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The BL-PT150 portable methane detector uses a tunable diode laser to emit light at a wavelength absorbed by methane. By measuring how much of that light is absorbed, the device infers methane concentration. The test distance can reach 200 meters and the reaction speed is 0.02 seconds. And it combines high precision with convenient field usability, making it an ideal tool for gas leak inspection, emergency response, and routine maintenance.
Frequently Asked Questions
What is the BL-PT150 Portable TDLAS Methane Detector used for?
The BL-PT150 is a handheld, laser-based methane detector designed for fast, non-contact detection of methane leaks. It is ideal for inspecting natural gas pipelines, distribution networks, refineries, petrochemical facilities, landfills, and other industrial assets where safe and accurate methane leak detection is required.
What detection technology does the BL-PT150 use?
The BL-PT150 uses TDLAS (Tunable Diode Laser Absorption Spectroscopy), an advanced laser-based technology that selectively detects methane while minimizing interference from other gases. This provides highly accurate, remote methane detection without requiring direct contact with the leak source.
What is the maximum detection distance?
The BL-PT150 can remotely detect methane leaks from distances of up to 150 metres, allowing operators to safely inspect hard-to-reach or hazardous areas.
How sensitive is the BL-PT150?
The detector offers a sensitivity of 5 ppm·m, enabling it to identify small methane leaks quickly and accurately during routine inspections.
How quickly does the detector respond?
The BL-PT150 features a rapid 20 millisecond response time, allowing users to identify methane leaks almost instantly.
Does the BL-PT150 detect other gases?
No. The BL-PT150 is designed to respond only to methane, reducing the likelihood of false alarms caused by other gases.
Is the BL-PT150 suitable for outdoor use?
Yes. The detector is rated IP68, providing excellent protection against dust and water ingress, making it suitable for demanding outdoor inspection environments.
What industries commonly use the BL-PT150?
The BL-PT150 is widely used in:
- Natural gas utilities
- Oil & gas production
- Pipeline inspections
- Refineries
- Petrochemical facilities
- Landfill gas monitoring
- Environmental monitoring
- Industrial safety inspections
- Emergency leak response teams
How long does the battery last?
The rechargeable lithium-ion battery provides a minimum of 10 hours of continuous operation, making it suitable for a full day of field inspections.
What accessories are included?
The BL-PT150 includes:
- Rechargeable lithium-ion battery
- Battery charger
- Carrying belt
- Screen protector
Additional accessories may vary depending on the package purchased.
Is the BL-PT150 intrinsically safe?
Yes. The detector is certified to Ex ib IIC T4 GB, making it suitable for use in hazardous environments where explosive gases may be present.
Does DroneLabs provide technical support?
Yes. DroneLabs provides genuine BLV products backed by manufacturer warranty, expert technical support, and assistance with selecting the right methane detection solution for your application.



