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Offline Chris-detectTopic starter
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« on: October 06, 2014, 03:16:44 pm »
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Hello,
i would like to share with you my concerns about Nexus metal detectors.
They argue that makes the search coils with total electro-magnetic resonance and high Q ,but how this is achieved?
Also they warrant detection depth 2 meters for a helmet in the ground(with the big coil).Is it true? so for a bigger
metallic box the detection depth will be 3 meters? with discrimination in this depth? and if the soil is mineralization
which will be the detection depth and the behavior of the detector?
Maybe somebody have Nexus detector to reply us?
Thank's in advance,Chris

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Offline Ridge Runner
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« Reply #1 on: October 06, 2014, 03:32:25 pm »
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First off, no one in their right mind is going to dig a hole 10ft/3m deep to hide something, so most PI machines will see things of that size at over 5 feet deep or 1.3mtrs, So a whites TDI SL will go that deep and the Whites TM808 will go to 25ft/7mtrs deep and both of them will be a lot cheaper than the Nexus,

The TDI will also handle mineralization better than the Nexus,  or you can go with the TDI Pro but EMI might give you problems near town so the TDI SL might be the Better option. Nexus is not a Brand that many people own due to the cost and the Lack of Proven abilities So I wonder why you are looking at them when there are Better and far cheaper options available to you,  

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« Last Edit: October 06, 2014, 03:58:59 pm by Ridge Runner »
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Offline Karl
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« Reply #2 on: October 06, 2014, 04:14:59 pm »
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I think he is asking you how it works. 

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« Reply #3 on: October 06, 2014, 04:27:21 pm »
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Quote:Posted by Chris-detect
Hello,
i would like to share with you my concerns about Nexus metal detectors.
They argue that makes the search coils with total electro-magnetic resonance and high Q ,but how this is achieved?
Also they warrant detection depth 2 meters for a helmet in the ground(with the big coil).Is it true? so for a bigger
metallic box the detection depth will be 3 meters? with discrimination in this depth? and if the soil is mineralization
which will be the detection depth and the behavior of the detector?
Maybe somebody have Nexus detector to reply us?
Thank's in advance,Chris


The Answer is because they most likely are running a much higher coil voltage, and if they are then The battery life will be lower than most VLF machine, Like I said the TDI SL will go very deep and so will the Whites MXT Pro With the 12/300 Coil on helmet sized objects.

Posted on: October 06, 2014, 04:23:11 pm
Quote:Posted by Karl
I think he is asking you how it works. 


Yeah I saw that but I got side Tracked, Chow Time,,, lol

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Offline Karl
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« Reply #4 on: October 06, 2014, 05:24:39 pm »
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OK  Cheesy

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Offline Chris-detectTopic starter
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« Reply #5 on: October 08, 2014, 03:18:23 am »
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Quote:Posted by Ridge Runner
First off, no one in their right mind is going to dig a hole 10ft/3m deep to hide something, so most PI machines will see things of that size at over 5 feet deep or 1.3mtrs, So a whites TDI SL will go that deep and the Whites TM808 will go to 25ft/7mtrs deep and both of them will be a lot cheaper than the Nexus,

The TDI will also handle mineralization better than the Nexus,  or you can go with the TDI Pro but EMI might give you problems near town so the TDI SL might be the Better option. Nexus is not a Brand that many people own due to the cost and the Lack of Proven abilities So I wonder why you are looking at them when there are Better and far cheaper options available to you,  


Yet there are treasures in 2 or 3 meters depth,if to the point of treasure has fallen additional soil from road construction or fallen home.
About TM808 I've worked in and I'm very disappointed because sound unnecessarily,it is very astable!
VLF models of White's are good in discrimination but haven't depth.Now about TDI SL i don't know about that,but is possible with this small
search coil to have good depth?! and how do it go with hot rocks and mineralization soil? because usually P.I. detectors have problems with
hot rocks and RED.Also P.I. haven't discrimination.
A good metal detector must have:
1.)Good depth
2.)Discrimination
3.)Stable operation and when it rings to be metallic target in the ground and not hot rocks or anything else...

I don't know if Nexus detectors do all the above and if have very good response to mineralization ground,also i don't know if the detection depth
is as they say.But the technology of perfectly search coil null is logical and impressive Shocked
Only a member can tell us,if have a Nexus detector and has made depth test in small and large targets in the ground.

Regards

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« Reply #6 on: October 08, 2014, 03:44:38 am »
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Well the TDI will find coke bottle size Target at over 4 feet/1.2 meters to about 1.5 meters, And the whole idea of PI machines is that they can handle hot rocks and Red Soil that is the Soul purpose of PI machines, And the TDI SL is the most Stable of the TDI Range,

The Nexus will Never work in Bad Ground Like the TDI will, The Nexus will lose Depth in Mineralised ground where the TDI will Not, and by changing the Delay speed will allow the TDI to choose which metal you want and you have the choice of over 100 coils that are available for the TDIs as big as 1.0 meters by 50cm which will more than give you a depth of over 5 to 6 feet depending on the Target, Even the standard Coil will go down 4 or 5 feet and the money you would save by not buying the nexus will give you more than enough to be able to buy an 18" mono or the 24" mono made buy Nugget Finder they should get you down to about 5 or 6 feet with out too much effort, just remember if you use a larger coil then you have to increase the Delay speed,

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Offline Chris-detectTopic starter
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« Reply #7 on: October 08, 2014, 04:53:48 am »
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Thank you Ridge Runner for your information,i will search about more information and video on internet.
The idea of TDI SL with 50cm coil is good...hmmm  do you have this detector? i mean you speak from your own experience?
I am looking ONLY for big targets,and not for small or coins.

Thank's

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« Reply #8 on: October 08, 2014, 05:12:07 am »
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Quote:Posted by Chris-detect
Thank you Ridge Runner for your information,i will search about more information and video on internet.
The idea of TDI SL with 50cm coil is good...hmmm  do you have this detector? i mean you speak from your own experience?
I am looking ONLY for big targets,and not for small or coins.

Thank's


Yes I do Own the Whites TDI SL, I use to own the Minelab GP3500 but this one does more and is easier to operate also when I bought mine I also bought the 7.5 inch coil, PI machines do NOT air test very well but I still managed to pick up A 200mm piece of tin foil at over 4 feet / 1,2 meters with it, I know for a fact it will pick up 2 litre coke bottle size steel target at well Over 1.2 meters, and you can buy either minelab coils or Coiltek and Nugget finder coils as wel as Razor Back coils for them,
Razor Back being the best Because they Are Tuned to suit the TDI's but all the others will work well,, all I know is if you are searching for large metal box's then it will find them, The SL is the most stable even more so than the GPX 5000 although the GPX is a little deeper, with the TDI you can turn off the Ground balance so it works as a straight PI Machine and it will go very deep,

good Luck

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« Reply #9 on: October 08, 2014, 11:11:39 am »
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RR  you should open an online store and sell white detectors.

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