Against the backdrop of industrial intelligent upgrading and dual carbon control, accurate carbon dioxide monitoring has become a core necessity for industrial safety production, process optimization, and environmental compliance. Traditional gas sensors suffer from drawbacks such as susceptibility to environmental interference, short lifespan, accuracy drift, and susceptibility to poisoning, consistently hindering industries like chemical, HVAC, mining, and agriculture. TX721-A1 infrared carbon dioxide gas sensor, based on the mature NDIR (non-dispersive infrared) detection principle and integrating micro-machining and precision circuit design, offers high stability, high adaptability, intrinsically safe explosion-proof features, making it the preferred solution for CO₂ monitoring in the industrial field.

TX721-A1 Infrared CO2 Gas Sensor

    Core Technological Advantages, Forging Industrial-Grade Hardcore Strength

    TX721-A1 sensor, based on the NDIR physical detection principle, is oxygen-free, completely avoiding the shortcomings of electrochemical sensors such as easy aging and poisoning, making it suitable for long-term operation in complex industrial conditions.

    Precise and Sensitive, Ultra-Fast Response: Featuring high sensitivity and high resolution, with a T90 response time of less than 30 seconds, it can capture real-time dynamic changes in carbon dioxide concentration; equipped with a built-in temperature compensation algorithm, it offers excellent linearity and measurement accuracy of ±(50ppm + 5% of the reading), ensuring accurate and drift-free data.

    Uninterrupted and Durable, Adaptable to Harsh Environments: A dedicated anti-moisture design allows it to operate reliably in humid and dusty environments; the operating temperature range covers **-20℃~60℃**, and it can operate stably in non-condensing environments with humidity from 0~95% RH; the protection rating reaches IP54; the overall service life exceeds 5 years, significantly reducing replacement and maintenance costs.

    Multi-output compatibility, easy integration and adaptation: Supports UART digital communication and dual output modes with 0.4~2V analog voltage. Interface level is 3.0V, 9600 baud rate standard communication protocol, compatible with various industrial controllers, PLCs and IoT monitoring equipment. Simple wiring and strong compatibility.

    Intrinsically safe and explosion-proof, maximum safety level: Complies with GB3836.1 and GB3836.4 national explosion-proof standards, explosion-proof mark Exib ⅡB T4 Gb, applicable to Zone 1 and Zone 2 explosive gas environments. Certified by professional institutions for explosion-proof protection, it can be installed in hazardous industrial sites with safety barriers, ensuring a solid safety production baseline.

    Wide range customization, full scenario coverage: Supports multiple ranges from 2000ppm to 10% Vol, with customizable ranges such as 0~6000ppm, 0~1% Vol, and 0~5% Vol, catering to both trace concentration detection and high-concentration industrial monitoring needs.

    Full-Scenario Deployment, Deeply Rooted in Diverse Industrial Applications

    With its superior performance and reliable quality, TX721-A1 infrared CO₂ sensor widely covers core scenarios across all industrial sectors, empowering intelligent management and control:

    Industrial Processes and Safety Protection: Applied to chemical industrial parks, enclosed workshops, underground mines, and other scenarios, it monitors carbon dioxide concentration in real time, providing timely warnings of exceeding limits to prevent safety hazards such as asphyxiation and gas leaks; it is also compatible with reactors and production line exhaust gas monitoring, facilitating precise process control.

    HVAC and Industrial Indoor Air Monitoring: Compatible with HVAC systems in factories and large industrial buildings, it intelligently adjusts fresh air volume in conjunction with ventilation equipment, ensuring a comfortable production environment while achieving energy conservation and emission reduction, aligning with the needs of green and low-carbon industrial development.

    Agriculture and Livestock Industry: In large-scale breeding workshops and temperature-controlled greenhouses, it monitors CO₂ concentration in real time, linking with ventilation and temperature control systems to optimize the growth environment for plants and animals, improving breeding and planting productivity.

    Environmental Carbon Emission Monitoring: Adapted to industrial waste gas emission and carbon capture monitoring scenarios, it accurately collects CO₂ concentration data, helping enterprises complete environmental compliance testing and carbon footprint accounting, and meet emission control requirements under the dual-carbon policy.

    Product Highlights, Reducing Industrial Application Costs

    The sensor adopts a compact design of Φ20mm×22.4mm, weighing only 35g, facilitating embedded installation and equipment integration; it warms up quickly in 3 minutes and can stably detect upon power-up; it has a built-in fault self-checking function, automatically outputting a 0V signal in case of abnormality, facilitating rapid fault diagnosis; it supports remote calibration at zero point and span points, and is recommended to be calibrated every 6 months; it is easy to operate and suitable for unattended industrial monitoring scenarios.

    From safety protection to process optimization, from environmental compliance to energy saving and efficiency improvement, TX721-A1 infrared carbon dioxide sensor addresses various pain points in industrial CO₂ monitoring with its five core values: high precision, high stability, explosion-proof safety, easy integration, and long lifespan. It is an ideal sensing standard for intelligent industrial monitoring, safe production control, and green and low-carbon transformation.

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