• AIRINS Sniffer4D NO2 Sensing Module
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AIRINS Sniffer4D NO2 Sensing Module

AIRINS Sniffer4D NO2 Sensing Module

$1,643.00
$1,643.00
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S-AIN-S4D-N2P-NO2

  • Electrochemical sensor measures nitrogen dioxide concentration independently of other gases
  • Ten part per billion limit catches low level nitrogen dioxide events
  • Wide linear range covers trace levels through elevated NO2 concentrations
  • Sub sixty second response delivers readings across a two ppm range
  • Onboard humidity correction maintains accuracy across variable field conditions
  • One part per billion resolution captures fine nitrogen dioxide shifts
  • Twenty four month service life supports extended field deployment cycles
  • Single slot install adds standalone NO2 sensing to any build
  • Compatible with O3+NO2 module for full photochemical oxidant breakdown
  • Supports HAZMAT response and ship fuel sulfur content monitoring missions
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  • Description
  • Specifications
  • In the Box
  • FAQ

Sniffer4D NO2 Sensing Module: Measure Nitrogen Dioxide Independently in a Single Flight

The Sniffer4D NO2 Sensing Module installs into a Sniffer4D Nano 2 Plus Base Unit to measure nitrogen dioxide concentration independently, unlike the combined O3+NO2 module, which cannot isolate NO2 on its own. Field teams needing a clean, standalone NO2 reading can add this module to any Base Unit build alongside other sensors.

Its application range extends beyond general air quality work into HAZMAT response and ship fuel sulfur content monitoring, making it a common choice for inspectors working port, industrial, or emergency response missions. Pairing this module with a standalone O3+NO2 sensor also lets programs back-calculate individual ozone concentration across the same flight.

Key Features and Benefits

  • Electrochemical sensing: measures nitrogen dioxide concentration independently of other gases.
  • 10 ppb detection limit: catches low level nitrogen dioxide events early.
  • 11 ppm linear range: covers trace levels through elevated NO2 concentrations.
  • Under 60 second response: delivers readings across 0 to 2ppm range.
  • Humidity correction: on-chip algorithm maintains accuracy across variable field conditions.
  • 1 ppb resolution: captures fine shifts in nitrogen dioxide concentration.
  • 24 month service life: supports extended field deployment before replacement.
  • Single slot install: adds NO2 sensing without claiming the full array.
  • O3 pairing ready: combines with O3+NO2 module for full gas breakdown.

The NO2 Sensing Module exists to give environmental and HAZMAT programs a clean, independent nitrogen dioxide reading without the ambiguity of a combined oxidant value. Whether flown alone or paired with an O3+NO2 module, it turns a single Base Unit slot into precise, mission specific gas data.

DSLRPros can configure your Sniffer4D Nano 2 Plus Base Unit with the NO2 Sensing Module alone or paired with an O3+NO2 module for full oxidant breakdown, whichever your mission calls for. Order the NO2 Sensing Module from DSLRPros and add standalone nitrogen dioxide detection to your next flight.

  • Detection principle: electrochemistry
  • Linear range: 0 to 11 ppm
  • Limit of detection: 10 ppb
  • Repeatability: <4% FS
  • Overall response time (t90): <60 seconds (0-2 ppm)
  • Display resolution: 1 ppb
  • On-chip proprietary humidity correction algorithm
  • Warm-up time from cold start: β‰ˆ2 minutes
  • Sensitivity drift: -20 to -40%/year (laboratory environment)
  • Zero drift: 0 to 20 ppb/year (laboratory environment)
  • Estimated service life: >24 months
  • Operating temperature: -30 to 40Β°C β€” note: may require zero-point readjustment due to changes in operating temperature or working environment
  • Operating humidity: 15 to 85% RH
  • 1x AIRINS Sniffer4D NO2 Sensing Module
What is the difference between this module and the O3+NO2 module?

This module measures nitrogen dioxide on its own, giving you a clean, independent NO2 reading. The O3+NO2 module instead reports a combined oxidant value that cannot separate ozone from nitrogen dioxide by itself. If you only need NO2 data, this standalone module is the simpler choice. If you need both O3 and NO2 individually, you would fly this module alongside the O3+NO2 module and calculate O3 by subtracting the NO2 reading from the combined value.

Can I fly this module at the same time as the O3+NO2 module?

Yes, since each module occupies one of the Base Unit's five slots, you can install both in the same Base Unit as long as slot capacity allows. Flying them together lets you back-calculate individual ozone concentration using the formula O3 equals the combined O3+NO2 reading minus the NO2 reading. This is a common configuration for programs that need a full breakdown of both gases rather than just a combined oxidant indicator.

What applications is this module best suited for?

Beyond general environmental monitoring, this module is specifically noted for HAZMAT response and ship fuel sulfur content monitoring, in addition to general air quality work. That makes it a common choice for port inspections, industrial compliance checks, and emergency response missions where nitrogen dioxide levels are a specific concern. DSLRPros can help you confirm this fits your particular use case.

Does this module need periodic recalibration?

The published specifications list a sensitivity drift of -20 to -40 percent per year and a zero drift of 0 to 20 ppb per year under laboratory conditions, and the module may need zero-point readjustment after significant temperature or environment changes. We don't have a specific recalibration interval from AIRINS beyond these figures, so for long-running deployments, reach out to DSLRPros or AIRINS directly to establish a maintenance schedule.

Do I need a specific Base Unit or drone to use this module?

The module installs into any Sniffer4D Nano 2 Plus Base Unit, which connects natively to the DJI Matrice 4D and 4TD, with integration kits available separately for the Matrice 400, Matrice 4E and 4T, and Matrice 350 and 300. If you do not already own a Base Unit, DSLRPros can configure one with this module installed and tested before it ships.