High-Quality Combustible Gas Detector Supplier & Factory

Pioneering Hazardous Gas Monitoring Systems & Safety Technologies Worldwide

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Explore our industrial and commercial gas safety equipment. Direct from our certified manufacturing facility.

High-Quality China XP4000P Explosion-Proof Oxygen, Toxic, and VOC Gas Detector

High-Quality China XP4000P Explosion-Proof Oxygen, Toxic, and VOC Gas Detector - Leading Suppliers & Factory Manufacturers

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OEM China PMC-X602C Gas Pressure Transmitter Controller

OEM China PMC-X602C Gas Pressure Transmitter Controller - Reliable Suppliers and Factory for Industrial Solutions

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High-Quality JT-AT2007 Series Household Combustible Gas Detector

High-Quality JT-AT2007 Series Household Combustible Gas Detector Manufacturer, Factories

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High-Quality China JT-AT2007 Series Household Combustible Gas Detector

High-Quality China JT-AT2007 Series Household Combustible Gas Detector - Quality Suppliers and Factory Products Supplier

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China Suppliers Factory Direct AT2032X Low Voltage Power Box

High-Quality China Suppliers Factory Direct AT2032X Low Voltage Power Box for Efficient Power Management Solutions

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OEM JB-TB-AT2020SE Gas Detector Controller

OEM JB-TB-AT2020SE Gas Detector Controller Manufacturers, Manufacturer

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OEM IFD2020 Dual Infrared Flame Detector

OEM IFD2020 Dual Infrared Flame Detector Supplier, Factory

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High-Quality China JT-AT2005 Series Household Combustible Gas Detector

High-Quality China JT-AT2005 Series Household Combustible Gas Detector - Trusted Suppliers & Quality Factory Solutions

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Xinhaosi Electronic Detection Technology

X Represents the Unknown Risks. X Represents the Next-Gen Safety Technology.

Founded in 2003, Xinhaosi is one of the most influential and reliable brands in the gas safety industry. We provide customer-focused products and services to safeguard the safe operation of every factory, the comfort of every city, and the peace and happiness of every home. Powered by cutting-edge production systems and technology, we deliver more advanced, intuitive, and precise gas safety solutions for shaping a safer future world.

Gas Safety X Concept

Future Ready Architecture: In hazardous operations, the margin for error is absolute zero. Gas safety systems must detect invisible volatile threats before they reach critical lower explosive limits (LEL). Our design engineering leverages advanced electronic detection technology to make unknown gas leak risks clear, visible, and manageable in real time.

X Philosophy Icon

The Principle of Preventive Safety

Traditional sensing systems act reactively. The modern industrial sector requires intelligent, fast-response, and functional safety systems. Xinhaosi gas detectors leverage dual catalytic and infrared optical absorption sensing topologies to monitor, process, and isolate gas leaks at the point of origin, preventing catastrophic industrial and commercial gas incidents.

Production Line View Laboratory testing Quality checks

Decades of Proven Safety Milestones

High-capacity production systems coupled with rigorous quality assurance standards.

20+
Years of Industrial R&D
100+
Global Patent Technologies
50k+
Annual Industrial Installations
100%
Explosion-Proof Certification

China Factory Supply Chain & Engineering Advantages

Combining world-class component availability, high-speed SMT assembly, and strict ISO compliance.

Vertical Supply Integration & Global Sourcing Optimization

China is home to the world's most robust electronics and instrumentation manufacturing ecosystem. Operating directly from our factory in Chengdu, Sichuan, Xinhaosi utilizes local, high-precision semiconductor assembly hubs, cleanroom sensor testing labs, and state-of-the-art metal extrusion plants. This geographic footprint enables us to source top-tier raw materials, implement automated surface-mount technology (SMT) on our PCBs, and calibrate sensors under controlled chamber environments at a fraction of the cost of Western OEMs.

Advanced Core Sensors

We source and manufacture high-fidelity electrochemical, catalytic bead, and non-dispersive infrared (NDIR) sensors to guarantee long-term calibration stability and resistance to sensor poisoning.

Explosion-Proof Design

Enclosures are built using heavy-duty cast aluminum or 316 stainless steel with IP66/IP67 ingress ratings, designed to operate in Zone 1 and Zone 2 hazardous areas.

Rapid Prototype & Customization

With an in-house design engineering department, we offer OEM/ODM modifications, customizing communication protocols (RS485 Modbus, 4-20mA, HART, LoRaWAN) and custom branding.

Gas Detection Technologies Comparison Table

A comprehensive overview to guide engineers and procurement specialists in selecting the optimal sensing technology.

Sensing Technology Target Gases Detection Range Expected Lifespan Key Advantages Limitations
Catalytic Bead (Pellistor) Methane, Propane, Hydrogen, Butane 0 - 100% LEL 3 - 5 Years Low cost, highly linear response to most hydrocarbons, robust. Susceptible to poisoning by silicones, sulfur, and lead. Requires oxygen.
Non-Dispersive Infrared (NDIR) Carbon Dioxide, Methane, Hydrocarbons 0 - 100% LEL / Vol 5 - 10 Years Immune to sensor poisons, high accuracy, operates in anaerobic conditions. Will not detect non-hydrocarbon gases like Hydrogen. Higher initial cost.
Electrochemical Oxygen, Carbon Monoxide, H2S, Chlorine PPM range / % Vol 2 - 3 Years Extremely precise for toxic levels, low power draw. Cross-sensitivity to other gases, limited operating temperature range.
Semiconductor (MOS) Combustible & Toxic Gases PPM to % LEL 5 - 10 Years Extremely long life, high sensitivity to low gas concentrations. Non-linear output, affected by ambient humidity and temperature fluctuations.

End-to-End Solutions for Total Safety

Full-chain integration, comprehensive protection, and smart sensing systems for every scale of operation.

Industrial Gas & Flame Detection Systems

Industrial Gas & Flame

Safety first with precision sensing. Built to withstand hazardous, high-vibration, and corrosive environments like refineries, chemical processing sites, and maritime vessels.

Household & Commercial Gas Detectors

Household & Commercial

Reliable gas safety monitoring for boilers, kitchens, and residential complexes, ensuring automatic alerts, shutoff mechanisms, and rapid response to leak events.

Industrial & Household Gas Solenoid Valves

Industrial & Household Solenoids

Stopping leaks at the source. Engineered to pair directly with gas leak detection panels for instantaneous shutdown during emergency situations.

Urban Gas Distribution & Monitoring

Urban Gas Distribution

Smart sensors and telemetry frameworks for public municipal pipelines, reducing utility line risks and monitoring critical valves across major city infrastructure.

Global Procurement Challenges & Local Compliance

Addressing the demands of global EPC contractors, plant operators, and international distributors.

Meeting Strict International Certifications

For procurement officers, sourcing from overseas factories can present compliance hurdles. Xinhaosi ensures that every industrial gas detector meets rigorous safety certification targets. Our production facilities maintain ISO 9001:2015 quality systems, and our explosion-proof models comply with CNEX, ATEX, and IECEx schemes, verifying safety in combustible dust and gas atmospheres.

We work closely with local regional distributors in Europe, the Middle East, Southeast Asia, and South America to fast-track regional approvals, provide localized operating languages, and supply certified calibration certificates with every shipment.

Direct Solutions for EPCs & Industrial Distributors:

  • Functional Safety Standards: Support for Safety Integrity Level 2 (SIL 2) certifications.
  • Robust Interfaces: Integration options for Modbus RTU (RS485), 4-20mA analog loops, and HART systems.
  • Complete Lifecycle Protection: Long warranty options, readily available calibration cups, and replacement sensor elements.
  • Supply Chain Security: Guaranteed spare part availability for up to 10 years post-production.

Industrial Trends and Localization Application Scenarios

How next-generation gas telemetry solves real-world hazardous location problems.

Refineries & Offshore Rigs

High concentrations of hydrocarbons under high temperature and pressure conditions require rugged detectors. Our explosion-proof gas detectors monitor for fugitive emissions around pumps, storage units, and drilling platforms, operating safely in extreme marine environments.

Municipal Wastewater Treatment

Methane and toxic hydrogen sulfide gas build-ups in collection areas, wells, and digestion tanks pose serious risks to operators. Integrated detection systems trigger active exhaust ventilation fans and sirens when hazardous gas thresholds are exceeded.

LNG Storage & Fueling Stations

With clean energy infrastructure growing rapidly, LNG and hydrogen fueling facilities require precise LEL gas monitoring. Using NDIR sensors ensures rapid leak identification without the risk of sensor drift under anaerobic conditions.

Our Trusted Partners

Developing industrial safety solutions with top international enterprises and energy operators.

Industrial Gas Safety News & Updates

Stay informed on the latest product launches, global trade expos, and strategic industrial partnerships.

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

Xinhaosi Launches New Handheld Uncooled Infrared Gas Leak 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.

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

XINHAOSI Participates in the 5th Western China Cross-Border E-Commerce 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.

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Xinhaosi Indonesia Industry Matchmaking Conference
May 08, 2026

XINHAOSI Participates in 2026 Sichuan (Chengdu) – Indonesia Industry Matchmaking Conference

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.

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Expert Q&A: Understanding Combustible Gas Safety Systems

Technical, industry-standard answers to help industrial instrumentation engineers and global buyers make informed safety decisions.

What is the difference between catalytic bead and infrared (NDIR) sensors for combustible gases?

Catalytic bead (pellistor) sensors operate by burning target gases on an active bead, changing its electrical resistance relative to a reference bead. They are cost-effective, linear to various hydrocarbons, and simple to operate. However, they require oxygen to function and can be "poisoned" by substances like silicones, hydrogen sulfide, and chlorine, which coat the bead catalyst and reduce its sensitivity.

NDIR sensors utilize infrared light beams at target absorption wavelengths to calculate gas concentrations. Because there is no active chemical reaction, they cannot be poisoned, have an operational lifespan of over 7-10 years, and function in inert, oxygen-free environments. The initial procurement cost is higher, and they cannot detect non-carbon gases such as Hydrogen.

How often should industrial combustible gas detectors be calibrated?

Industry safety guidelines (such as EN 60079-29-2 and OSHA standards) recommend performing a bump check every 1 to 3 months and a full calibration every 6 months under normal operating conditions. More frequent calibrations are recommended if the sensors are exposed to extreme temperatures, heavy dust, moisture, high vibration, or known chemical poisons.

What certifications are mandatory for hazardous area installations?

In explosive gas zones, equipment must hold valid explosion-proof certifications. Standard international systems include:

  • ATEX: Mandatory throughout Europe for equipment used in explosive atmospheres.
  • IECEx: The global standard recognized across multiple international markets.
  • UL/CSA: Primarily required in North America (covering Class I Division 1 & 2 environments).
  • SIL Rating (IEC 61508): Demonstrates functional safety and reliability, ensuring target probability of failure on demand (PFD) metrics.

How does a gas solenoid valve integrate with a leak detector for automatic shutdown?

Our gas detector controllers feature internal output relays. When a gas leak reaches a pre-configured alarm threshold (e.g., 10% LEL), the controller closes a contact circuit, sending a 12V-24V pulse to the solenoid valve coil. This triggers a mechanical latching mechanism that shuts off the gas supply within 0.3 seconds. The valve remains safely closed until manually reset by facility operators after the leak has been resolved.

How does direct factory sourcing lower overall project procurement costs?

Sourcing directly from our ISO-compliant China manufacturing facility removes intermediary markups. It allows procurement teams to secure customized electrical housings, specialized communication protocols, and tailored mount accessories. Additionally, it streamlines replacement parts sourcing and facilitates direct engineering collaboration for complex SCADA integration.

Industrial Controllers & System Auxiliaries

Complete your environmental monitoring system with controllers, flame detectors, power systems, and alarms.

OEM FD1020 Single UV Flame Detector

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OEM China Suppliers Factory XP4000P Explosion Proof Oxygen Toxic VOC Gas Detector

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High-Quality China AT0421X Input Device

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OEM China AT2031X Low Voltage Power Box

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OEM AT2031X Low Voltage Power Box Manufacturer

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High-Quality China JB-TB-AT2020SEL Gas Detector Controller

High-Quality China JB-TB-AT2020SEL Gas Detector Controller - Leading Suppliers & Trusted Factory for Reliable Safety Solutions

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OEM China GT-AT0637 Wireless Smart Pressure Monitor

OEM China GT-AT0637 Wireless Smart Pressure Monitor - Trusted Suppliers & Factory for Precision Solutions

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OEM BJX-24E/BJX-22E Explosion-proof Light and sound alarm

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