High-Quality Combustible Gas Monitor Manufacturer & Factory

Protecting Lives and Assets with Smart Industrial Sensing, Multi-Sensor Arrays, and End-to-End Safety Control Integration.

Leading Gas Detection Equipment & Controllers

Engineered for hazardous locations, municipal pipeline infrastructures, and smart industrial complexes.

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Safety Sensing Tech

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

Founded in 2003, Xinhaosi has spent over two decades developing advanced safety mechanisms that mitigate volatile and toxic hazards across the globe. Our focus on utilizing progressive electronic detection technology brings clarity to unknown gas leak risks, making them visible and preventable before critical failure occurs.

We provide customer-focused products and services that safeguard the operational efficiency of heavy factories, municipal complexes, and high-density residential properties. Guided by lean production methodologies and deep sensor integration, Xinhaosi delivers advanced, intuitive, and highly precise gas safety structures that build trust across global industrial supply chains.

Our Commitment

Integrating micro-nano electronic sensor development with industrial communication networks (such as 4-20mA, Modbus RTU, and wireless LoRaWAN/NB-IoT) to deliver sub-second response times in life-safety environments.

End-to-End Solutions for Total Safety

From municipal supply distribution to micro-chemical facilities, our monitoring architectures deliver seamless integration.

Industrial Gas & Flame

Precision safety solutions featuring explosion-proof, multi-channel gas transmitters for oil, gas, and refining processes.

Household & Commercial

Residential gas detection frameworks including localized warning systems and smart shut-off integrations.

Industrial & Household Valves

Emergency solenoid valves engineered to isolate gas flows directly at the source during critical alarm thresholds.

Urban Gas Distribution

Intelligent pipeline monitors and low-power IoT telemetry units designed for smart city municipal grids.

Industrial Gas Safety & Sensor Selection Framework

In heavy industrial processing, manufacturing, and underground municipal works, the accumulation of volatile organic compounds (VOCs) and combustible hydrocarbons presents a significant explosion risk. Selecting the appropriate combustible gas monitor involves understanding core electrochemical, catalytic, and optical sensing properties, as well as strict compliance with dynamic international safety standards.

Sensing Principles: Catalytic Bead vs. Non-Dispersive Infrared (NDIR)

Sensors are the front line of safety. Deciding which sensor architecture to integrate depends on the targeted environment:

  • Catalytic Bead (Pellistor) Sensors: These sensors operate via the oxidation of combustible gases on a catalytic surface. They are highly responsive to a wide spectrum of hydrocarbons and hydrogen, making them an economical and versatile choice. However, they require atmospheric oxygen to operate and are susceptible to sensor poisoning by silicones, lead, sulfur compounds, and halides.
  • Non-Dispersive Infrared (NDIR) Sensors: Utilizing optical absorption spectra, NDIR sensors identify specific chemical bonds in gas molecules. They do not require oxygen, are immune to poisoning, and offer exceptionally long operational life cycles. They are highly recommended for inert atmospheres or regions with high concentrations of hydrogen sulfide (H2S) or silicones, though they cannot detect hydrogen (H2).

Compliance, Regulatory Safeguards & SIL Ratings

Reliable gas safety hardware must function correctly under extreme industrial stress. Modern international plants demand systems certified by rigorous regulatory standards, ensuring explosion protection and functional safety:

  • Explosion Proofing: Products designated for hazardous locations must hold ATEX/IECEx certifications (e.g., Ex d IIC T6 Gb for flameproof enclosures, or Ex ia IIC T4 Ga for intrinsically safe layouts) or Class I, Division 1/2 approvals under UL/CSA structures.
  • Functional Safety (SIL2/SIL3): IEC 61508 standards define safety integrity levels (SIL). A combustible gas detector integrated into an automated plant shutdown routine should carry SIL 2 functional safety verification, providing a quantifiable probability of failure on demand (PFD).

The China Supply Chain & Factory Advantage

By leveraging robust manufacturing networks in China, Xinhaosi delivers advanced detection hardware at competitive price points. Our state-of-the-art production facility relies on:

  • Precision SMT Assemblies: Automated pick-and-place lines populate advanced multi-layer PCBs, ensuring minimal electromagnetic interference (EMI) and high vibration resistance.
  • Advanced Calibration Chambers: Our factory features custom environmental chambers that calibrate each sensor across temperatures ranging from -40°C to +70°C, ensuring stability in Arctic pipelines and desert petrochemical installations.
  • Component Vertical Integration: From fabricating cast aluminum explosion-proof junction boxes to assembling critical gas solenoid valves, control of the entire production line ensures consistent build quality and faster delivery times.

Xinhaosi Global Safety Operations

Uncompromising focus on hardware reliability, software precision, and global delivery systems.

2003
Year of Establishment
20+
Years Industry Expertise
100k+
Global Installations
SIL 2
Functional Safety Standard

Our Partners

Industrial operators, engineering contractors, and gas utility providers trust Xinhaosi detectors.

News

Stay tuned for the latest updates from Xinhaosi & the Industry.

Xinhaosi Launches New Handheld Uncooled Infrared Gas Leak Detector
May 09, 2026

Xinhaosi Launches New Handheld Uncooled...

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 West...

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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Sichuan - Indonesia Industry Matchmaking Conference
May 08, 2026

XINHAOSI Participates in 2026 Sichuan...

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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Strategic Procurement Guide for Global Enterprise Buyers

Procuring industrial-grade gas safety systems requires aligning project specifications with long-term operational costs (TCO). Procurement managers, engineering specialists, and system integrators must evaluate specific performance criteria before entering supply agreements:

1. Speed of Response (T90 Time) & Calibration Cycles

A gas transmitter’s response time directly impacts warning times and shut-off procedures. High-quality combustible detectors should feature a T90 response time of under 15 seconds. Standardizing calibration schedules is also crucial; selecting sensors with minimal baseline drift reduces the need for frequent field calibrations, lowering maintenance costs.

2. Field Output Interfaces & Smart Control Integrations

Modern plants rely on digital diagnostics. Ensure your gas monitors support multi-channel communication outputs:

  • Analog Outputs: Traditional 3-wire 4-20mA source loops remain the industry standard for PLCs.
  • Digital Buses: Modbus RTU (over RS485) allows daisy-chained wiring topologies, significantly reducing installation labor.
  • HART Communication: Enables overlaying diagnostic information onto the analog signal line, allowing for remote calibration checks and sensor health assessments.

3. Localized Support & Global Compliance Assurance

Procuring hardware from a China-based factory requires reliable local support channels to ensure smooth implementation. Partnering with a supplier that offers local commissioning, technical support, and regional certification alignment helps minimize design changes and keeps installation timelines on schedule.

Frequently Asked Questions

Expert answers regarding calibration, compliance, and industrial application of our combustible gas monitors.

How often do industrial combustible gas monitors require calibration?

For catalytic bead sensors, we recommend performing calibration verifications (bump tests) every 3 to 6 months depending on the environment. High-dust, high-temperature, or toxic environments may require monthly checks, while optical NDIR systems can go up to 12 months between calibration cycles due to their baseline stability.

Can you provide OEM/ODM customization services for gas controllers?

Yes. Our R&D center specializes in customizing enclosure designs, channel counts, Modbus registry mappings, and wireless protocol integrations. We work closely with engineering firms and OEMs to design systems that align with local standards and specific operational needs.

What is the difference between %LEL and PPM detection ranges?

%LEL (Lower Explosive Limit) measures the concentration of gas relative to the minimum amount required to ignite in air. PPM (Parts Per Million) measures trace concentrations of gas, typically used for detecting toxic hazards or identifying minor leaks long before they reach explosive levels.

What certifications do your factory systems hold?

Our products hold CNEx and CCAS certifications, and comply with international manufacturing standards such as ISO 9001:2015. Many of our explosion-proof models are designed to meet ATEX, IECEx, and SIL2 functional safety requirements.

Heavy Duty & Explosion Proof Series

Engineered for extreme operating environments, petrochemical plants, and large industrial facilities.

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