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? ? Most of you probably wondered how to look ? detector can probe the
measure.
Of course
is not a problem you reply to that question, it
If it comes to PI detectors or BFO. In this type of equipment, the probe is simply the Inductor
appropriate number of turns. But since each dej regular ?? y ? s ? exception topics. So those ?in this case.
Some of the generators in the BFO detectors work ? Meissnerra configuration, which requires equipment ?enia
inductive two and sometimes 3 coils. These coils are wound ? usually at a joint district, and
? a few cases are distributed differently (as mia ? a place in one of the older
Garrett's detectors). We will not at this point to solve rozwodzili ? solution is
better, because BFO detectors are already a Past
? ?ny and serious seeker should not traktowa? such as detectors based tools, but rather as a relic of the past years and
? a natural attraction.
What
With regard to the detectors of the two probes PI, the matter is relatively simple. The idea is that pulses stimulant ? ce,
then appropriate to boost pr ? ? Journal, no branch uses ? ? a ? Go directly to the uk ? ady entry
dan detector. U makes it easy to design an amplifier ? entry processing, which does not fall then so strong saturation.
Ments of two solutions ? s ? coil but not often used. Usually s ? configurations "spatial" (ie, coil
broadcasting and reception coil are located not in one ? p ? ? aszczy not) or the transmitter coil is
? desirable form of timetables and ground inductive loops (eg detector Superscan). This loop
is the most
? frequently ordinary power cable.
However, we scroll to the design type of detector probes transmitter receiver. Ka ?da such a detector probe should
? NIAAA meet for one key ? o ?enie:
lack of equipment ?enia transmitter coil and the coil ? ? inbox. After ?? a target you can uzyska? on several
roads. One of the most famous is perpendicular in ? o ?enie two coils - the transmitter probe
(a tak ?e mo ?e sk ? ada? several coils - as for example in the detector TM 800) and receiving probe.
Configuration is known as the English name ? ? two-box (dwuskrzynkowa), which is rather
historical roots, the ?first structures of these detectors 30s mia ? y posta?
in ? and
no two boxes are placed at right angles (t ? tradition continues detector Fisher
Gemini III). In Poland, two-box detectors are known as ? transceiver. This is a set ? lenie
imprecisely, when ?a de facto majority
? co detectors, such as contemporary XLT, CXV,
Minelab Sovereign detectors are ? transceiver. Well in a ?
no, these detectors must probe ?
spe ? O ?NIAAA listed above criterion of a lack of equipment uk ?enia ? Adem between broadcasting and reception.
As is well known probe of the detector is ? closed, Lap ? g ? e pude ? ko which must be
mie
ci? coil transmission or reception.
Let's start with Minelab detectors. Probes of these detectors
(but not only these!) ? the so-called work. DD configuration. A glance at the figure explains
nor why.
Insert "doubled.gif"
Balance uk ? adu broadcasting and receiving has been a
saved by getting the eniu ? o ?one probe on the drug ?, so that voltage
induced in the "Part
those of a "two coils have the same value ?
? but opposite in sign to the voltage
in the second Part
these probes.
The result is a mutual compensation of these two napi?? and lack of signal
to exit
ciu receiving coil. Setting t ? ? opisuj?jako not the first accident, when ?is
is one of the oldest configurations - ? j were used already in 20 of these, and yet this is
readily applicable to the present day. Its almost certainly questionable ? ? ? advantages ?is large and active area,
ie, the sweeping probe "sees" the environment and your entirety ?
? diameters. Emphasize
la so it ?s better in ? ownership
those in areas with du ?ej content
minera ? you that, from this they are often forced to apply ?
j ? are the detectors to search samorodk?w z ? ota configuration elliptical (sp ? aszczone DD).
The disadvantages of this solution ? solutions zaliczy?
that you can lower the ownership ?
those in the dock ? NO CIRCUMSTANCES successful targeting of small objects (more difficult to define the du li? ? ?? ? dock adno
ci ? ?y le where the detected object).
From a historical point of view should be ?YW Here zaprezentowa? coil type 4B (which they would welcome the
sensible explained
pressure sk ? d that name).
It seems that while she has been the first time
used by White'sa. Its almost certainly questionable ? ? ? advantages
a's easy
? in the precision of successful targeting detected objects. Defects and the du ? ?? is the complex
construction.
Insert "fourbee.gif"
You have to realize zdawa? dear reader, ?e
parameters of the detector depends on ?? ? ? and not du ?ej largely not from electronics, but in a ?
not from the probe.
If
If it is done very thoroughly, then even the best electronics for nothing passes.
W ? a
this is not g ? ?wny problem with the 4B probe. How wida? to uzyska? compensation coil transmitter
has been a peculiarly curved, and over than ? (another p ? ? aszczy not) on ? o ?is the coil reception.
Tuning the probe is at a cross in ? o ?eniu these two coils, the induced
voltage in the probe to the receiving ? o mo ?e ? Liwie have (the idea that I ? ? o to 0.0000 V). Ka ?dy here at a fraction
millimeter counts. Similar problems arise with the rest of ? ? in the DD-type probes. Of course
you used are ? special bobbins and entirety
? ?ywicami is flooded chemoutwardzalnymi. 4B probe in
Currently, you can practically only in structures spotka? Polish craft
lnik?w basing ? ? cych to solve the counts ? the seventies. So attention Ladies and Gentlemen, below
? present another construction of the
Charge (to whom, however, did not hesitate!).
Here are concentric probe. Transmitter coil (on the perimeter of the probe)
and the reception coil are located in one of ? p ? ? aszczy not ? is placed in a special fabric,
so there is no question of moving coils to each other.
Condition of non-zero voltage on the exit
ciu coil provides a coil receiving compensatory, which is the ? ? ited to transmission coil,
but a wound in the opposite direction. Precise zeroing of the probe carried out by
appropriate in ? o ?enie visible in the drawing loop compensation. This information is good let ?
elektronikowi to build such a probe in the field they own ?
If of course you will feel so ? ? needs.
A few comments about the mechanical design. As
all know, housing probes are ? made of plastic (most
it is often endure ? y
ABS). This is certainly understandable when ?? e by? probe has made of materials with dual ? is not conductive, lightweight and
durability of the ego. This MUST by? waterproof. If
you who
Offers you a probe that is not waterproof,
let it be lost. This May, however, plastic screw ? ? in a
properties
? ?? e are electrifies. By pozby?
to wp ? ? landings electrostatic flow can come together cych ? ? cych on the housing of the probe as
? cych are located on the surface of the land and equipment zminimalizowa? ?enia capacity
dan, probe
most
are often met from the internal ? ? inside or graphite are made of plastic containing ? ? dual graphite
(such as the probe's Blue Max 950 White's). Winding coils are ? uk presented in the special
karkasach and flooded. Interestingly, s ? are the most
often glued to the top of
those housing probe
as Part
partially protects it from vibration transmissibility when touching or striking of the probe
earth.
At that, in principle, you can submit to zako?czy?
various structures ?tion probes. In his sleeve, we have a new ? probe detector Garrett GTI 2000 (coil
Concentric ? o ?u are one of the drug ?), the latest poll White'sa (a ? c ? ? ? the combination of probes
concentric and DD), whether these solutions ?? military solutions to the detectors (supersztywna coil Foerster
performed on multi-p ? ytce printed or PSS U.S. 11, four coils
receiver), but the ordinary mortal ? ? y in Poland will not be confronted znimi so fast it
if at all.
Still remains a reply to a question from a probe
is the best. Remain on the battlefield ? virtually DD and coaxial probe. In principle, the
?Szych the above information, the reader should reply himself. What seems to
?most important, however, is the mechanical structure of the probe itself. When buying detector zwr??cie
attention as it is made, or is likely to by? waterproof (all probes from reputable companies
Western s ? waterproof does not mean ?s good to give ? immersion - for example some
May these spores ? wyporno
? ? is pushed out of the water), what is it you ar ?or, finally, as
? cable
(the most common cause of damage).
Dear
reader, it
If you are dissatisfied after reading the above information ?Szych, hot ? which encourages
transmission ? ania comments. Be sure to ? ? ci ? included. But please do not pyta?
the details of the construction when we ?? ? intention is not to create a guide on how to own ?
to do the probe such (or as zosta? manufacturer), but provide information about
equipment, which come
u ?uses, or wishes to u ?ywa?.
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