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Sniffer4D Nano 2 Plus Base Unit: Configure Five Modular Slots for Mission-Specific Gas Detection
The Sniffer4D Nano 2 Plus Base Unit is a modular gas detection and mapping platform built for the DJI Matrice 4 series and DJI Dock 3, giving field crews a way to sense up to six airborne gas parameters in a single flight. Five internal module slots accept sensors for particulate matter, ozone, carbon monoxide, hydrogen sulfide, ammonia, and more, so the same base unit adapts to whatever gas hazard a mission calls for.
Built for UAS operators running pipeline inspections, landfill surveys, HAZMAT response, and industrial air quality surveys, the base unit weighs roughly 8.5 ounces (240 grams) and mounts directly to the aircraft E-Port with no external wiring required. Integration kits extend the same unit to the Matrice 400, Matrice 4E and 4T, and Matrice 350 and 300 for crews running mixed fleets.
Key Features and Benefits
- Five slots: mix sensors for up to six gas parameters.
- IP55 rating: operates safely in wet field conditions without extra housing.
- Direct E-Port mount: connects instantly to Matrice 4D and 4TD.
- Onboard weather sensor: tracks temperature, humidity, and pressure in real time.
- Encrypted data retrieval: stores twelve hours of mission data offline.
- Six status LEDs: monitor sensors, GNSS, storage, and aircraft link remotely.
- Onboard 32GB storage: retains complete mission logs in CSV format.
- Swarm capability: multiple units report data to one shared visualization terminal.
- DJI Pilot integration: view and control readings from the remote controller.
- Active air intake: shortens response time for faster gas readings.
Consistent Data in Any Condition
Consistent readings start with hardware built to hold up in the field. The Base Unit pairs an IP55 rated housing with an active air intake, so gas reaches the sensor chamber fast even in wind or light rain. Encrypted data transmission runs at 1Hz, and a twelve hour retrieval buffer protects mission data if cellular signal drops mid flight.
Swarm support lets fleet operators monitor multiple units from a single terminal, while the onboard 32GB card backs up every reading locally. That combination of speed, redundancy, and fleet visibility means fewer repeat flights and more defensible field data.
Compatibility and System Integration
- Matrice 4D/4TD (hardware included): connects to the aircraft's E-Port, Dock 3 ready.
- Matrice 400 Integration Kit (sold separately): mounts the base unit via bracket.
- Matrice 4E/4T Integration Kit (sold separately): pairs unit with matching mounting bracket.
- Matrice 350/300 Integration Kit (sold separately): extends compatibility to older Matrice airframes.
- DJI FlightHub 2 (third party software): enables remote monitoring and payload control.
- DJI Pilot 2 (included with DJI remote controller): displays live gas readings.
- AIRINS.ai platform (included, perpetual license): processes mission data into structured reports.
Applications and Use Cases
- Oil and gas inspection: screen pipelines and facilities for gas leaks.
- Landfill monitoring: track methane and odor emissions across active sites.
- HAZMAT response: identify hazardous gas concentrations before crews enter site.
- Ambient air monitoring: map particulate matter and pollutant levels citywide.
- Industrial site surveys: verify emission compliance across manufacturing and chemical facilities.
- Ship fuel monitoring: check sulfur content from vessel exhaust plumes.
Choosing the Right Sensor Modules for Your Mission
The Sniffer4D Nano 2 Plus Base Unit ships empty, so picking the right modules for your five slots is what actually defines the mission it can run. The table below breaks down each available module by detection method, range, and sensitivity, so you can match hardware to the gas hazard you are chasing.
| Module | Detection Method | Range | Limit of Detection | Best For |
|---|---|---|---|---|
| PM 1.0, 2.5, 10 (Particulate Matter) | Light scattering | 5 to 1,000 μg/m³ | 5 μg/m³ | General environmental monitoring |
| TSP / PM 100 (Total Suspended Particulates) | Light scattering | 30 to 3,000 μg/m³ | 50 μg/m³ | General environmental monitoring. Uses all 5 internal slots as a standalone build, cannot pair with other modules. |
| O3+NO2 (Ozone and Nitrogen Dioxide) | Electrochemistry | 0 to 11 ppm | 10 ppb | General environmental monitoring, photochemical oxidant tracking |
| NO2 (Nitrogen Dioxide) | Electrochemistry | 0 to 11 ppm | 10 ppb | General environmental monitoring, HAZMAT response, ship fuel sulfur monitoring |
| CO (Carbon Monoxide) | Electrochemistry | 0 to 11 ppm | 0.05 ppm | General environmental monitoring, HAZMAT response |
| SO2 (Sulfur Dioxide) | Electrochemistry | 0 to 15 ppm | 0.03 ppm | General environmental monitoring, HAZMAT response, ship fuel sulfur monitoring |
| H2S (Hydrogen Sulfide) | Electrochemistry | 0 to 90 ppm | 0.03 ppm | General environmental monitoring, oil and gas leak detection, HAZMAT response |
| NH3 (Ammonia) | Electrochemistry | 0 to 100 ppm | 1 ppm | Odor detection, HAZMAT response |
| OU (Odor Unit) | Electrochemistry | 0 to 10 ppm | 0.1 ppm | Odor detection, general environmental monitoring |
| TVOC (Total Volatile Organic Compounds) | Photoionization | 0 to 50 ppm | 0.02 ppm | General environmental monitoring, oil and gas leak detection, HAZMAT response |
| HCHO (Formaldehyde) | Solid state electrochemistry | 0 to 100 ppm | 1 ppm | Contact DSLRPros support for more information |
Scroll horizontally to view all columns on smaller screens.
Two configurations replace all five slots rather than filling one: the standalone TSP/PM 100 module and the separate Sniffer4D Nano 2 Plus Methane unit, which uses multi-pass TDLAS technology for dedicated methane screening. The optional External Measurement Module for wind, temperature, and humidity mounts separately and is not part of the five-slot module family. Talk to DSLRPros about your target gases before ordering so your slot configuration matches the mission.
The Sniffer4D Nano 2 Plus Base Unit exists to give UAS crews a single, reconfigurable sensor platform instead of a different device for every gas hazard. By keeping detection modular and data encrypted end to end, it holds up across pipeline surveys, landfill checks, and emergency response without demanding a new learning curve each time.
DSLRPros helps you configure every Sniffer4D Nano 2 Plus Base Unit before it ships, confirming module selection and integration kit fit against your specific Matrice platform. Our technicians have supported UAS crews across Public Safety, Industrial Inspection, and Environmental Monitoring for decades, so you get a configuration that matches your mission on day one.
Order the Sniffer4D Nano 2 Plus Base Unit from DSLRPros and get your gas detection payload flight ready fast.




















