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BL-CH4 MINI 3 Pro Drone-based TDLAS Methane Detection Sensor For DJI Dock 3
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The BL-CH4 MINI 3 Pro UAV-based methane detection sensor is an advanced system designed to detect and map methane (CH4) concentrations with high precision and accuracy based on TDLAS Technology. Seamlessly integrated with DJl Dock 3,it is highly compatible to Matrice 4D/4TD, the system significantly reduces the cost and boosts the efficiency for unmanned inspections on industrial sites and pipeline leakages, opening up infinite possibilities.
Frequently Asked Questions
What is the BL-CH4 MINI 3 Pro used for?
The BL-CH4 MINI 3 Pro is a professional drone-mounted methane detection sensor designed for autonomous inspections of natural gas pipelines, oil and gas facilities, landfills, industrial plants, biogas facilities, and other locations where methane leak detection is required. It uses advanced TDLAS (Tunable Diode Laser Absorption Spectroscopy) technology to accurately detect and map methane concentrations.
Which DJI drones are compatible with the BL-CH4 MINI 3 Pro?
The BL-CH4 MINI 3 Pro is designed for the DJI Dock 3 ecosystem and is compatible with the DJI Matrice 4D and DJI Matrice 4TD aircraft through the DJI E-Port interface.
What detection technology does the sensor use?
The sensor utilizes TDLAS (Tunable Diode Laser Absorption Spectroscopy), a highly selective laser-based technology that enables accurate methane detection while minimizing false readings from other gases.
What is the maximum methane detection distance?
The BL-CH4 MINI 3 Pro can detect methane leaks from distances of up to 70 metres, depending on environmental conditions, target reflectivity, and operating altitude.
How sensitive is the sensor?
The sensor offers a sensitivity of 5 ppm·m, allowing it to detect very small methane leaks that may not be visible using conventional inspection methods.
How quickly does the sensor respond?
The BL-CH4 MINI 3 Pro provides an ultra-fast 20 millisecond response time, allowing operators to identify and locate methane leaks almost instantly during flight.
Can the sensor perform fully autonomous inspections?
Yes. When integrated with DJI Dock 3, the sensor supports fully autonomous inspection missions, scheduled flights, real-time methane monitoring, and automated data collection, reducing the need for manual inspections.
What industries commonly use the BL-CH4 MINI 3 Pro?
The sensor is ideal for:
- Natural gas utilities
- Oil & gas pipeline inspections
- Refineries
- Petrochemical facilities
- Landfill methane monitoring
- Biogas plants
- Environmental monitoring
- Municipal gas distribution networks
- Industrial safety inspections
Is the BL-CH4 MINI 3 Pro weather resistant?
Yes. The sensor carries an IP55 protection rating, providing resistance against dust and water jets, making it suitable for demanding outdoor inspection environments.
Does the system provide GPS mapping of methane leaks?
Yes. The BL-CH4 MINI 3 Pro supports precise GPS positioning and georeferenced methane mapping, allowing operators to accurately locate leak sources for reporting and maintenance planning.


