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Fisher Impulse AQ (formerly Aqua Manta) Pulse Induction Metal Detector


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he should not have a problem with EMI

in the month of May I tested the production version
on this beach
https://www.google.fr/maps/search/saint+jouin+bruneval+plage/@49.6648426,0.1088492,3522a,35y,124.65h,44.13t/data=!3m1!1e3

if you can do a zome
we see a refinery
a radar antenna (marine protection)
and on the hill two big antennas phone
  and other wireless stuff ...

plus the high voltage line feeding the refinery

the beach was chosen specifically for its conditions
and its black sand

the silence was perfect / even at full power
I did not have gold on this test
but a stainless steel ring (same sound as gold) at 15/20 '

Of course, there will certainly be in the world
areas where EMI  are stronger or different

but AQ is really very stable
everything has been thought about the design to limit noise

the plans of masses and the used components
are far superior to other detectors

the best proof is the 7us
if others never proposed such a low delay
it's only because of the noise
..........

 

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LE.JAG ... I would have one question .. is it possible to market AQUA-Pulse and TERRA-Pulse in the same time period ..?

Another question would be when will I start pre-orders for AQUA-Pulse and TERRA-Pulse detectors?

I admit to TERRA-pulse is a detector that is personally interested in me ...
 
 

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LE.JAG, 

I have a lot of nails on my beach.  As they corrode and become needle like they the give off both the low grunt sound and a high conductor sound. When you silence the iron on the Impulse does it silence both the low and high sound?

 

Thanks,

Tim

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13 hours ago, EL NINO77 said:

LE.JAG ... I would have one question .. is it possible to market AQUA-Pulse and TERRA-Pulse in the same time period ..?

Another question would be when will I start pre-orders for AQUA-Pulse and TERRA-Pulse detectors?

I admit to TERRA-pulse is a detector that is personally interested in me ...
 
 

the first to go out AQua

the Terra should not be long
it's the same platform, some components that change
+ the facade / the rest is of the programming ..

 

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4 hours ago, Tmox said:

LE.JAG, 

I have a lot of nails on my beach.  As they corrode and become needle like they the give off both the low grunt sound and a high conductor sound. When you silence the iron on the Impulse does it silence both the low and high sound?

 

Thanks,

Tim

in all metals the sound is mono-tone
  deep targets better mark the difference
sounds light and symmetrical = often gold

in saturation (sound too strong) the difference is more difficult
((it is necessary to raise the coil / to no longer be in saturation))

but iron, especially in length, like nails
give a double sound / very mark

the loss between / all metals and rejection
is very weak with AQ // everything depends on the sand
in white sand with normal mineralization
about 5%

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LE.JAG, will both coils be available to buy when the AQua starts shipping later this year? In my case, I do want both sizes.  I have an area that is very rocky that has produce my biggest diamond rings.  And the 8 inch coil would be best coil for this area.

 

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4 hours ago, TerryinHawaii said:

LE.JAG, will both coils be available to buy when the AQua starts shipping later this year? In my case, I do want both sizes.  I have an area that is very rocky that has produce my biggest diamond rings.  And the 8 inch coil would be best coil for this area. 

 

Hi Terry,

No, I think we'll have to wait a bit for the 8 '

but, there is a new mode that should give you a few pounds
while waiting for the 8 '
I can not say more ...
?

 

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On 6/26/2019 at 10:48 AM, Rick Kempf said:

I used an  AQ prototype last October under huge transmission lines - quiet as a mouse in all metal.

 

 

 

03950FB0-1498-46C5-9A3C-8B12B136650E.jpeg

Did you get a chance to try it in the other modes

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I tried them all at one time or another, I was finding aluminum scrap at this site - probably a result of the power line construction. I am pretty sure I was using either multitone or mute - I am not certain, I was not concentrating on the power lines, just trying it in the nice deep sand..  

The machine I had for a few days in October was a prototype and the production version is supposed to be refined in many ways. All metal is inherently quieter than any other mode, it has to do with the way information from more than one channel is used. It is a characteristic of multi channel PI detectors. 

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I'd love to compare this machine to my TDI at the beach.  But it most likely won't be available before August.   I know there is a lot of discussion as to depth and that it will detect a nickel at 17".  This compared to my TDI at 16", but the TDI has a 12" coil and the AQ will have the 12 1/2" coil.  Size will also increase the depth capabilities.  So that being said, it would be very interesting to see, comparing the two detectors using identical coil dimensions (the old saying apples to apples) .  I know there will be many more advantages of the AQ, pulse delay, iron features etc. but coil sizes need to be the same for a truthful analysis.

 

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