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Comparison Minelab Equinox 800 vs Minelab Safari

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Minelab Equinox 800
Minelab Safari
Minelab Equinox 800Minelab Safari
from £1,029.00 
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Main
Determination of the target depth, USB connector.
The operating principle is FBS.
Typemetal detectormetal detector
Suitable for
underwater /immersion up to 3 m/
ground
Coil/frame
Type
DD
DD
Shape
elliptical
 
 
butterfly
Waterproof
Dimensions (WxD)27.9x27.9 cm27.9x27.9 cm
Number of coils11
Specs
Detection frequency5, 10, 15, 20, 40 kHz1.5 – 100 kHz
Max. detection depth120 cm
Coin detection depth35 cm
Discriminator
Ground balancemanual / automaticautomatic
Features
Number of modes44
Search modespark, field, beach, goldcoins, jewelry, relics, all metals
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 /color/
display backlight
USB port
armrest
built-in speaker
headphone output
headphones /wireless/
LCD display
 
 
armrest
built-in speaker
headphone output
 
General
Power sourceproprietary batteryproprietary battery / AA x8
Max. operating hours12 h
Additionally includedcharger, USB cable
Shaft length105 – 137 cm
Weight1.65 kg
Added to E-Catalogoctober 2017september 2014

Suitable for

- Ground. Metal detectors designed to find metal objects buried in the ground - from coins and other historical artifacts to pipelines and caches. They can have different characteristics and scope of application - from the simplest models, suitable only for collecting scrap metal, to powerful professional devices capable of searching even at a depth of a couple of meters. The coil can be protected from moisture (see below), but ground metal detectors are not designed for complete immersion in water.

- Underwater. Metal detectors, designed, as the name suggests, to search for objects under water - primarily at the bottom of reservoirs. Their main features are due to optimization for the environment: a sealed waterproof case (in most cases, with the ability to submerge the entire body to a depth of several meters), the ability to work with wet salty soils, and a weight distribution designed for ease of use under water. Also, such models are usually equipped with waterproof headphones. Note that buying such a device for land use is hardly justified: holding an underwater metal detector in the air is not as convenient as a regular ground detector, and the expensive moisture protection of the case loses all its meaning.

- Inspector. Devices designed to conduct searches and search for metal objects on the human body, under clothing. They are used by law enfo...rcement agencies, security services at airports, train stations, security agencies, etc. Note that in this case we are not talking about stationary “frames”, but only about hand-held detectors. Almost all of them belong to pinpointers (see “Type”) and have a fairly compact size. Thanks to this, the device can be used as a portable device for express inspections, constantly carried with you along with other equipment. However, such a detector can also be useful at a stationary checkpoint, in addition to the frame - it helps to determine exactly where on the body the object that “disturbed” the frame is located.

For mine clearance. Highly specialized metal detectors for detecting mines or other explosive objects left by the echo of wars and hostilities. Such devices do not need to separate finds by type of metal. Their main purpose is to search for large projectiles, but there are other types of devices for solving specific problems (for example, detecting plastid with a fuse). Small pieces of hardware are usually ignored by such metal detectors. Mine clearance detectors are rarely found in common use, and they are incredibly expensive. Devices for this purpose are heavy and inconvenient, but durable and resistant to weather conditions. They are aimed at professional use by the military and rescue workers.

Shape

The shape of the coil (frame) of the metal detector.

Round. The traditional form used in almost all types of ground and underwater metal detectors (see "Type"); the only exceptions are models that work according to the RF method (see "Operating principle"). When using concentric coils (see "Coil Type"), this option allows you to create a conical field, which is convenient for pinpointing the location of the find, but reduces the covered area and makes it difficult to search over a large area; models with DD coils do not have this drawback.

Elliptical. The shape in the form of a longitudinally elongated ellipse allows you to somewhat "stretch" the field created by the metal detector in length. This is especially true for coils of the concentric type — however, such an expansion somewhat reduces the positioning accuracy of individual finds. But in coils of the DD type, where the accuracy is by definition low, the choice between round and elliptical shape is most often not fundamental.

Rectangular. A specific form used in RF or PI instruments. For technical reasons, it is considered optimal for such devices, but it is practically not found in other types of metal detectors.

Butterfly. Another option used in DD coils along with the ellipse (see above). In fact, it consists of two elliptical windings..., partially combined and resembling butterfly wings in shape — hence the name. This option is typical mainly for large-sized DD coils; with a large width, it is considered more optimal than an ellipse.

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).

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.

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.

More features

LCD display. The presence of its own display in the design of metal detectors. This feature makes working with the device more convenient and visual: through the display, you can display more different information than with the help of an audible alarm or indicator lights, and it is easier to perceive. On the other hand, such devices are more expensive than similar models without a screen.

— Arrow indicator. The presence in the design of the metal detector of an analogue dial indicator to display data on the search process. Such an implementation is much more modest and cheaper than the same LCD display, but an order of magnitude more convenient than without visual notification at all.

Display backlight. The presence of a backlight allows you to use the display of the metal detector in low light conditions — up to complete darkness. Note that this function can be useful not only at dusk, but also in the daytime — for example, when searching in a dense forest in cloudy weather. See above for details on the display.

Built-in speaker. The presence in the design of the metal detector of its own speaker. Such a speaker allows you to use the device without headphones, which are not always convenient, and sometimes unsafe (for example, when working in places where traffic can move).

GPS module. The pre...sence of a GPS satellite navigation module in the design of the metal detector. This module allows you to determine the current geographic coordinates of the device, and the options for using this data can be different: recording search routes, fixing the places of individual finds, and even full-fledged navigation with laying routes from point to point.

Armrest. The presence in the design of the metal detector of an additional support in the area of the operator's elbow. This support reduces the load on the hand, and also makes the hold more stable and at the same time controllable, allowing you to comfortably hold the device in one hand.

Headphone output. The presence of a headphone output in the design of the metal detector. This can be either a standard connector that allows you to connect any compatible "ears" (for example, a 3.5 mm mini-jack output, popular in portable audio equipment), or an original proprietary interface that allows you to use only specialized "native" accessories. Anyway, headphones are often more convenient than a speaker, as they allow you to hear the signals from the device well even in a rather noisy environment.

Headphones. The presence of headphones in the scope of delivery of the metal detector. Usually, such headphones have high quality and accuracy of sound transmission, so that the user can be guaranteed to hear all the signals and tone shades of the signals. "Ears" can be wired and wireless, and in underwater models (see "Type"), they are, respectively, made waterproof. This function is convenient because you do not have to search and purchase the best headphones for the metal detector on your own.

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.
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