In the increasingly complex industrial environment, the accurate detection of flammable and toxic gases has become a key element in ensuring operational safety and environmental compliance. The TDLAS200 Laser Methane Gas Sensor, developed by Kacise, provides a powerful and forward-thinking solution based on Tunable Diode Laser Absorption Spectroscopy (TDLAS) technology. With high sensitivity, fast response time, and ultra-low detection limits, it is a benchmark in the field of gas detection.
Why Choose TDLAS200 Laser Methane Gas Sensor?
TDLAS technology uses specific laser wavelengths to precisely scan for gases (like methane), achieving non-contact, highly selective detection even in environments with high humidity or interference.
TDLAS200A vs TDLAS200B
Kacise offers two model variants of the TDLAS200 Laser Methane Gas Sensor, tailored to different field applications:
Product Comparison Table:
| Product model | TDLAS200A(Pump) | TDLAS200B(Diffusion) |
|---|---|---|
| Picture |  |  |
| Detection object | Methane (CH4) | |
| Measurement principle | Laser absorption spectrum (TDLAS) | |
| Static detection limit | 0.5ppm@25℃ 5SPS (typical value, please contact us for details) | |
| Volume | 53ml | |
| Fastest response time | 0.2s | 90s |
| Measurement range | 0~5000ppm,0-10000ppm | |
| Measurement deviation | 0–200 ppm: ±2 ppm of the true value 200–1000 ppm: ±1% of the true value 1000–5000 ppm: ±2% of the true value 5000–10000 ppm: ±3% of the true value |
|
| 12hrs drift | +/-1.5ppm | |
| Operating temperature | -20~50℃ | |
| Power supply | 5-12VDC 1W (typical) 6W (maximum) Recommended 12V 1A |
|
| Dimensions | 115×59×38mm | 115×59×40mm |
| Gas inlet/outlet port | Pagoda direct M-5AU-4 | None |
| *1 Please ensure that the power input voltage of the module is not less than 5V *2 Pump selection recommendation <500ml/min |
||
Application
- TDLAS200A:
- Oil & Gas pipelines for continuous, unattended monitoring
- Biogas plant perimeters
- Storage tanks and hazardous locations
- TDLAS200B:
- Emergency rescue teams conducting leak searches
- Daily inspection of high-risk areas
- Temporary detection in construction or maintenance sites
Industrial Value
Unlike traditional catalytic or electrochemical sensors, the TDLAS200 series eliminates sensor poisoning, aging, and false positives caused by high humidity. The remote, open-path A model enables long-range, low-maintenance monitoring, while the B model offers mobility and convenience. Together, they form a complete methane detection solution across fixed and mobile applications.
Whether optimizing automated monitoring or empowering on-the-go inspections, TDLAS200A and TDLAS200B give industries the precision and safety edge needed in a high-stakes environment.
