TDLAS CH4 Sensor for Ambient Air Methane Detection Gasboard-2502
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Cubic Sensor and Instrument Co.,Ltd.
Introduction
Gasboard-2502 is developed based on Tunable Laser Absorption Spectroscopy (TDLAS) technology, which is a high-precision optical measurement technology that achieves ultra-low detection limit and high resolution through multiple reflections in a long optical path. Aiming at low-concentration methane leakage in the atmospheric background, Gasboard-2502 can achieve highly selective and accurate methane leakage detection, with a minimum detection limit of 1ppm and a resolution of 0.1ppm. Furthermore, it boasts fast response times with a warm-up time of less than 10 seconds. Based on the temperature compensation algorithm and self-diagnosis function, it ensures stable performance even in harsh working conditions and complex environments. In addition to its core performance features, Gasboard-2502 also has an intelligent power consumption design and a long lifespan of more than 10 years. Due to its modular structure, it is easy to integrate into a fixed detector that can be applied in oil and gas industry for methane emission monitoring.
Features
1.Super low concentration range 0~1000ppm
2.High accuracy and sensitivity to methane gas
3.Superior anti-cross interference compared with semiconductor technology
4.Fast response to capture minor gas leakage
5.Smart power consumption design
6.Long lifespan over 10 years
Specifications
Principle | TDLAS |
Measurement range | 0 ~ 1000ppm |
Minimal detection limit | 1ppm |
Resolution | 0.1ppm |
Accuracy | 5 ppm + 2% reading |
Warm up time | <10s |
Response time | T90<20s |
Output voltage | UART_TTL (3V) |
Working environment | -20℃ ~ 60℃; 0~98%RH (non-condensing) |
Storage environment | -40℃~85℃; 0~98%RH (non-condensing) |