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Garrett Infinium LS Metal Detector

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The Garrett Infinium LS detector is a ground balancing pulse induction (PI) based detector at an affordable price. Very few underwater detectors offer interchangeable searchcoils, and no underwater PI except the Infinium has the ability to compensate for ground mineralization with automatic ground tracking. The Garrett Infinium LS is seeing use water detecting, relic hunting, prospecting, and more.
Garrett Infinium LS Pulse Induction Metal Detector
Garrett Infinium LS Pulse Induction Metal Detector

The Infinium LS is a powerful and very versatile general purpose detector built with one idea in mind - to work well in conditions that standard VLF detectors find difficult to handle. While many people are excited by the Infiniums possible prospecting applications, it should not be overlooked that mineralization is a problem for many other types of detecting. Many Civil War battles took place on extremely mineralized ground. Even when coin hunting around old ghost towns detectorists can find they are not getting the depth of detection they should due to ground mineralization. The fact that the Infinium is totally submersible means it can be used in pouring rain or even underwater (with optional underwater phones).

The Garrett Infinium LS is designed to handle these extreme detecting challenges so as to get depths of detection not attainable with normal VLF detector technology. Garrett's Advanced Pulse Induction (API) technology is sure to lead to new finds in many areas now considered worked out. In fact, the best way to be successful with an Infinium is to seek out areas where hot rocks and other mineralization issues make VLF detectors difficult to use! And best of all, it does it at a price most detectorists can afford.

 

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Additional Accessories You Can Buy For Your Garrett Infinium

Underwater Headphones
Underwater Headphones
For use with mask and snorkel detecting or detecting while SCUBA diving. The Infinium is not fully submersible unless you have these headphones. Please note that the volume is controlled on the Infinium on the land headphones, and so these underwater phones operate at full volume only. This means they are too loud for above water operation.
Part#GA2202100
7" x 3" DD Elliptical Searchcoil
7" x 3" DD Elliptical Searchcoil
For moderately to heavily mineralized soil. This coil is ideal for nugget detecting in nooks and crannies and offers enhanced sensitivity to small items. It is also very easy to pinpoint with compared to the larger coils.
Please note that although this coil is waterproof it is not a diving coil and should only be submerged to shallow depths.
Part#GA2216600
7" x 3" Coil Cover
7" x 3" Scuff Cover
Coil covers protect the bottom of the search coil from wear and tear. These thin plastic covers simply snap in place and sacrifice no depth or sensitivity. If you ever wear through the cover, simply pop it off and replace it.
Part#GA1601400
Infinium 10" x 5" DD Elliptical Searchcoil
10" x 5" DD Elliptical Searchcoil
For moderately to heavily mineralized soil. This coil is much lighter than the stock 14" DD coil yet sacrifices only a small amount of depth. It's also easier to pinpoint with this coil. Please note that although this coil is waterproof it is not a diving coil and should only be submerged to shallow depths.
Part#GA2216700
 
10" x 5" Coil Cover
10" x 5" Scuff Cover
Coil covers protect the bottom of the search coil from wear and tear. These thin plastic covers simply snap in place and sacrifice no depth or sensitivity. If you ever wear through the cover, simply pop it off and replace it.
Part#GA1602500
8" Mono Searchcoil
8" Mono Searchcoil
For use in light to moderately mineralized soil. This is an epoxy-filled coil like the stock Infinium coil and so suitable for diving depths. This coil is much easier to pinpoint with than the stock coil with minimal loss of depth.
Part#GA2217000
 
14" x 10" Mono Searchcoil
14" x 10" Mono Searchcoil
For use in light to moderately mineralized soil. This is an epoxy-filled coil like the stock Infinium coil and so suitable for diving depths. This coil is easier to pinpoint with than the stock coil as it has a standard cone-shaded detection field. This coil will get slightly more depth than the stock 14" x 10" DD coil in moderate soils and so for some uses this is currently the deepest seeking coil for the Infinium.
Part#GA2216900
 
Infinium 14" x 10" Coil Cover
14" x 10" Scuff Cover
Coil covers protect the bottom of the search coil from wear and tear. These thin plastic covers simply snap in place and sacrifice no depth or sensitivity. If you ever wear through the cover, simply pop it off and replace it.
For both the mono and DD coils. The closed bottom scuff cover is great for above water use to keep the coil from hanging up on brush or other obstructions. It is generally not as useful for underwater use on these large coils however.
Part#GA1606400
Infinium AA Battery Holder
Spare AA battery holder for Infinium. Keep an extra set of eight AA batteries ready to go.
Part#GA9427800
 
Infinium Plastic Lower Rod
Spare plastic lower rod assembly for Infinium. If working under extreme conditions having a backup is wise. Many users like having these for spare coils to make swapping out easier. Includes rubber washers and locking pins. If you need a plastic bolt kit see the next item.
Part#GA9975800
 
Infinium Plastic Bolt Kit
Spare plastic bolt with two caps for Infinium. This is the bolt that holds a searchcoil on the lower rod assembly. Have a backup in case a cap gets loose and falls off. Or for use with spare lower rod above and spare coil for easy searchcoil swaps.
Part#GA2330000
 
Infinium O-Ring for Battery Door
Spare o-ring for Infinium battery door.
Part#GA9833300
 
Check out our Metal Detector Accessories Page

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6.8 Pennyweight (20 Pennyweight per Troy Ounce) of Nuggets Found With Infinium LS
6.8 Pennyweight (20 Pennyweight per Troy Ounce) of Nuggets Found With Infinium LS in Fortymile Area of Alaska Spring 2003

 

13.8 and 3.8 Dwt Nuggets Steve Herschbach Found With Infinium LS
13.8 and 3.8 Dwt Nuggets Found With Infinium LS 9/29/02 At Ganes Creek, Alaska - See Story Below
Steve with Garret Infinium on Kauai beach
Garrett Infinium in Hawaii with 5"x10" DD accessory coil with control box in hipmount configuration
All rings Found with Infinium except gold ring on pinky finger
And rings found with Infinium in the surf at Hawaii - see story here

Garrett Infinium at Ganes Creek, Alaska

I visited Ganes Creek, Alaska over the Labor Day weekend to do some nugget hunting with some friends. I've visited the creek before, and used the Garrett Infinium LS to find a 1.2 pennyweight nugget on an earlier visit in July. We scanned an area that has been heavily hunted, for the same reasons that we were there. Three nuggets over 5 ounces were detected in the area this year.

For long hours of scanning, I prefer to use the Infinium in hipmount configuration. In other situations, where I may be digging more than actually scanning, I mount the control box to the rod assembly so I can set the detector aside while digging. But at Ganes Creek, where I may spend 12 hours a day scanning, keeping weight off my arm is very important. When hipmounted the rod and coil assembly weighs 3 lbs 3.8 oz on the arm, a significant reduction from the total unit weight of over 5 lbs.

The Infinium ran smooth and clear, so much so that I found myself waving my ring over the coil to make sure it was really working. Absolutely no signals from rocks in the tailing piles. Very odd when you are used to constant background sounds back from a VLF detector. But every once in awhile I got a signal, and dug either a shell casing, or an iron trash target. The dual-tone id on the Infinium LS is pretty simple. If you get a "hi-lo" tone the item is most likely a low conductive target like a gold nugget, gold jewelry, pull tabs, US nickels, and foil. Highly conductive targets like copper, silver (most coins except US nickels) and most iron and steel give a reverse "lo-hi" audio signal.

The discrimination on PI (Pulse Induction) detectors is not perfect, and so iron targets that might be rejected with a VLF (Very Low Frequency) may be signaled as "good" on a PI detector like the Infinium LS. It's important to know the dual-tone system is not an "iron rejection" system. It merely separates targets into two categories. Most iron and steel targets are highly conductive, but there are some that are actually low conductive. Bits of wire and flat, very rusty items are the worst offenders. When the Infinium reads on iron or steel targets as hi-lo tone, it has not made a "mistake" or wrong id. It is that there is a wide variation in potentially detectable targets, and some types of iron and steel have a low conductivity. So although the discrimination system on the Infinium was rejecting most of the iron trash, I was still digging some now and then.

I find shell casings and bullets to be encouraging, as that means there are likely more gold nuggets to be found. There is no id system available that will reliably reject brass and lead while getting gold nuggets. If these items remain to be found, then not all potentially detectable targets have been located. The same rule applies to pull tabs and gold jewelry. Leave pull tabs behind, and you leave gold jewelry for me to find. So the fact that the hi-lo tone groups gold nuggets, gold jewelry, bullets, shell casings, and pull tabs together is a good thing. This is the "gold range".

Still, the area had been well searched, and the finds were few. I finally located a 13.8 dwt (dwt = pennyweight) nugget, and then a 3.8 dwt nugget (20 pennyweight per ounce). Both were in an area of old cobbles that had lots of shell casings, and it may be that others had therefore avoided the location. The Infinium did it's job, and did it well. It runs incredibly clean in mixed cobbles that give constant, distracting variations in threshold sound on a high-frequency VLF unit.

All in all, I feel Garrett has done what they set out to do. Design a good general purpose ground balancing pulse induction detector for a very reasonable price. The machine almost totally ignores hot rocks and mineralized ground that give VLF units fits. And the dual-tone id system is a real plus. The machine should see lots of use nugget hunting, relic detecting, and of course water detecting. Now if they would just release the accessory coils - 14" mono and 8" mono. They are slated to be in dealer hands later this year.

~ Steve Herschbach

General Information:
Advanced Pulse Induction (API) Technology
730 Pulses Per Second
Microprocessor Controlled
True Ground Balancing Capability
Adjustable Automatic Ground Tracking
32 Adjustable Frequencies
Pulse Induction Discrimination System
Completely Submersible When Used With Optional Underwater Headphones
Multiple Shaft Mounting Options
Hip Mount or Chest Mount Options
Standard With Above Water Headphones
Standard And Chargeable Batteries Supplied
110V And 12V Chargers Included
Two Year Warranty

Operating Controls (3):
1. Power, Automatic Ground Track Slow (Slowly Adjusts For Changing Ground Mineralization), Automatic Ground Track Lock (Fixes Ground Balance At Last Slow Or Fast Setting), Automatic Ground Track Fast (Rapidly Adjusts For Changing Ground Mineralization)

2. Discrimination (Target Elimination) – Fully Adjustable Discrimination Mode (This Control Doubles As A Frequency Control, See Below). Increasing This Control Increases The Amount Of Conductivity A Target Must Have To Produce A Signal.

3. Threshold Control - Variable Threshold Control With Frequency Adjust Position At Full Clockwise. This Control Is Adjusted To Produce A Faint "Threshold" Audio Sound. Some People Find It Easier To Think Of This As A "Squelch" Control.

4. Frequency Adjust - When Threshold Control Is Set At "Freq. Adjust" Position, The Discrimination Control Becomes A Frequency Adjust Control, With 32 Separate Frequencies To Choose From. Setting A Different Frequency Can Reduce Electrical Interference From Electrical Mains Or Other Detectors.

Discrimination:
The Infinium LS Provides Two Types Of Discrimination Information

1. Dual Tone Audio - The Audio Signal For Low Conductivity Items Is A High Tone Followed By A Low Tone. The Audio Signal For High Conductivity Items Is A Low Tone Followed By A High Tone.

2. Standard Discrimination - Increasing The Discrimination Control Sets A Higher Level Of Conductivity That A Target Must Have To Produce A Signal. Many Low Conductivity Trash Items May Be Eliminated This Way, Such As When Coin Hunting. Also, Certain Large Trash Items May Be Identified As They Cannot Be Tuned Out, Whereas Many Valuable Items, Such As Jewelry Or Gold Nuggets, Will Be Tuned Out (Reverse Discrimination).

Control Housing:
Control Housing Borrowed From Proven Reliable Sea Hunter Model - Fully Submersible to 200 Feet (65 Meters)
All Controls Environmentally Sealed and Totally Waterproof
All Searchcoils Are Interchangeable With Waterproof Connector To Control Housing
Waterproof Headphone Connector To Control Housing Allows Use Of Different Headphones
Near Neutral Buoyancy When Used Underwater

3-Piece Stem Design:
Electronic Housing Mounting Locations; Above Stem, Below Stem, or Beneath Cuff
Off Stem – Hipmount/Chestmount Pouch And Belt Included

Searchcoil:
14" x 10" Power DD Elliptical Epoxy-Filled, Open Design. Best Choice For High Mineral And Saltwater Conditions
Optional Searchcoils – 8" Round & 14" x 10" Elliptical Mono

Battery Data:
Automatic Audio Battery Check
8 AA Batteries & Holder– Included
Rechargeable Battery Pack - Included
110V Battery Wall Charger - Included
12V Battery Car Charger - Included
Sealed Battery Compartment – Externally Accessible Via O-Ring Sealed Access Port
Drop-In Battery Pack - No Leads To Connect
Operating Time - Approximately 10-15 Hours

Headphones:
Deluxe Padded Headphones With Individual Volume Controls For Each Ear. Dry Land Use Only (Underwater Headphones Optional)

Operating Weights:
Control Housing w/Batteries – 2 lbs 1.2 oz
Headphones – 15.1 oz
Rod/Coil Assembly – 3 lbs 3.8 oz
Total Weight with Headphones and Batteries - 6 lbs 4.1 oz

Warranty:
Two Year Limited Warranty

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