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Comparison Garrett ACE 300i vs Bounty Hunter Land Ranger Pro

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Garrett ACE 300i
Bounty Hunter Land Ranger Pro
Garrett ACE 300iBounty Hunter Land Ranger Pro
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Main
Target Depth Determination
Target Depth Determination
Typemetal detectormetal detector
Suitable forgroundground
Principle of operationVLFVLF
Coil/frame
Type
concentric
 
 
DD
Shape
elliptical
elliptical
Waterproof
Dimensions (WxD)17.8x25.4 cm
Number of coils11
Specs
Number of detection frequencies11
Detection frequency8 kHz6.9 kHz
Max. detection depth80 cm90 cm
Coin detection depth25 cm35 cm
Discriminator
Discrimination segments1243
Ground balancemanual / automatic
Features
Number of modes57
Search modeszero, jewelry, custom, relics, coinscoins, jewelry, relics, 2 tones, 3 tones, 4 tones, all metals
Functions
Pin-Point mode
sensitivity adjustment
tone identification
VDI identification / Target ID
target depth determination
volume control /on headphones/
low charge indicator
Pin-Point mode
sensitivity adjustment
tone identification
VDI identification / Target ID
target depth determination
volume control
low charge indicator
More features
LCD display
armrest
built-in speaker
headphone output
headphones
LCD display
armrest
built-in speaker
headphone output
 
General
Power source4xAAPP3 x1
Max. operating hours25 h
Additionally includedbatteries, case
Shaft length102 – 135 cm120 – 140 cm
Weight1.27 kg1.3 kg
Added to E-Catalogjune 2016june 2016

Type

The design of the coil(s) of the metal detector.

— Concentric. The name of this type is due to the fact that such a coil includes two separate windings — receiving and transmitting — one of which is located inside the other. It is used in metal detectors that use the principles of VLF and VLFEX (see above). The field from a concentric coil has a small width, which determined both its advantages and disadvantages: on the one hand, due to this, it is possible to determine the location of an individual find with high accuracy, on the other hand, it takes a lot of time and effort to carefully examine vast areas. This shortcoming can be partly compensated for by the elliptical shape (see below). Also note that concentric models are quite sensitive to mineralized soils.

— Mono. The simplest type of coil, having only one winding. This option is used in PI, OR and RF devices, and in the latter case, two mono-coils must be installed. The main advantages and disadvantages of this type are similar to those described above concentric.

— D.D. Also known as Double-D. Such coils have a pair of windings in the form of the letters D, turned in different directions and arranged closely so that they form a circle or an ellipse. In terms of application, DDs are similar to the concentric coils described above, but they differ in the shape of the generated field: it is a narrow plane directed along th...e line of contact of the windings. This makes it possible to cover a fairly wide band in one pass, and also reduces the sensitivity to interference from mineralized soils. Among the shortcomings, compared with concentric ones, it is worth noting the high cost and lower accuracy in the localization of individual finds (however, the latter can be compensated by the skills and experience of the operator).

— Super-D. Coils of a specific design, consisting of three windings — a central one, which plays the role of a transmitter, and two external ones, working for reception. They were developed specifically for ZVT metal detectors (see "The principle of operation"), taking into account the features of their work.

Dimensions (WxD)

The size of the standard coil (frame) of the metal detector. Theoretically, the larger it is, the deeper the device is able to “see” and the more space it captures in one pass, but the worse it is suitable for searching for small objects and the lower the accuracy with which it localizes them. At the same time, these characteristics depend on so many other factors that in fact, the size of the coil itself affects them very little.

Note that for coils (frames) of an elliptical shape, only one size can be indicated — along the length.

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.

Max. detection depth

The greatest depth at which a metal detector is guaranteed to be able to detect a metal object. Note that this parameter is most often quite approximate, moreover, somewhat conditional. This is due to the fact that it is usually indicated for an perfect environment (low-mineralized soil, a fairly large object, the material of which optimally matches the frequency of detection of the coil, etc.), and even for such conditions it is difficult to derive an absolutely accurate value. Therefore, in fact, the detection depth is highly dependent on a number of additional factors (from soil characteristics to user skills) and can be significantly less than indicated in the characteristics. Nevertheless, the claimed depth describes the capabilities of the metal detector quite well, and it is quite possible to compare different models with each other.

Note that a large depth not only increases the cost of the device, but can also adversely affect its ability to detect small objects.

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.

Ground balance

Ground balancing method provided in the design of the metal detector. By itself, such balancing is a setting of work parameters for the characteristics of a particular soil — after all, depending on its mineralization, humidity, etc. The soil affects the search signal in different ways, and the device electronics must take this effect into account for high-quality processing of such a signal. Due to the correct balancing, the detection of the desired objects is ensured and at the same time the probability of false positives is minimized; and it can be done in the following ways:

Automatic. The most convenient type of balancing that does not require the user to manually adjust the device. Usually, tuning requires some time to move the coil up and down above the ground until the automation sets the necessary parameters. There are two types of auto tuning: preset and tracking. The first option involves balancing the metal detector for a specific type of soil before starting work, after which the device uses the same parameters until the next setting. Such a scheme is inexpensive and can be used even in fairly simple models, but it is not very reliable: even a small change in the type of soil under the coil leads to a decrease in the effective detection depth and an increase in the probability of false positives. Follow-up balancing does not have this disadvantage: devices with this function constantly monitor the characteristics of t...he soil and make the necessary corrections to the operating parameters right in the process of operation. This increases the efficiency of the search, however, the price of such devices is very high.

— Manual. As the name implies, with such balancing, the necessary parameters must be set by the user himself. This option is considered the most reliable, because. even the most advanced automatic systems do not always work perfectly; And yes, this setup is cheap. On the other hand, it requires certain skills from the operator and may not be suitable for inexperienced users.

— Manual / automatic. A variant that combines both types of balancing described above; in such models, the user can choose the way of setting as they wish.

Number of modes

The number of pre-installed programs for searching for various materials. Their number reflects the capabilities of a particular model, allowing you to start working right off the bat.

Search modes

Regular metal detector search programs include detection of coins, all metals, jewelry and relics. In some models, this list can be expanded with "Beach" programs, custom (user) detection mode, etc.
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