SENSYS MagDrone R3 magnetometer
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The SENSYS MagDrone R3 is an ultra-portable UAV magnetometer survey kit that attaches to any drone with a 1+ kg payload: a carbon fibre sensor tube with two built-in 3-axis fluxgates, a 1-button data logger, rechargeable batteries and integrated GPS. HobiTech supplies it in India as an Official Partner of SPH Engineering.
General Technical Data
| Power supply | 11.1 V; 1,950 mAh Li-Ion accumulator |
| Operating temperature | -20°C to +50°C |
| Weight / with Li-Ion battery | 690 g / 820 g |
| Overall power consumption | 500 mA |
| Sensor tube dimensions | 1,070 × 22 mm |
FGM3D/75 Fluxgate
| Number and orientation of sensors | 2 pieces, laid horizontal, parallel |
| Specified measurement range | ±75,000 nT (other ranges on request) |
| Number of sensor axes | 3 |
| Distance between sensor centre points | 1,000 mm |
| Noise level @1Hz [pT/ (Hz)] | 10 pT < sensor M1 = 50 pT (due to closer proximity to active components on the electronics board) · 10 pT < sensor M2 = 30 pT |
Datalogger
| Power | 50 mA |
| Sensor input | Internal wired |
| User interface | On/Off + Start/Stop button; status LED |
| Survey mode | Recording when start/stop pressed |
| Sampling rate | 250 Hz (higher rates on request) |
| Live data output | 2 Hz (via Bluetooth) |
| Internal memory | 8 GB |
| Datalogger dimensions (W × D × H) | 230 × 128 × 43/73 mm |
Data Processing
| Raw data filtering, track & flight direction detection, noise compensation, MagBase referencing, export, preview | MagDrone DataTool (included) |
| Data interpretation, visualisation, object calculation, etc. | MAGNETO® Software |
| Live output | Via Bluetooth |
Installation and GPS
| Installation | On UAV landing gear with 2–4 cable ties |
| Battery life | 5h+ operation |
| GPS | Own (internal) GPS; optional external GPS input is the only wire |
| GPS position on the sensor tube | 560 mm from sensor M1, 440 mm from sensor M2 |
What's in the kit
- 2× FGM3D/75 at 1 m distance
- CFRP sensor tube
- Data logger with internal storage
- Internal GPS and rechargeable battery
- External GPS input
- Spare battery and wall charger
- USB cable
- Mounting plate and screws
- USB memory clip with MagDrone DataTool
- Manual / Certificate
- 2× Accessories bags
- Transport hard case
Documentation & data sets
What is the MagDrone R3 used for?
The MagDrone R3 is a UAV / drone magnetometer survey kit. SENSYS says it can be used for general-purpose surveys, science-related magnetic cartographies, mine exploration and sensitive applications such as UXO detection or surveillance. Listed applications:
- Survey and surveillance
- Mine exploration, tracking and monitoring at flexible heights
- UXO detection on unreachable, flooded or mined areas
Key features
- Autarkic system with GPS, accelerometer and power supply
- Attachable to any UAV with a 1+ kg payload
- 8 GB internal memory
- 250 Hz recording rate
- 2 Hz live data output
- USB interface
- Data processing tool (MagDrone DataTool)
What are the main benefits of the R3?
- Universal usage: UXO search, exploration and surveillance.
- Low payload: the R3 gets on board any professional UAV easily.
- 1-piece design: no hassle with cabling. The R3 is an autarkic system that needs no interfaces.
- Simple installation: strap it to your UAV landing gear with cable ties.
- 1-button operation: the R3 has only one button, to make operation as simple as possible.
- Noise cancellation: due to a high sampling rate, UAV motor noise is accepted, detected and can be filtered out during raw data export.
- Powerful DataTool: the free MagDrone DataTool lets you delete tracks, compensate, filter and export in various formats.
What do you need to run the MagDrone R3?
- Drone: any UAV with a 1+ kg payload. The R3 is made and optimised for small and mid-size survey UAVs that are shaped for less payload and longer flight times.
- Mounting: it fits on the UAV landing gear with 2–4 cable ties. The kit includes a mounting plate and screws.
- Power and GPS: the R3 has its own rechargeable battery (5h+ operation) and its own GPS, so it needs no interfaces. The only wire is the optional external GPS input.
- Camera: constant motor noise is filtered out, but do not use a camera gimbal with the R3.
- Software: the MagDrone DataTool is included. SENSYS MAGNETO® software is available as an option for data interpretation, visualisation and object calculation.
How is MagDrone R3 data processed?
The MagDrone DataTool helps to identify flown tracks, and to cut, filter and compensate the raw data. It generates a preview and exports into various formats, so you can process the values further in MAGNETO® software, GIS tools or Matlab.
Where has the MagDrone R3 been used?
- UXO search in Italy: fixed to a DJI Matrice 300 RTK, the R3 surveyed a large corn field for explosive ordnance. 14 hours of survey generated 20 hectares of data.
- Volcanological field studies: Lancaster University and the University of South Florida used the R3 to map the magnetic footprint of the Little Cones volcano, Amargosa Valley, Nevada, USA.
- Coal mine research: Rada Engineering in Australia flew 1,000 line kilometres with the R3.
Compare all drone magnetometers.
Why buy the MagDrone R3 from HobiTech?
HobiTech is an Official Partner of SPH Engineering based in Bengaluru, India. Every order comes with a GST invoice, and our local team supports the sensor, the drone and the software. SPH's magnetometer training courses are also available through HobiTech.
Frequently Asked Questions
What can the MagDrone R3 detect?
Everything ferrous (iron). It does not detect metals such as aluminium or gold, as they are only conductive.
How deep can the MagDrone R3 sense?
It depends on the object. The R3 sees a harvester machine from 40 m distance, but a hand grenade from only a few centimetres.
What is the ideal flight height?
For compact objects, as close as possible: 50 cm above ground. For soil structures it can be dozens of metres.
Does the MagDrone R3 work over water?
Yes. Water does not affect sensor operation or damp the magnetic field strength to be detected.
Does the MagDrone R3 stream live data?
Yes. Live data output is 2 Hz via Bluetooth, while the datalogger records at 250 Hz to its 8 GB internal memory.
How do I buy the MagDrone R3 in India?
Use Request a quote on this page, or call HobiTech on +91 70225 26509. We confirm the price and configuration, and every order comes with a GST invoice.