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Product Overview
The Laser Gas Analyzer (Explosion-Proof Type) uses Tunable Diode Laser Absorption Spectroscopy (TDLAS) technology, capable of simultaneously measuring the volumetric concentrations of gases such as O2, CO, CO2, H2S, CH4, and more. It is equipped with pre-treatment components, making it suitable for harsh working conditions, including environments with moisture and dust. The specially designed explosion-proof functionality ensures safe and reliable gas monitoring in flammable and explosive environments, safeguarding industrial production processes.
Key Features
- TDLAS Technology: Utilizes Tunable Diode Laser Absorption Spectroscopy (TDLAS) for high-precision gas measurements with strong anti-interference capability.
- Self-Diagnostic Function: Includes a self-diagnostic function to monitor the sensor's operating status in real-time, ensuring stable instrument performance.
- High Automation: Highly automated with low maintenance requirements, making it ideal for unmanned, long-term operation without human oversight.
- Multiple Interface Transmissions: Supports various data transmission interfaces, simplifying data management and facilitating integration with other systems.
- Explosion-Proof Design: Meets explosion-proof rating Ex d ⅡC T6, ensuring safe operation in hazardous, flammable, and explosive environments.
Applications
- Oil and Gas Industry: Used for real-time gas concentration monitoring in oil and gas extraction, refining, and transportation environments, ensuring safe operations.
- Chemical Industry: Monitors gas changes during chemical reactions to ensure the safety and stability of production processes.
- Power Generation: Applied in power plants for combustion gas analysis, improving combustion efficiency and reducing harmful emissions.
- Mining: Provides real-time monitoring of harmful gas concentrations in hazardous locations like mines, ensuring worker safety.
- Environmental Monitoring: Monitors pollutant emissions and ensures compliance with environmental standards, reducing environmental risks.
| Measured Gas | Range | Accuracy | Resolution |
| O2 | 0~10000ppm | ±2%F.S. | 1ppm |
| 0~5%VOL | ±2%F.S. | 0.01% | |
| 0~25%VOL | ±1%F.S. | ||
| 0~100%VOL | ±0.5%F.S. | ||
| CO | 0~500ppm | ±2%F.S. | 0.1ppm |
| 0~1000ppm | ±1%F.S. | ||
| 0~5%VOL | ±2%F.S. | 0.01% | |
| 0~25%VOL | ±1%F.S. | ||
| 0~100%VOL | ±1%F.S. | ||
| CO2 | 0~1000ppm | ±2%F.S. | 0.1ppm |
| 0~5%VOL | ±2%F.S. | 0.01% | |
| 0~25%VOL | ±1%F.S. | ||
| 0~100%VOL | ±1%F.S. | ||
| H2S | 0~1000ppm | ±2%F.S. | 0.1ppm |
| 0~1%VOL | ±2%F.S. | 0.01% | |
| CH4 | 0~100ppm | ±2%F.S. | 0.1ppm |
| 0~1000ppm | ±1%F.S. | ||
| 0~5%VOL | ±2%F.S. | 0.01% | |
| 0~25%VOL | ±1%F.S. | ||
| 0~100%VOL | ±1%F.S. | ||
| Measurement Principle | Tunable Diode Laser Absorption Spectroscopy (TDLAS) | ||
| Response Time | ＜40s | ||
| Optimal Flow | 0.7~1.2L/min | ||
| Sample Gas Requirements | Dust-free, water-free, oil-free | ||
| Communication Interface | RS-485/RS-232; 4~20mA | ||
| Power Supply | AC220V, 50Hz | ||
| Display | LCD Display | ||
| Explosion-proof Rating | Ex d ⅡC T6 | ||
| Features | Built-in zeroing pump for automatic air zeroing; self-diagnosis function, can check sensor status online | ||
| Notes | ① All data in the table is measured under standard atmospheric pressure. | ||
| ② The measurement standard gas is provided by a certified unit of the National Metrology Department, with all gases diluted in dry nitrogen, and the nitrogen purity is required to be greater than 99.999%. | |||
| ③ Response time is related to the inlet flow, and the response time is tested at a flow of 2L/min. | |||
