Purway UAV TDLAS Methane Detector - Model III
The Purway UAV (Unmanned Aerial Vehicle) Methane Detector Model III is a payload designed primarily for seamless integration with DJI Matrice 300/350/400, and other selected industrial drones. Powered by advanced TDLAS laser technology, it enables fast, remote detection and precise localization of methane leaks across pipelines, facilities, landfill and other environmental sites. An integrated laser target indicator provides a visual reference of the TDLAS line-of-sight. The detector operates as an independent sensing payload and can be deployed alongside optical or thermal gimbal cameras on DJI enterprise UAV platforms.
APP-Based Configuration
Purway Captain APP compatible with DJI M300, M350, and M400 RTK platforms, allowing real-time control.
Automated Report Output
All inspection results can be reviewed, categorized, and exported directly without relying on cloud services.
Key Features
Weight: 730g
Response Speed: 5ms/10ms/100ms
Telemetry: Up to 300m
Sampling: 50 HZ
Gimbal: 3-Axis DJI X-Port
Rangefinder: 1200m
Camera：48MP/4K/16x
Algorithm: Ambient Value
Laser Safety: Class 3R (Green)
Protection: IP44
Additional Required Components
Compatible drone
Purway Captain Application
Additional Information
Supported Drones
DJI Matrice 300
DJI Matrice 350
DJI Matrice 400
Other Drones
Full SpecificationYou can also download our Full Specification PDF
Softeware Demo
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![Purway software map indicating a drone and payload's position in the designated area for scanning methane leaks.]()
In-App Area Planning
The system supports flexible UAV flight planning for natural gas pipeline inspections, including both area-based scanning and corridor-based inspection modes.
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![Purway software map indicating a drone and payload's position in the designated route for scanning methane leaks.]()
In-App Route Planning
Operators can define inspection routes, altitude, speed, and spacing directly within the APP, enabling efficient coverage of long-distance pipelines and complex infrastructure.
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![Individual grasping a plastic bag filled with methane, captured and monitored on screen showing live methane leak monitoring in a laboratory]()
Live Monitoring
The APP displays live concentration values, trend curves, and GPS location simultaneously, enabling users to quickly identify, assess, and document methane leaks.
All measurement data, including time, date, and location, are automatically recorded for further analysis, reporting, and regulatory compliance.
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![Map displaying the location of methane detection routes and monitors, featuring data visualization and a table from a methane detection scan]()
Data Visualization & Analysis
With the upgraded software workflow, inspection results can be reviewed, categorized, and exported directly without relying on cloud services or external data platforms.
Inspection data and visual evidence can be seamlessly compiled into Word-format reports through the application, significantly improving reporting efficiency while maintaining data privacy and security.
Tell Us Your Case
Looking for more information? We regularly share industry insights and updates, along with downloadable user guides to help you get the most out of our solutions. If you need a live demo, direct technical support or requesting a quote, don’t hesitate to send us a inquiry here. Whether you're exploring remote methane leak detection solutions or looking to upgrade your current inspection workflow, we’ll guide you every step of the way.