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Comparison Minelab Go-Find 22 vs Minelab Go-Find 20

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Minelab Go-Find 22
Minelab Go-Find 20
Minelab Go-Find 22Minelab Go-Find 20
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Typemetal detectormetal detector
Suitable forgroundground
Principle of operationVFLEXVFLEX
Coil/frame
Type
concentric
concentric
Shape
rectangular
rectangular
Waterproof
Number of coils11
Specs
Number of detection frequencies11
Detection frequency7.8 kHz7.8 kHz
Discriminator
Discrimination segments44
Features
Functions
sensitivity adjustment
tone identification
volume control
low charge indicator
sensitivity adjustment
tone identification
volume control
low charge indicator
More features
LCD display
armrest
built-in speaker
headphone output
LCD display
armrest
built-in speaker
headphone output
General
Power source4xAAproprietary battery / AA x4
Shaft length55.5 – 130.5 cm55.5 – 130.5 cm
Weight1 kg1 kg
Added to E-Catalogjuly 2018may 2015

Power source

AA. Replaceable elements, known colloquially as "finger" type. They can be both in the form of disposable batteries and in the form of rechargeable batteries. They are produced by many manufacturers, and different brands differ in price and quality, which gives many opportunities to choose the optimal option. And AA batteries are sold almost everywhere. On the other hand, they are usually required in large quantities — about 8, because metal detectors consume quite a lot of energy; and the elements themselves are most often not included in the set.

PP3. Replaceable batteries of standard size, in a characteristic rectangular case with a pair of contacts at the end, nominal voltage of 9 V. They are more powerful than the popular AA elements, but they are noticeably less common. They can also be produced in the form of rechargeable batteries.

Proprietary battery. Tools powered by its own battery (often built-in), which does not correspond to the standard sizes of replaceable elements. Such batteries can have a high capacity and power and are often more convenient than replaceable elements. In addition, they are usually supplied with the device, which eliminates the need to look for power supply yourself. The main disadvantage of this option is the impossibility of quick replacement in case of exhaustion of the charge — the battery will have to be cha...rged, and this requires not only a power source, but also time. Theoretically, if the battery is removable, you can keep a spare charged battery ready, but in practice, spare elements are expensive, and it may be difficult to find them. For a number of technical reasons, such type of rower supply is rare, it can be found mainly in high-end models.

18650. The name of these batteries comes from their dimensions: 18.6 x 65.2 mm, cylindrical in shape, they look like slightly enlarged AA, but have an operating voltage of about 3.7 V and a higher capacity. In addition, all elements of the 18650 type by definition are not disposable, but rechargeable batteries (lithium-ion type).

— C. Replaceable elements of standard size, cylindrical shape, with a nominal voltage of 1.5 V. In length, they practically do not differ from the AA described above, but they are much thicker, due to that they have a higher capacity. At the same time, this type of power supply is quite rare; this can be said about the batteries themselves as well.
Minelab Go-Find 22 often compared
Minelab Go-Find 20 often compared