What gases can the XNX transmitter detect?

The XNX Honeywell detector is a versatile gas monitoring platform capable of detecting over 100 different gases, including toxic substances such as hydrogen sulfide and carbon monoxide, combustible gases such as methane and propane, and oxygen levels for safety monitoring. This universal transmitter uses interchangeable sensor modules to provide comprehensive gas detection solutions across various industrial applications, from confined space monitoring to explosion prevention systems.

What is the XNX transmitter and why is it essential for industrial gas detection?

The XNX transmitter is Honeywell’s universal gas detection platform, designed to monitor hazardous atmospheres in industrial environments. It serves as a central hub that accepts multiple sensor types while providing continuous real-time monitoring, alarm capabilities, and data communication to control systems.

This universal platform design makes the XNX transmitter essential for industrial safety because it eliminates the need for multiple detection devices. Process engineers can configure a single transmitter to handle different gas monitoring requirements by simply changing sensor modules. The system provides 4–20 mA output signals, digital communication protocols, and local display capabilities that integrate seamlessly with existing safety systems.

Industrial facilities rely on the XNX for continuous atmospheric monitoring in areas where gas leaks could endanger workers or disrupt operations. The transmitter’s robust construction withstands harsh industrial conditions while maintaining accurate detection capabilities. Its modular approach allows facilities to adapt their gas detection strategy as processes change or expand, making it a cost-effective long-term safety investment.

Which toxic gases can the XNX transmitter detect and monitor?

The XNX transmitter detects a comprehensive range of toxic gases commonly found in industrial processes, including hydrogen sulfide, carbon monoxide, ammonia, chlorine, nitrogen dioxide, sulfur dioxide, and phosphine. Each toxic gas requires a specific electrochemical sensor module designed for that particular substance.

Hydrogen sulfide detection is crucial in oil and gas operations, wastewater treatment, and chemical processing, where this deadly gas can accumulate. The XNX monitors concentrations typically from 0–100 ppm, with alarm setpoints configured according to workplace exposure limits. Carbon monoxide monitoring protects workers in areas with combustion processes, boiler rooms, and confined spaces where incomplete combustion creates this odourless killer.

Ammonia detection capabilities make the XNX valuable in refrigeration systems, chemical plants, and agricultural facilities. Chlorine monitoring protects workers in water treatment facilities and chemical manufacturing. The transmitter’s sensor modules provide detection ranges appropriate for each application, from parts-per-million levels for highly toxic substances to higher concentrations for less hazardous gases. We supply Honeywell Analytics gas detection solutions configured for specific industrial requirements.

How does the XNX transmitter handle combustible gas detection?

The XNX transmitter monitors combustible gases using catalytic sensors that detect methane, propane, hydrogen, and various hydrocarbon vapours. These sensors measure gas concentrations as a percentage of the Lower Explosive Limit (LEL), typically ranging from 0–100% LEL to prevent explosive atmospheres.

Methane detection is essential in oil and gas facilities, landfills, and wastewater treatment plants where this combustible gas naturally occurs. The XNX provides early warning before concentrations reach dangerous levels, typically alarming at 25% LEL for evacuation and 50% LEL for emergency shutdown procedures. Propane monitoring protects areas with LPG storage, heating systems, and industrial processes that use this fuel gas.

Hydrogen detection capabilities are increasingly important in facilities transitioning to hydrogen fuel systems or chemical processes that produce this highly flammable gas. The transmitter’s catalytic sensors respond quickly to the presence of combustible gas, providing the rapid detection necessary for explosion prevention. Hydrocarbon vapour monitoring protects areas with fuel storage, chemical processing, and paint operations where volatile organic compounds create fire and explosion risks.

What oxygen monitoring capabilities does the XNX transmitter offer?

The XNX transmitter monitors oxygen levels using electrochemical sensors that detect both oxygen deficiency and enrichment conditions. Standard monitoring ranges cover 0–25% oxygen concentration, with typical alarm setpoints at 19.5% for deficiency and 23.5% for enrichment warnings.

Oxygen deficiency monitoring is critical for confined space entry procedures, where workers face asphyxiation risks from displaced oxygen. The XNX provides continuous monitoring during maintenance work in tanks, vessels, and underground spaces where inert gases or chemical reactions consume available oxygen. Enrichment detection protects against fire and explosion risks in areas where oxygen-rich atmospheres increase combustion hazards.

Industrial processes that use nitrogen purging, carbon dioxide systems, or inert gas blanketing require oxygen monitoring to ensure worker safety. The transmitter’s oxygen sensors maintain accuracy across temperature variations and provide reliable detection in challenging industrial environments. We configure oxygen monitoring systems for specific applications, from simple confined space entry to complex process safety requirements that demand precise atmospheric control.

How do you choose the right XNX sensor configuration for specific gas detection needs?

Selecting the appropriate XNX sensor configuration requires evaluating the specific gases present, their concentration ranges, environmental conditions, and safety requirements. Each application demands careful consideration of sensor type, detection range, response time, and integration capabilities.

Begin by identifying all potential gas hazards in your facility through process analysis and risk assessment. Consider normal operating conditions, potential leak sources, and emergency scenarios that could create dangerous atmospheres. Environmental factors such as temperature, humidity, pressure, and the presence of interfering substances influence sensor selection and calibration requirements.

Match sensor detection ranges to your specific monitoring needs, ensuring coverage from normal background levels to dangerous concentrations. Consider alarm setpoint requirements based on regulatory standards, workplace exposure limits, and emergency response procedures. The XNX platform accommodates multiple sensor types simultaneously, allowing comprehensive monitoring of mixed-gas environments. We provide technical guidance for selecting optimal sensor configurations that meet both safety requirements and operational demands while ensuring reliable long-term performance.

Interested? Please contact us!

Our product specialist will be pleased to advise you about our products and solutions.

Follow on LinkedIn