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Comparison Fortuna M vs Fortuna M3

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Fortuna M
Fortuna M3
Fortuna MFortuna M3
from $87.46
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from $93.71
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Main
Target Depth Determination
Target Depth Determination
Typemetal detectormetal detector
Suitable forgroundground
Principle of operationVLFVLF
Coil/frame
Type
DD
DD
Shape
butterfly
butterfly
Frequency7 kHz
Waterproof
Dimensions (WxD)30x32 cm30x32 cm
Number of coils11
Specs
Detection frequency5 – 20 kHz
Max. detection depth200 cm200 cm
Coin detection depth33 cm37 cm
Discriminator
Discrimination segments16
Ground balancemanual / automaticmanual / automatic
Features
Functions
Pin-Point mode
sensitivity adjustment
threshold tone
anti-interference
tone identification
VDI identification / Target ID
target depth determination
volume control
low charge indicator
Pin-Point mode
sensitivity adjustment
threshold tone
anti-interference
tone identification
VDI identification / Target ID
target depth determination
volume control
low charge indicator
More features
LCD display
display backlight
armrest
built-in speaker
headphone output
LCD display
display backlight
armrest
built-in speaker
headphone output
General
Power source
proprietary battery /3.7 V, Li-Ion, 2.6 Ah/
proprietary battery /3.7 V, Li-Ion, 2.6 Ah/
Additionally includedbatterybattery
Added to E-Catalogmarch 2017january 2017

Frequency

The characteristics of the installed coil determine the operating frequency of the metal detector. See "Detection frequency" for more details.

Detection frequency

The operating frequency (or frequency range) of the metal detector. This is one of the most important parameters when choosing a device, because the optimal frequency for different cases will be different — depending on the size and material of the items being searched, the characteristics of the soil and other factors. Detailed recommendations on the choice of frequency for each specific situation can be found in special sources; And already on the basis of this information, it is worth choosing a specific model.

Note that the actual frequency at which the metal detector will operate also depends on the installed coil — they are usually made for a specific frequency. Therefore, to use the full capabilities of the device with the ability to adjust this parameter, you may need replaceable coils.

Coin detection depth

The deepest depth at which a metal detector is capable of detecting small coins and other objects of similar size. Many users buy a device with the intention of “hunting” for metal trifles, so manufacturers often indicate this parameter separately in the specifications. Due to the small size of the coins, their detection depth is usually much less than the total maximum detection depth (see above).

Discrimination segments

The number of individual discrimination programs provided in the design of the metal detector. In this case, discrimination means filtering the detected objects using a discriminator (see above) so that the device does not work on unwanted objects such as pieces of foil, bottle caps, etc. You can also configure such a filter completely manually, but this may require special knowledge and create difficulties for inexperienced users. To avoid this, some models may have preset programs instead of manual settings. Thanks to such programs, the user just needs to select from the list what type of objects the metal detector should react to, and all the necessary settings will be set by the device's electronics.
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