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Geometrics MagArrow Mk2 magnetometer

Geometrics MagArrow Mk2 magnetometer

SKU IS-GEOM-MAGARROW
by Geometrics
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The MagArrow II is the second generation of Geometrics best-selling magnetometer. MagArrow is fully self-contained sensor (with build-in GPS receiver, data recorder and battery), and may be used with any suitable UAV suitable to carry 1kg.

To minimize noises from drone's motors and electronics, it is recommended to use 3m long suspension ropes to mount MagArrow under the drone. For such configuration it is recommended to use larger drones as Inspired Flight IF1200A or similar, with smaller drones (DJI M350/M300 RTK, etc.) we recommend to use extension poles for the drone's legs.

Alternative way is to mount MagArrow right on the legs of drone and use low-pass filter during data post-processing to remove drone's noises. That approach works pretty well for the surveys like UXO search, but for work that requires to register weak or long anomalies (archaeology, geology, etc.) it is better to use suspension ropes.

Recommended applications:

  • Environmental (abandoned wells, pipes, and storage tanks)
  • Geology - survey for variations in the magnetic field
  • Archaeology - detect weak anomalies from archaeological features and artefacts
  • Searching for UXO (UneXploded Ordnance)

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).

Features

  • Lightweight: Weighs only 1 kg, allowing a flight time 20% longer than a 2.5 kg-payload UAV.
  • UAS Agnostic: Attachable to most enterprise UASs
  • Self-Contained: GPS, storage, and WiFi on board. No data connections to UAV needed.
  • Super-Fast Sampling Rate: Fly faster, up to 10 m/s with samples every 1 cm. Filter out UAV motor noise.
  • QC in the Field: View and QC data in the field using any device with a web browser app interface.
  • Low Power: A single 1800 mAh lithium polymer battery will power the system for 2 hours, outlasting multiple UAV flights. Batteries are hot-swappable.

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.

Additional information

HS Code: 90158020 (meteorological, hydrological, geophysical instrument)

Packaging information: 122 x 48 x 20 cm, 11kg in transport box

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