High-Quality Cl2 Gas Detector Manufacturer & Factory

Precision Chlorine Sensing Technology, Robust Compliance Standards & Enterprise-Grade Supply Chain Leadership by Xinhaosi

Industrial Safety & Gas Control Systems

Explore our premium range of industrial gas transmitters, controllers, and solenoid valves engineered for global safety compliance.

Industrial Gas Solenoid Valve Normally Opened XF5III Series

Normally Opened XF5III Series Industrial Gas Solenoid Valve

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OEM China JB-TB-AT2020F Gas Detector Controller

JB-TB-AT2020F Intelligent Gas Detector Control Unit

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OEM Dry Battery Type Household Wireless Solenoid Valve

Dry Battery Type Household Wireless Solenoid Valve

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OEM Explosion-Proof Portable Gas Detector XM314

XM314 Explosion-Proof Portable Multi-Gas Detector with Fall Alarm

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High-Quality JT-AT2004B Household Combustible Gas Detector

JT-AT2004B Advanced Household Combustible Gas Detector

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OEM Household Combustible Gas Detector JT-AT2018/JT-2028/JT-AT2058

JT-AT2018 / JT-2028 / JT-AT2058 Combustible Gas Leak Detectors

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OEM China Suppliers XP4000P Explosion Proof Oxygen Toxic VOC Gas Detector

XP4000P Explosion Proof Oxygen & Toxic VOC Detector

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OEM China JT-AT2004BII Household Gas Detector

JT-AT2004BII Household Bus-Type Combustible Gas Detector

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Demystifying Industrial Chlorine Risks: The Need for Uncompromising Cl2 Detection

Chlorine gas (Cl2) is a fundamental yet highly hazardous compound utilized in municipal water purification, bleach manufacturing, plastics production, and chemical processing. Because Cl2 is a dense, yellow-green gas with extremely toxic characteristics, even minor exposures (measured in parts per million) can cause acute respiratory distress, chemical burns, and catastrophic operational downtime. For health, safety, and environmental (HSE) officers, choosing a high-performance Cl2 gas detector is not just a matter of compliance—it is the baseline for operational survival.

Founded in 2003, Xinhaosi Electronic Detection Technology has spent over two decades developing high-precision gas sensing and shut-off architectures. We integrate advanced electrochemical cell designs with automated, smart electronics to make invisible hazards instantly visible, protecting human lives across residential, commercial, and massive heavy-industrial facilities worldwide.

"X Represents the Unknown Risks, and X Represents Next-Gen Safety Technology." We leverage deep material science, intelligent firmware compensation, and rigorous factory testing to ensure your facility remains safe and compliant, whatever the environment.

Industrial Chlorine Gas Safety Solutions
20+
Years of Safety Innovation
50+
Global Partner Countries
0.1 ppm
Cl2 Detection Resolution
SIL2
Certified Safety Systems

Technical Roadmap: The Evolution of Chlorine Gas Detection

Precision gas analysis requires a fusion of micro-electronics, chemical engineering, and firmware adaptability. Here is our technological blueprint for Cl2 gas detectors.

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Advanced Amperometric Electrochemical Cells
Our Cl2 detectors utilize highly stable, capillary-controlled electrochemical sensors. Chlorine molecules diffuse through a porous membrane and undergo reduction at the working electrode: Cl2 + 2e⁻ → 2Cl⁻. The resulting current is directly proportional to the gas concentration, allowing us to maintain a resolution of 0.1 ppm and a rapid response time (T90 < 30 seconds).
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Temperature & Humidity Drift Compensation
Cl2 sensor cells are susceptible to drift caused by ambient variations. Our proprietary firmware features real-time dynamic compensation algorithms that evaluate humidity indexes and temperature shifts. Using internal thermistors, the detector scales the sensor signal in real-time, preventing false positives in harsh outdoor environments or hot, humid processing plants.
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IoT Integrated Smart Connectivity
Industrial systems are shifting to digitization. Our fixed chlorine detectors support RS485 Modbus RTU, 4-20mA analog output, and wireless HART/LoRa protocols. Integrated with our intelligent gateways, our sensors stream live data directly to SCADA systems, enabling predictive maintenance, automated safety shutoffs, and cloud-based log auditing.

Our Core Product Categories

A comprehensive ecosystem of detection and mitigation systems designed to operate under the most extreme industrial conditions.

Industrial Gas & Flame Detection Systems

Industrial Gas & Flame

Safety First from Precision Sensing

Household & Commercial Gas Detectors

Household & Commercial

Home Safety from Gas Monitoring

Industrial & Household Gas Solenoid Valves

Gas Solenoid Valves

Protecting from the Source

Urban Gas Distribution & Monitoring

Urban Gas Distribution

Smart Sensing for Urban Gas

Water Treatment and Chemical Chlorine Protection

Macro Industry Solutions: Tailored Safety Architectures

Different industries present unique chemical, physical, and environmental challenges. Rather than providing generic solutions, Xinhaosi custom-builds multi-tiered safety systems adapted to specific operations:

  • Municipal Water Treatment & Desalination: Chlorine is critical for disinfection, but leaks around gas cylinders or dosing pumps can be fatal. Our fixed Cl2 detectors automatically trigger ventilation fans and activate emergency gas shut-off valves, containing leaks at the source.
  • Chlor-Alkali Chemical Processing: Large-scale chlorine production requires explosion-proof gas detectors with continuous remote monitoring. Our transmitters feature Ex d IIC T6 Gb ratings, functioning safely in Zone 1 and Zone 2 hazardous areas.
  • Pulp and Paper Bleaching Operations: Corrosive atmospheres degrade standard hardware. Our specialized chlorine sensors feature chemical-resistant PVDF housings and gold-plated terminals to withstand highly acidic environments.

China Industry 4.0: Supply Chain Resilience & Global Manufacturing Advantages

Located in Chengdu, China—a hub for advanced industrial electronics—our modern manufacturing facility leverages automated precision engineering. By maintaining a vertically integrated supply chain, we control quality, design parameters, and production speed from the initial circuit board layout to final calibration.

Our facility runs automated Surface Mount Technology (SMT) lines, cleanroom sensor assembly facilities, and nitrogen-reflow soldering ovens. Every single Cl2 transmitter and solenoid valve is subjected to automated optical inspection (AOI) and computerized environmental chamber calibration. This optimization yields production scale and efficiency, allowing us to supply globally certified hardware at cost-competitive rates without compromising component quality.

Furthermore, this localization gives us a reliable, domestic raw-material and component buffer. Even under severe global trade headwinds, our customers benefit from consistent, uninterrupted delivery timelines and robust product availability.

China Industry 4.0 Gas Detector Factory

Global Procurement Specifications & Technical Compliance

We build our gas monitoring devices to meet the most stringent safety, environmental, and functional regulations globally.

Feature Technical Specification Target Application Benefit
Explosion-Proof Ratings Ex d IIC T6 Gb / Class I Div 1 & 2 Safe operation in highly flammable petrochemical zones.
Safety Integrity Level (SIL) SIL 2 Certified (IEC 61508) Verifiable reliability in automated emergency shutdown (ESD) loops.
Ingress Protection IP66 / IP67 Water and Dust Resistance Resists high-pressure water washdowns in processing plants.
Signal Interfaces 4-20mA, Modbus RS485, Relays (Fault/Alarm) Seamless integration into PLC/SCADA control frameworks.
Measurement Ranges 0-5 ppm, 0-10 ppm, 0-20 ppm (Customizable) Adapts to TLV safety metrics and leak-localization goals.

Global Trust: Our Partners

Collaborating with leading industrial, municipal, and energy enterprises to secure modern infrastructure.

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Corporate Updates & Industry Innovations

Keep pace with the latest technological developments and international partnerships from Xinhaosi.

Xinhaosi Handheld Uncooled Infrared Gas Leak Detector Launch
May 09, 2026

Xinhaosi Launches New Handheld Uncooled Infrared Gas Detector

Xinhaosi Electronic Detection Technology Co., Ltd. officially launched its new Handheld Uncooled Infrared Gas Leak Detector, featuring dual-technology fusion, ultra-fast response, and long-distance non-contact detection to enhance safety and efficiency in petrochemical, refrigeration, natural gas and industrial safety scenarios.

5th Western China Cross-Border E-Commerce Expo
May 08, 2026

XINHAOSI Participates in the 5th Western China Expo

XINHAOSI recently participated in the 5th Western China Cross-Border E-Commerce Expo held in Chengdu. The event brought together cross-border e-commerce platforms, global buyers, manufacturers, and supply chain companies, creating new opportunities for international business cooperation and overseas market development.

2026 Sichuan - Indonesia Industry Matchmaking Conference
May 08, 2026

XINHAOSI Joins 2026 Sichuan-Indonesia Trade Matchmaking

XINHAOSI recently participated in the 2026 Sichuan (Chengdu) – Indonesia Industry Matchmaking Conference held in Chengdu. The event gathered enterprises and industry representatives from China and Indonesia to strengthen industrial cooperation and explore new business opportunities in Southeast Asia.

Expert FAQ: Chlorine (Cl2) Gas Detection Systems

Critical operational answers for design engineers, safety managers, and procurement leads.

What is the typical lifespan of an electrochemical Cl2 sensor, and how often must it be calibrated?
Electrochemical chlorine (Cl2) sensors typically have an operational lifespan of 2 to 3 years under standard ambient conditions. Since chlorine is a highly reactive gas, exposure to high background concentrations or extreme dry/humid cycles can wear out the chemical electrolyte. For optimum safety, Xinhaosi recommends calibration verification checks every 6 months, using certified gas standard mixtures, to correct for sensitivity drift.
Where should Cl2 gas detectors be mounted in a facility?
Chlorine gas is approximately 2.5 times heavier than air (molecular weight of Cl2 is ~70.9 g/mol, compared to air at ~29 g/mol). Consequently, leaked chlorine gas will pool close to the floor. Detectors must be mounted at a height of 30 to 50 cm (approx. 1 to 1.5 feet) above the floor, and placed close to potential leakage sources like storage tanks, piping valves, and pumps. Adequate ventilation airflow directions should also be evaluated.
Which gas sensors display cross-sensitivity with Cl2 detectors?
Amperometric electrochemical Cl2 sensors show cross-sensitivity to other oxidizing gases. The most notable are Nitrogen Dioxide (NO2) and Ozone (O3). In facilities where these gases coexist, careful evaluation of baseline values is required, or specialized filtration membranes must be specified. Our engineering team can assist in configuring sensors tailored to complex multi-gas environments.
What certifications are required for chlorine gas detectors used in hazardous areas?
For combustible or volatile processing plants, the detector housing must be explosion-proof. In Europe, ATEX Zone 1/2 certifications are required; globally, IECEx approval is preferred, whereas UL/FM certifications are typical for North America. If the gas detector is part of an automated Safety Instrumented System (SIS) for emergency shutoff, it should also be certified to SIL 2 standards.
How does Xinhaosi ensure the quality of its OEM/ODM products?
Our manufacturing processes follow strict ISO 9001 quality management systems. We execute 100% automated optical inspections (AOI) on PCBAs, followed by multi-point calibration in environmental chambers under simulated temperature and humidity extremes. Every batch is traceable, and test logs are retained to guarantee E-E-A-T (Experience, Expertise, Authoritativeness, and Trustworthiness) standards.

Complete Commercial & Industrial Systems

Integrate our sensors with high-integrity shutoff valves, pressure monitors, and smart IoT network gateways.

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