


SPH Engineering SENSYS MagDrone R4 Magnetometer
SPH Engineering SENSYS MagDrone R4 Magnetometer
The MagDrone R4 is an ultra light weight magnetometer with 5 triaxial Fluxgates to be attached to any UAV capable to carry 2 kg of payload.
In opposite to the MagDrone R3, the MagDrone R4 is used for high resolution mapping in order to detect small and compact objects as well as structures in the ground, such as UXO or archaeological features.
Recommended applications:
- Searching for UXO (unexploded ordnance)
- Archaeology
- Surveying for any metal objects weighing a few hundred grams or heavier lying underground
Note, that general rule with magnetometer when it is necessary to detect artificial objects or artefacts - fly as low as possible. Recommended altitude for the tasks like UXO search - 1m above surface or even lower. That means that drone should be equipped with terrain following system (included in recommended magnetometer bundle).
Recommended drone to carry MagDrone R4: DJI M350/M300 RTK
What's included
- MagDrone R4 magnetometer with 5x triaxial fluxgate magnetic sensors, sensor bar and data recorder
- MagDrone Data Tool software
- Power supply cable MagDrone R4 (XT30 plug for SkyHub)
- USB cable to connect MagDrone R4 to Windows computer
- Cable to connect MagDrone R4 to GPS-out interface of SkyHub
- Mountings for DJI M350/M300 RTK drone
- Manual
- Transport hard case
More Information
UXO/landmines detection note
The system is capable to detect a range of items starting from hand grenades (the estimated sensor-target distance for detecting an object such as the F1 hand grenade is 0.5 m) till big UXO like aerial bombs at the distance of few meters.
While magnetometers can detect some types of landmines (for example M15, M6, TM-62M anti-tank mines; M16, PROM-1, OZM-3, OZM-4, OZM-72 anti-personnel mines and similar types with considerable amounts of ferrous metal), landmines search is not a direct application of magnetometers as they can’t detect most types of modern landmines. That means that the system never should be used to confirm absence of landmines (and small ordnance) in certain area but it can be valuable asset during Non-Technical Survey (NTS) or Technical Survey (TS) to confirm presence of UXO/landmines with considerable amount of ferrous metals.
Data examples
Additional information
- MagDrone R4 datasheet
- HS Code: 90158020 (meteorological, hydrological, geophysical instrument)
- Packaging information: 112 x 29 x 11 cm, 12kg in transport box
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Delivery Details
Free UK Delivery is available on all orders over £100.
Orders under £100 have a fixed delivery price of £8.
Delivery takes around 4-5 weeks to most UK addresses, except for in stock items, as below.
In-Stock Items Only - Delivery will be made in 2-3 working days with Next Day Delivery available to UK Mainland Delivery for £30 per order, Order By 12pm, Mon to Fri.
Conditions - Some locations outside mainland UK may incur additional charges, which are representative of the extra cost that we get charged by the courier. Delivery is available to Europe and some Worldwide locations. Contact us directly on sales@alphageouk.com if you need any help or have questions, before you order.
If you have any questions, please ask them using our live chat for immediate answers or you are always welcome to use our Contact Us form. We'll get back to you as soon as possible.
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FAQs
Please read our FAQs page to find out more.
What does each product package include?
Each listing clearly states what’s included in the box (e.g. main unit, batteries, charger, cables, software license, spare parts, accessories). If you’re unsure, check the “Package Comparison” section of the product page or contact us for confirmation before purchase.
How long does delivery take, and when will my order ship?
- UK deliveries: 2–5 business days under normal stock conditions.
- Pre-order / backorder items: Typically around 4 weeks (or as otherwise specified).
- Orders placed before 2 pm (weekdays) are dispatched the same day when in stock.
- Free UK delivery is available for orders over £100.
What warranty and support do you offer?
- Every product comes with a 12-month warranty covering manufacturing defects under normal use.
- During the warranty, we provide repairs or replacement of faulty parts, as well as technical support.
- After the warranty period, we continue to offer repair, servicing, and parts support.
- Our UK repair centre handles original parts and full testing.
Can I get a demonstration, training or customized solution?
Yes - we offer product demonstrations (in person or virtually), webinars, and one-on-one training to help you get up to speed. We also custom-configure or adapt solutions (e.g. integrating sensors, payloads, alternate configurations) to suit your specific project needs.

