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Sniffer4D Multi-path TDLAS Hyper-local Methane Detection & Mapping Products

Quantitative methane detection at 1ppm resolution,

bringing intuitive visualized data to decision makers.

Traditional Solutions

Poor Flexibility in Deployment

Scenarios in energy, agriculture, solid waste treatment and scientific research cover various methane emission sources,

requiring a new device to reduce cost and improve efficiency.

Challenges in Low concentration Detection

Fixed monitoring equipment has

limitations in detecting low-concentration methane leaks.

Limited Work Scenario & Long Response Time

Laser scanning can easily be affected by the object surfaces or obstacles.

 1ppm TDLAS Methane Sensing & Mapping System

Sniffer4D 1ppm TDLAS Methane Sensing & Mapping System

Compatible with a variety of UAVs, supporting up to 3 external modules for customized tasks with different configurations.

Advanced real-time data visualization and analytical software  — Sniffer4D Mapper

SN4D mapper

Real-time intuitive & insightful information for decision-making

MP TDALAS Methane module

Sniffer 4D 1ppm TDLAS Methane Sensing Module

Sniffer4D Mini2 base unit or Sniffer4D 1ppm NDIR CO2 Sensing & Mapping System required.


Tunable Diode Laser Absorption Spectroscopy (TDLAS)

Detection method: Tunable Diode Laser Absorption Spectroscopy (TDLAS)

Superior Gas Selectivity

Sensitive to methane Only, contact-based and closed-path TDLAS for quantitative methane detection.

Short Response Time

Built-in air pump and ultra-compact cabin allow response to

the concentration changes within seconds and even shorter.

Internal Vibration Reduction Mechanism

Ultra compact & lightweight structural design for internal vibration reduction mechanism significantly reduces the vibration effects from the moving platforms, acquiring the best data quality.


Mobile Methane Monitoring Solutions at 1ppm Resolution

Flexibly integrated on mobile platforms such as UAVs and robot dogs, a single device can simultaneously meet the needs of airborne and ground-based mobile GHG monitoring, making it easy to build a 3D monitoring network.

dji adapted
M350+mini2+MPTDLAS module
dji adapted-1

Sniffer4D 1ppm TDLAS Methane Sensing & Mapping System + DJI UAVs

Simple Integration with UAVs

Sniffer4D 1ppm TDLAS Methane Sensing & Mapping System supports connecting to 1 ppm NDIR CO2 Sensing Module,

Ultrasonic Wind Speed & Direction Sensing Module, Nuclear Radiation Sensing Module

Sniffer4D 1ppm TDLAS Methane Sensing & Mapping System

MP TDLAS system

Expansion Bay


Sniffer4D 1ppm NDIR CO2 Sensing


Nuclear Radiation Sensing

NUclear raditation

Wind Sensing

wind speed and direction

DJI Dock


Opening up Infinite Possibilities

Integrated with DJI M30 series and DJI Dock, the system significantly reduces the cost and boosts the efficiency for unmanned inspections on industrial sites and pipeline leakages, opening up infinite possibilities.

Collaboration for Added Value

Ultra compact & lightweight structural design releases the UAV payload, fully achieving autonomous aerial gas sensing to provide mroe added value for the flights.

dji m30+  mp tdlas
DJI Flight hub

DJI Flight Hub 2 Supported

Sniffer4D 1ppm TDLAS Methane Sensing & Mapping System also supports real-time data display and remote control from DJI Flight Hub 2, allowing automatic forwarding to Cloud and achieving private deployment.

Sniffer4D System——One-stop Workflow

One-stop workflow allows users to easily finish data collection and work report in one mission.

one-stop workflow

Sniffer4D collects real-time data

4G real-time data transmission to the Cloud

Sniffer4D Mapper analyzes and visualizes the real-time data

Report & datasheet generation

Real-time concentration reading on DJI Pilot

Sniffer4D transmits data to DJI Pilot through PSDK connection

Real-time: Built-in 4G connectivity for real-time data transmission to one or multiple ends. Swarm supported.


* SIM card with traffic can be provided (cost separately).


Offline: Support SD auto recording (with GNSS- fixed) for post-mission analysis.

Supports Private Deployment to Third-party Platforms

* Contact Soarability to activate access

Sniffer4D hardware supports real-time data outputting to user-specified platforms through the MQTT protocol.

Sniffer4D Mapper software also supports outputting the decoded data (json format) to a designated IP address through UDP.

Achieve Top-down Approach for Efficient Environmental Monitoring

Public Transport & Service Vehicles for

Ground Measuring

With the long operating hours and random driving routes, the public transport & service vehicles-mounted solution can further reduce the cost of data collection, improving efficiency in locating the fugitive emissions sources scattered in time and space.


UAVs for Aerial Measuring

With the planned flight path and regional coverage,

the UAV-based detection can achieve quick data collection from low altitudes covering a large area.

Together with the visualized analytical software, the system brings  real-time data display and visualization, as well as one-click result delivery for decision makers.


Create a 3D Monitoring Network

No limitation to terrain, achieving a solution for both aerial and ground GHG monitoring.


Continuous Spacial Monitoring

Support real-time concentration visualization  from different altitudes.


Quantitative GHG Detection at 1ppm Resolution

Acquire ultra-high  spatiotemporal environmental data in real time.

One-stop Workflow

One-stop workflow allows users to easily finish data collection and work report in one mission.

One-stop Workflow

One-stop workflow allows users to easily finish data collection and work report in one mission.

mapper software

Typical Applications

User Cases

Qinghai Oil Filed Inspection

The integration of methane sensing and wind sensing on DJI M300 helps the petroleum and petrochemical industry establish vertical profiling for methane distribution, boosting the efficiency of data collection.

user case 10

Solution: M300 + Sniffer4D Mini2 + TDLAS Methane Sensing Module + Ultrasonic Wind

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