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The GAS•TRAC® FMD is a highly advanced air quality monitoring system with a tunable diode laser spectroscopy (TDLAS) cell. This system can detect even the slightest traces of methane, as low as 200 PPB.

Moreover, when integrated with an anemometer, the FMD has the ability to pinpoint the exact location of leaks, providing highly accurate and reliable data for quantification. All the data gathered by the system is transmitted through cellular connectivity to either SENSITConnect or the server of the user’s choice.

With SENSITConnect, users can benefit from advanced analytics, alarms, and automated alerts. Additionally, integration with other software infrastructure is available upon request, making the GAS•TRAC® FMD a highly flexible and customizable solution.

Compatible with: SENSITConnect
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The GAS•TRAC® FMD is an advanced air quality monitoring system that detects even the smallest amounts of methane gas with detection levels as low as 200 PPB. Additionally, it’s ideal for spotting methane leaks in industrial settings. Where even small traces of methane can pose a significant safety hazard.


The GAS•TRAC® FMD air quality monitoring system has a special feature called the anemometer. That accurately locates the source of methane leaks by analyzing wind speed and direction. This helps organizations quickly address potential safety hazards and protect their employees and the environment.


The system can transmit all the data that it collects through cellular connectivity to either SENSITConnect or the user’s preferred server. Furthermore, this ensures that the data collected is always up-to-date and accurate. Making it an indispensable tool for organizations and industries that require efficient and reliable air quality monitoring.

  • Methane Selective Internal Optical Assembly for Local Detection
  • Built-in sampling pump
  • Built-in rechargeable battery
  • Wireless communication to a secure server
  • Continuous data logging

These standard features make the GAS•TRAC® FMD an exceptional choice for air quality monitoring. In addition to its superior detection capabilities.


The GAS•TRAC® FMD has a wide range of applications. Including greenhouse gas emissions monitoring, periodic environmental compliance, and leak detection and localization. Its advanced features and high-performance capabilities make it an indispensable tool for any organization or industry that requires detailed and accurate air quality monitoring.

For more SENSIT Air Quality Monitoring Products, click here.