Sniffer4D Nuclear Radiation Sensing

A safe, efficient, and accurate way to obtain 3D nuclear radiation dose rate distribution. Assess the scene from a safer distance.

Traditional Solutions

  1. High Risk. Much reliable on the onsite operation and unable to avoid the risk of exposure to radiation.
  2. Slow Response. The crew is unable to response and deploy with efficiency in HAZMAT scenarios.
  3. Poor Flexibility. Unable to provide 3-D continuous distribution information for nuclear radiation inspection.

Solution Introduction

Sniffer4D Nuclear Radiation Sensing + Sniffer4D V2+ UAV +Sniffer4D Mapper

  • By seamless integration with UAV platforms, Sniffer4D Nuclear Radiation Sensing System generates real-time 3-D distributions of y-ray and x-ray dose/dose rate while flying. The solution can provide accurate and intuitive information, continuously serving users in emergency radiation detection & mapping, cargo nuclear radiation inspection, plant inspection, etc.

High Sensitivity & Reliable Data

Sniffer4D Nuclear Radiation Sensing Solution uses energy compensation-based Geiger-Müller counter as its detection method, offering a detection limit up to 0.083uSv/h.

Thanks to the optimized algorithm Soarability developed specifically for UAV-based air monitoring in low-dose-rate applications, the system is certified with class-leading data quality in its class in terms of the size and weight.

Remote Operation for Safety First

With its small size and light weight, Sniffer4D Nuclear Radiation Sensing Solution allows a Max. flight time up to 35minutes for DJI M300 (with a zoom camera) and a Max. working radius of 10km in a single mission. The solution can prevent onsite personnel from the exposure risk of nuclear radiation to the most.

Quick Response & Efficient Deployment

Combined with advantages of multi-rotor UAVs (e.g. enhanced flight performance, easy taking off & landing, autonomous cruise, waypoint hover), Sniffer4D Nuclear Radiation Sensing Solution allows the crew to respond with efficiency in multiple scenarios.

Multi-dimensional Detection & Overall Assessment

In HAZMAT scenario, Sniffer 4D Nuclear Radiation Sensing Solution offers a safe, efficient, and accurate way to obtain 3D nuclear radiation dose rate distribution in real-time, providing timely actionable insights for decision makers.

Typical Application

  • HAZMAT Response. Emergency Radiation Detection & Mapping
  • Customs. Cargo Nuclear Radiation Inspection
  • Nuclear Power Plant. Plant Inspection
  • Mining. Nuclear Radiation Mapping

Detection method

Energy Compensation – based Geiger-Müller Counter



Theoretical resolution


Single accumulation range



1.2μGy/h(60Co radiation source)

Energy range


Background level


Power consumption


Warm-up time

about 40s

Operating temperature


Estimated service life

8.3×10^8μSv (10^9 pulses)

Matrice 350 RTK

An upgraded flagship drone platform, the Matrice 350 RTK sets a new benchmark for the industry. This next-generation drone platform features an all-new video transmission system and control experience, a more efficient battery system, and more comprehensive safety features, as well as robust payload and expansion capabilities. It is fully powered to inject innovative strength into any aerial operation.

GPR system: Radar Systems Zond Aero LF (low frequency)

Extra-lightweight GPR system, suitable for medium-sized drones like DJI M300 RTK.

Comes with 3x sets of dipoles for the 300, 150, and 100 MHz.

Utilizes Real Time Sampling (RTS) with high hardware stacking, delivering high-resolution low-noise data.

Laser Falcon methane detector

Laser Falcon is sensitive only to methane, so no false readings of other gases are possible. It is a class 3R eye-safe laser.

The concept is based on Infrared Absorption Spectroscopy. The laser emits light (spectral range of 1,65 μm), which reflects back and is captured by the sensor. The outgoing and incoming signals are compared with the built-in reference cell. If methane is present along the laser path, the laser light is partially absorbed. An algorithm calculates the gas concentration in ppm×m (parts per million multiplied by meter). The value is instantly transferred to the remote control (RC) of the drone pilot and to UgCS software.


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