Ex ia IIC T4 Ga), ensuring total operational safety in explosive atmospheres such as refinery tanks and chemical vaults.
In accordance with European standard EN 60079-29-2, a daily functional bump test with certified span gas is strongly recommended before entry into hazardous confined spaces. Full sensor calibration should be performed every 6 to 12 months using our wireless remote commissioning tool.
Yes. Every unit is equipped with standard 4-20mA analog current loop output and RS485 Modbus RTU digital communications, allowing seamless connection to French industrial PLC networks, central alarm consoles, and cloud IoT dashboards.
Explore our complete industrial series, field-proven in European petrochemical facilities, maritime vessels, and utility networks.
