Jeohunter - Visual Ground Scanner

[Funfinder]

Thx Qiaozhi for the very good answer - I can fully confirm this.


Govind,
if you have enough money and if you wanna start with such somehow pretty advanced detector, I think it's possible that you can make it.


Above @ post #310 you can watch the youtube clips and decide if you can handle it.

Groundbalance is the name of the method for eliminating the most possible amount of disturbing signals the ground causes. The more mineralized, the more good groundbalance is needed for getting still reliable metal-detection signals out of the "noise-mix".

The Jeohunter is able to detect even through a thick layer of brickstones but for beginners all this may a little bit too complex.

Because it uses "reset-state non-motion with cavity" which means that if the ground is very strong mineralized the detector get's driven out of the quiet-non-detection-zone at high sensitivity so you have to press the reset button.

Of course this is professional because motion-detectors internally regulate this and make the MD less sensitive. But you have to be used to it and you have to press alot the reset button to get the MD again back to the quiet zone.

And it really depends what you wanna find!
The Jeohunter works great for deep stuff if it's medium in size or larger.

If you wanna find coins or goldnuggets better get a more lightweight detector with smaller coil.

Nokta is more expensive, the new one (Golden Gate) has alot electronical gadgets if you need this but smaller coil and Jeohunter has better coil-quality and the new package comes with 1m ultra-depth coil.

Anyway - it really depends what you want to find, what you need and how much you like to invest.

[Qiaozhi]

Hi Qiaozhi, thanks for your reply, but you did not tell what is ground balance. why would it be complicated to use. i can learn slowly at my pace, I am not in a hurry to find something valuable right away. even if i buy a simpler cheaper detector as suggested i still need to spend time to ground balance it. why shouldn't i practice it on joehunter or nokta
Thanks
G

Before I answer your question, please tell us what you intend to search for, and where? For example, do you intend to search inland or on the beach? Are you wanting to go looking for single coins in the local park, relic hunting, a large cache (perhaps a large treasure you think exists in a particular location), searching on the beach, meteorites, gold nuggets, or searching ploughed fields? As you can see, there are many options. It also depends on how deep you want to dig. The size of the objects you're looking for will also affect the decision of what to buy. Ground balancing is not even a requirement for some of these scenarios.

[Govind]

If you don't know what ground balance means, then I suspect both of the detectors you mentioned will be too complicated for you to use. This year I met someone who had a Nokta, and after one year he was still having to read the manual and watch the DVD to figure out how to use it. I would advise buying a simpler cheaper detector in order to learn the basics and to get used to metal detecting.

Hi Qiaozhi, thanks for your reply, but you did not tell what is ground balance. why would it be complicated to use. i can learn slowly at my pace, I am not in a hurry to find something valuable right away. even if i buy a simpler cheaper detector as suggested i still need to spend time to ground balance it. why shouldn't i practice it on joehunter or nokta
Thanks
G

[Qiaozhi]

Hi GURUS,
I am new to MD’ing, and know only a very little about it.
I have gone through all the pages of this thread, and found many promising facts of joehunter. Here Joehunter and Nokta almost cost the same. Nokta has a better look and feel and some extra features compared to joehunter, but I don’t know if it works like joehunter. As I know both the products origin belong to same group which are now separated. Can you throw some light so that I can buy either of the one.
Second question is, What is ground balance, if I don’t know how to ground balance a device is it of no use at all.
Thanks
G

If you don't know what ground balance means, then I suspect both of the detectors you mentioned will be too complicated for you to use. This year I met someone who had a Nokta, and after one year he was still having to read the manual and watch the DVD to figure out how to use it. I would advise buying a simpler cheaper detector in order to learn the basics and to get used to metal detecting.

[Govind]

Joe hunter

Hi GURUS,
I am new to MD’ing, and know only a very little about it.
I have gone through all the pages of this thread, and found many promising facts of joehunter. Here Joehunter and Nokta almost cost the same. Nokta has a better look and feel and some extra features compared to joehunter, but I don’t know if it works like joehunter. As I know both the products origin belong to same group which are now separated. Can you throw some light so that I can buy either of the one.
Second question is, What is ground balance, if I don’t know how to ground balance a device is it of no use at all.
Thanks
G

[Funfinder]

Hi ishtar hunter,

thanx for the interresting Jeohunter test you made here:

http://www.geotech1.com/forums/showthread.php?t=18013

> when i was in makro company in turkish learn carefully to me .

This is very friendly, I'm shure you have had a good time there.

If you are treasure-hunting now please show us your findings and the Jeohunter depth-results.

[Funfinder]

Hi FoundIt!

Where have you checked the describtion? Usually the only difference is the language (Jeosonar is turkish and I guess arabic, too) while Jeohunter is with english menu for the worldwide market.

Besides the new 3D Dual System is inclusive 1m plus small coil while the Jeohunter or Jeosonar 3D standard version is with one coil and costs some less. Same with Jeoscan 2D - comes with standard coil and costs even more less.

However this is good choice from you because Jeohunter or Jeosonar is very reliable.

I saw a treasure hunting report where they used the russian Loza GPR in some old easterngerman (or was it czech?) castle and the display showed something that looked like a hidden cellar. So they drilled a deep hole through very hard rock and there was: Nothing!

btw. the Loza's 2 antenna system and display is nearly the same as this device for 2500 Euro:

http://www.geotech1.com/forums/showpost.php?p=133464&postcount=3

Maybe the pulsediscriminator works better for cavity as the Loza but you need alot expierence to decode the output pictures correct, it can't see buried metal and you need additional computer or laptop stuff. So the Jeohunter is much easier to use and you get a very sensitive and deep metal detector, too. You also can find very precious meteorites that are hardly detectable with any other MDs because you will be able to detect already very fine differences in ground conditions. Good luck and tell us your progress.

[FoundIt]

JeoHunter 3D - JeoSonnar 3D: difference?

Thanks Funfinder for that response.

Another question: in trying to decide what to buy, I looked at the description of the JeoHunter 3D and the JeoSonnar 3D; I can't see what the difference is between those two.

Can you tell me what the difference is and in my case (walls and floor) is one better than the other?

[Funfinder]

Hi FoundIt!

Thx you liked the information. For easy understandable visible instructions how to use it here you can see the newest user guide videos in high definition:


Jeohunter 3D Dual System User Video Part 1-4

http://www.youtube.com/watch?v=mdflUzWdwwA

http://www.youtube.com/watch?v=u3BSZGI6POo

http://www.youtube.com/watch?v=bwh49XyTgas

http://www.youtube.com/watch?v=CUXahttKIZg

Coming back to your question:
70cm thick walls is no problem if there is large metal directly behind - no prob for any good MD. If you wanna find hidden rooms or cellars you need a detector that is sensitive to cavity like the Jeohunter. But also the stones have to be at least a little bit mineralic so you can detect the difference between massive stone ground and not that thick stone regions with air behind.

You will have a problem to detect a hidden room behind a wall if you search this wall from outside and there are no changes behind this wall. In such case you need to make measurements of the room-sizes and search for places where secrets rooms would have enough space to hide.

Find the entrace to the escape tunnel should be very simple because such tunnels have to be connected somewhere at the cellar or first floor and are surrounded by massive rock. I heard a device called Emfad that works with passive longwave-receiver also can discover hidden rooms and a russian GPR called Loza but you will pay alot more for them compared to the Jeohunter.

I wish you good luck, this treasure-hunting project sounds very exciting, so pls tell us more about your progress and success if you like, especially if you really should use the Jeohunter.

[FoundIt]

Searching inside a house

Funfinder, first thanks for all your comments. They are most instructive.

I am planning to do some searching in a old house (over 500 years) with walls about 70cm thick. I will be looking for places people may have hidden valuables and also for a possible escape tunnel (rumor has it that the house had an escape tunnel).

Most of the floors are either concreet (not reinforced with rods) or tiles, walls are made from stone not bricks.

What detector would be a good choice ?

Thanks for your opinion.

If anybody else has an opinion, they are welcome.

[ishtar hunter]

my friend funfunder

Thanx!

I've written it already here in this thread, but I repeat it as additional info:

That's another valuable tip - IF the ground is not or just very low mineralized:

Under such conditions you can get better sensitivity for gold and especially for
silver if you raise the ground balance from plus 50 'til plus 150.
Make some ground balance in air tests (use different values from minus to plus)
with a large silver coin or very big copper / alu item to see the difference.

The ground balance itself shifts what is recognised as positive (metal) or
negative (mineralic). As example if you set the ground balance to minus 200
even mineralic stones will give the tune of metal and if you set it to plus 200
it should be possible to discriminate rusty nails without iron off because now
they fall into category mineralic. However with the scan button you always
can check what it is.

Lower ground balance (minus) gives more sensitivity to (long time ago buried
rusty) iron while higher ground balance is better to find deep noble metals.

Some may say now: Oh, that's not good, because I'll get bad sensitivity for
silver on very high mineralized ground. Yes, but with other detectors this may
be similar, if they have a very broad range of different ground-balance!
The extremly sensitivity of the Jeohunter is based to find very small changes
in "field-activity" so it detects smallest changes in ground-resistance, too.

But: Gold is not that strong affected at strongly mineralized soil because
it's conductivity is close to iron AND besides:
It is possible to search even at higher ground balance values at heavy ground,
but the quiet zone of the ground balance in this case is not that wide spread
as with correctly ground balance setting. With reset button mod this is no
big problem because you can set the detector quiet within half a second.


Good luck MKD33, just make some tests until you are used to it and:
If you like bury something very deep and post the test results here!

Hi fun finder
dear my friend thank you of your good post and thank's for your post of ground balance
yes your comments is true but please see this post too
Fore ground balance you don't need to learn number for soil it is very easy :when i was in makro company in turkish learn carefully to me .my english language is not good for this i don't write good and sorry but you see.when you are in ground balance mod keep coil above 40cm ground and so press reset button and slowly Lower coil near ground until put on ground or( keep 3cm above ground) and see ground effect my be is negative or positive .if ground effect is negative you must keep coil above 40 cm the ground again and press enough the -(negative) button until when slowly Lower coil near ground or put on ground removed (negative sound and effect) for test a good balance ,you must Move up and down coil and don't listen any sound from detector & for positive effect you must use +button and repeat the steps above if your device Was balancing press ok button and go to detect.
In during the search you can use automatic balance by Pressing the reset button but( you don't press reset button on metal when has discovered your detector )
Important Note:when you keep coil above 40 cm the ground and press reset before resetting you must can keep 100% and see 100% ground balance so pressing reset button if you don't keep 100% This means that ground is mineral or Below coil is a metal and you must change your area for balance .

Mineral ground don't let me to set any number in ground balance but if the effect ground it was positive we can detect Non-ferrous metal carefully such as gold.And can make deep search.

[Funfinder]

Thank you Funfinder,

Your explanation is very good .

MKD33.

Thanx!

I've written it already here in this thread, but I repeat it as additional info:

That's another valuable tip - IF the ground is not or just very low mineralized:

Under such conditions you can get better sensitivity for gold and especially for
silver if you raise the ground balance from plus 50 'til plus 150.
Make some ground balance in air tests (use different values from minus to plus)
with a large silver coin or very big copper / alu item to see the difference.

The ground balance itself shifts what is recognised as positive (metal) or
negative (mineralic). As example if you set the ground balance to minus 200
even mineralic stones will give the tune of metal and if you set it to plus 200
it should be possible to discriminate rusty nails without iron off because now
they fall into category mineralic. However with the scan button you always
can check what it is.

Lower ground balance (minus) gives more sensitivity to (long time ago buried
rusty) iron while higher ground balance is better to find deep noble metals.

Some may say now: Oh, that's not good, because I'll get bad sensitivity for
silver on very high mineralized ground. Yes, but with other detectors this may
be similar, if they have a very broad range of different ground-balance!
The extremly sensitivity of the Jeohunter is based to find very small changes
in "field-activity" so it detects smallest changes in ground-resistance, too.

But: Gold is not that strong affected at strongly mineralized soil because
it's conductivity is close to iron AND besides:
It is possible to search even at higher ground balance values at heavy ground,
but the quiet zone of the ground balance in this case is not that wide spread
as with correctly ground balance setting. With reset button mod this is no
big problem because you can set the detector quiet within half a second.


Good luck MKD33, just make some tests until you are used to it and:
If you like bury something very deep and post the test results here!

[ishtar hunter]

Ishtar, please do't post in Turkish. Use a machine translator! See how the Google translated your post:
HOW TO SET ZEMĠN?
After turning on the device directly to the "ZEMĠN SETTING" mode opens. Obtain reliable results should be setting the stage for connecting the device to be used. By the effect of soil structure during the search and re-setting the stage needs to be done soil değiĢtiği cases, "ZEMĠN" button and then continue to the ground floor again, setting the stage setting, by controlling the steps leading to the setting yapınız.Zemin
1. To set up the ground, the device "LCD" and automatically open at the ground mode is reached.
2. Search baĢlığını Lift up to 40 cm above ground "RESET" button.
3. When in ground mode of ground current effect on the device "as" Ground Effect is seen on the screen. This effect değiĢecektir floor has been set.
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4. Setting the ground at one point owned the metal and the space should be made sure they did not. tutturulamıyorsa setting the stage perfectly, setting the stage again without sliding to the side çalıĢılır current location.
5. Operator device search baĢlığını "40 cm." Removes the reset button on the up after pressing the call baĢlığını parallel to the ground "5-10 cm" yaklaĢtırır place.
6. The device shown in the figure at the bar or on the ground effect, and there is no interaction, "the phrase appears on the ground setting has been made of 100%. In this case the device is ready for exploring and "ACCEPT" button on the search mode you can press.
7. If there is no ground effect on the device, the device shown in the figure "ZEMĠN SETTING" is an impact bars. To eliminate this effect "-" direction to that effect "-" button + direction to that effect "+" button. This effect until it disappears, and "Setting the ground has been made of 100%" until seen in the phrase "-" or "+" buttons are printed.
27
8. "+" Or "-" After pressing the search baĢlığını tuĢlarına lift up to 40 cm above ground, and the "RESET" button on press, redial baĢlığını observe the impact from the 5-10 cm above the ground holding, ground effect is still running, "+" or "- "eliminate the effect by pressing the çalıĢın tuĢlarına.
9. If you can resolve the impact of the sensitivity level, a level floor düĢürülerek transactions described above is repeated.
10. Ground effect is eliminated after the "ACCEPT" button on you can press the Search Mode.

Hi mikebg
Thank's of you and funfinder for help
ok but the friend don't know my english translate and write turkish for me and i post turkish pdf for his

[MKD33]

Hi MKD33!

Ground balancing is absolutly easy:

The goal to achieve is to keep the detector within the quiet range inbetween cavity and metal signalizing. The more sensitivity and/or the higher mineralisation the smaller this quiet range will became.

Adjust the groundbalance with the plus and minus buttons until you get a value where the detector will not give any sound while you lift the coil from 5cm to 40cm above the ground. On strong mineralic soil this may not be possible with very high sensitivity because there is a strong detection interaction between very large coil and mineralic ground. Solution: lower sens. until it works.

As a rule of thumb: The more mineralisation, the more minus ground balance value.
Hot rocks, loam and clay have around minus 80 while black sand has ca. minus 150.
At deep humus soil, quartz and silicion sand or granite or lime the 0 value will work.

With reset button mod you can reduce the coil liftings "quiet zone" from 3cm to 20cm above the ground - this gives more sensitivity.


The gold detection works but you have to consider gold most of the time is alloy, even natural gold-silver alloy called electrum. There is alot other metal stuff in shape and alloy that also fits into the disc- or better notch-range of gold, like alu foil and alloys containing copper. Also large ball shaped steel objects like cannonballs will fall into this category. However the gold detection works, I have tested it with small golden ring and other stuff.

Greets to Macedonia and great findings with your Jeohunter!

Thank you Funfinder,

Your explanation is very good .

MKD33.

[Funfinder]

bla bla bla.... only words__!!! but real users say vice versa whatever you guyz claim with huge `only word` ads!
there is no video even with these things, i mean to say no real ground video....! only pre-prepared soil and pseudo tests!

Ronin, you're back. What have you done all the time?
I know you don't like the Jeohunter but have you really found a better detector yet?

btw. We (me and ishtar hunter) are real users and our tests are real, too - for shure.
If you don't like the Jeohunter, why don't you get yourself a cheap PI an walk around
with 1m frame? Or what was the detector you said it works much better as Jeohunter?