Inspection of portable gas monitoring equipment at ppb level in spray industrial parks

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The current industrial production, environmental governance, emergency monitoring, park inspections and other scenarios continue to increase the requirements for gas safety control. Industries such as chemical, metallurgical, sewage treatment, landfill, warehousing and logistics, and municipal pipeline networks are prone to producing toxic, harmful, flammable, explosive, and odorous gases during production operations, maintenance, and leak investigation. Once the concentration exceeds the standard or the leak is not detected in a timely manner, it can easily cause safety accidents such as poisoning, explosions, and environmental pollution, posing a serious threat to personnel safety and the ecological environment.

With the continuous strengthening of national safety production and air pollution prevention and control supervision, enterprises have increasingly urgent demands for real-time, portable, accurate, and multi parameter integration of gas detection.

Inspection of portable gas monitoring equipment at ppb level in spray industrial parksBy using mid infrared cavity enhanced absorption spectroscopy (TDLAS-CEAS) technology, combined with pump suction sampling method, and integrating self-developed compact, long path multiple reflection ultra stable cavity, combined with wavelength modulation and normalization data processing algorithm, high-precision capture of target gas is achieved.

Inspection of portable gas monitoring equipment at ppb level in spray industrial parkscharacteristic
core technology
Adopting the mid infrared cavity enhanced absorption spectroscopy (TDLAS-CEAS) technology, combined with a self-developed compact long path multiple reflection ultra stable cavity, and combining wavelength modulation and normalization data processing algorithms, the monitoring accuracy and stability are guaranteed from the technical root.
Professional and reliable sampling system
The intake system optimized through professional fluid simulation effectively reduces monitoring instability caused by airflow fluctuations and adapts to the strict requirements of high-precision application scenarios.
Portability and efficiency
The design of the portable box structure is compact in size (560 × 350 × 230 mm) and lightweight, meeting the mobile monitoring needs of "carry and go". The millisecond level spectral measurement speed greatly improves monitoring efficiency.
Flexible and diverse data transmission
Supports multiple transmission methods including 5G/NB IoT, USB, RS485/RS232, and can be flexibly adapted according to application scenarios to ensure real-time and stable data upload.
Strong environmental adaptability
It can work stably in an environment with a temperature range of 10-40 ℃ and a relative humidity of ≤ 99% (non condensing state), and is suitable for monitoring needs in different outdoor and complex scenarios.
Low power consumption and low drift
Working power<80W, low energy consumption, convenient for outdoor mobile use; 24-hour drift control within 30ppb (methane and ethane both<30ppb/24hr) to ensure the accuracy of long-term monitoring data.

Product features
Accurate gas monitoring
Focus on quantitative monitoring of methane and ethane gas components. Among them, the range of ethane is 0-50ppm,
The accuracy can reach<10pppb, and the accuracy is optimized to 0.5ppb under 5s/5min conditions; The methane range is 0-1000ppm, with an accuracy of less than 20ppb. Under 5s/5min conditions, the accuracy is optimized to 1pppb, meeting the requirements of high-precision monitoring.
Real time online monitoring
Support real-time online data collection and analysis, combined with pump suction sampling method, quickly capture gas concentration changes, and the response time can be flexibly adjusted between 0.1s and 10s, providing timely feedback on monitoring results.
Data transmission and storage
Wireless remote data transmission can be achieved through 5G/NB IoT, or wired transmission through USB, RS485/RS232, making it convenient for users to view and store monitoring data in real time, providing support for subsequent analysis.
Stable operation function
Relying on a professional intake system and an ultra stable chamber design, it effectively resists airflow interference and environmental fluctuations. Its low drift characteristics ensure the stability and consistency of data during long-term continuous monitoring, adapting to the long-term work requirements in complex environments.
Mobile portable monitoring
The integrated design of the portable box does not require complex installation and debugging, and can be quickly deployed to different monitoring points to meet the needs of mobile monitoring scenarios, greatly improving monitoring coverage and flexibility.

Technical specifications

parameter indicators