Metallsuchgerät Metalldetektor Metallsucher Schatzsucher Detektor metal detector detecteur de metaux, detectores de metales security .
NEXUS METAL DETECTOR
CORONADO
THE MOST SPECIAL DETECTOR WITH ADVANCED POWER BETTER OF THE BEST ! Take a look to the pictures and informations about our metal detector science.
only 549 gpb official warranty
There is a very good chance that the Nexus Coronado could be the lightest (or one of the lightest) treasure hunting metal detector in the world. The weight of Coronado including the 10 AA battery pack and the standard size dual 6" search coil is only 1.3 kg and it is also very well balanced design. It is feature proof as well. Nexus Coronado offers all of the most important for the modern metal detecting, features. The most important of all features included in the Nexus Coronado is the superior depth penetration and discrimination capabilities to all other competitive metal detectors. Regardless the fact that Nexus Coronado is 20% less sensitive than Nexus Standard SE it is still designed to cover the MINIMUM REQUIREMENTS FOR DEPTH PENETRATION AND DISCRIMINATION ACCURACY
laid down by the first Nexus metal detectors. Nexus Coronado is
incredibly stable and easy to use metal detector. Also very comfortable for
transport due to the new telescopic Fibreglass stem
with similar construction as a fishing rod. No locking colors, no screws or nuts,
but only tubes as you can see on the picture bellow. The bottom part of the stem
is available in any custom size. The stem length of Coronado is not adjustable,
but any customer can have their own stem with a custom cut
length. Nexus Coronado is supplied with the dual 6" Coronado Silver
search coil (over all size 10" x 6") as a standard type, but by customers preference Nexus Coronado can be supplied with any one of the following accessory search coils; Coronado Gold dual 6" search coil tunned at 18 kHz +/- 0.5, Coronado Silver dual search coil tunned at 8.5 kHz +/- 0.5, Coronado Hoard dual 6" search coil tunned at 5.1 kHz +/- 0.5, Nexus Gold dual 4" search coil tunned at 7.3 kHz +/- 0.5. Nexus Coronado is a metal detector with fast recovery speed very suitable for detecting of small size single targets. Nexus Coronado is build to customers order due to the fully tunned in electro-magnetic resonance search coils. Nexus Coronado can also be used as BEACH DETECTOR. For more information please refer to the user manual to the section describing the Discrimination adjustments
all of the mentioned above is
related to comparison between different detector types? Following the
graphic image on this page I would like to begin this explanation with the so
called Multi Frequency Technology (MFT) type of detectors. On the very first
place it is important to mention that amongst all detectors based on IB
principal, the MFT has the lowest
efficiency, concerning depth penetration capabilities and discrimination
accuracy. The reasons: Setting a search head to work on various frequencies will
define low Q at all of the frequency setting. That will result in
average to poor depth penetration and unreliable discrimination.
Simultaneous frequency transmission from a TX loop is possible, but that kind of
transmission will make the work of any IB detector impossible. Also simultaneous
frequency transmission will most certainly result in a very low Q for the whole
system. MFT can not offer any real practical advantage to the IB type of
metal detectors as far as depth penetration and discrimination accuracy is
concernd. Another popular type of IB metal detectors are those with dual
frequency settings. All of the mentioned above conditions apply to this type of
detectors as well as to the MFT. The difference in this case is that having the
search head system to work only on two frequency setting (one at a time) will
provide an opportunity to have maximum Q on at least one of the two frequency
setting. That will give a good chance for better depth penetration and
discrimination accuracy. The most common type of IB detectors are the single
frequency metal detectors. Metal detector set to work at only one frequency,
have the best chances to achieve good depth penetration and
discrimination accuracy. The next popular type of metal detectors, capable to
compete for better depth, are the PI metal detectors. Relative to the
transmitted in the ground energy, the PI detectors are with lower efficiency
than the IB. However the fact that average PI metal detector can detect targets
deeper under ground than average IB detector, is due to the very high level
of the transmitted signals (few hundred volts pulses). With that allowance in
their basic principal the PI metal detectors can win almost any competition for
depth. However the greatest disadvantage for the PI detectors is the lack of
reliable discrimination. Regardless of all claims on the PI market, the PI
principal can not allow good discrimination to be achieved.
The best metal detectors regarding depth penetration and discrimination accuracy
are the IB detectors tuned in total or as close as possible to total
electro-magnetic resonance. The reasons: It is not possible for any kind of loop
to achieve higher Q than the Q as a result of electro-magnetic resonance.
In comparison to a standard, not tuned in resonance search head system, one
tuned in total resonance can exhibit up to 100 times higher sensitivity to any
desired target. That fact alone lead to use of lower electronic amplification,
lower electronic instability and much better resistance to thermal changes for
the electronic circuit. A RX loop tuned in total resonance will act also as 10
th order band pass filter against any external interference, which will
almost eliminate the need of any interference prevention filters.
In comparison to off resonance RX loop, one tuned in total resonance is much
more sensitive to phase and amplitude changes, which fact can guarantee best
depth penetration and discrimination accuracy as can be achieved with any metal
detector
CLICH HERE FOR LOOK THE TEST WITH COMPARISION OF OTHER METAL DETECTORS
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