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It was during the late 1920’s a German immigrant by the name of Dr Gerhard Fisher (who studied electronics at the University of Dresden and is founder of Fisher Metal Detectors) obtained the first patent ever to be issued on aircraft radio direction finders while working as a research engineer in Los Angeles. At the time his work had begun to attract the interest of one Dr Albert Einstein who after seeing the equipment demonstrated stated that “radio direction finders would be used world wide both in the air, on land and at sea”.
Although during the early years when direction finders were being used aircraft pilots found that errors would happen to their bearings when a metal object came between the transmitter and receiver or when they passed over certain areas (it was in these areas that highly conductive mineralized formations were found). After carrying out some investigation Dr Fisher found that a portable electronic prospecting instrument could be developed which used the same principles as the direction finders but would instead detect the presence of small buried objects or ore deposits.
He continued carrying out research on this subject and in 1931 he founded the Fisher Research Laboratory (set up in the garage behind his home the infancy of Fisher Metal Detectors). With the assistance of 4 employees he began to produce the “Metallascope”, which was a rugged easy to use metal detector. Although by today’s standards it would have been a very ungainly device consisting of 2 large flat wooden boxes which contained simple copper coils, 5 vacuum tubes and a number of other components. Within a very short period of time not only had it caught the imagination of the people in the USA but also many around the world as well and Fisher Metal Detectors had begun.
In fact by 1936 sales had become so large on the “Metallascope” which had now been nicknamed the “M-Scope” that Fisher Metal Detectors home base, Fischer Research Laboratory, had to move locations and was now being accepted as the standard to which all types of electronic metal detection equipment should be made. Then before the beginning of World War II in 1939 Fisher Metal Detectors moved to an even larger premises and the company was called upon to contribute its technical competence to the war effort both during Word War II and the subsequent Korean Conflict.
Because of the popularity of the M-Scope and because the patent rights Fisher Metal Detectors had on this item was expiring a number of competitors began producing similar pieces of equipment and yet Fisher Metal Detectors managed to maintain their position as they would keep in close contact with clients who used their machines in order to use their wealth of experience to design new models.
In fact over the years Fisher Metal Detectors has designed and produced even more sophisticated products as well as metal detectors such as Geiger counters, Radio Communication Systems, Voltage Detectors and Cable Fault Locators.
Again in 1961 the Fisher Metal Detectors moved once more to a larger production facility in Belmont, California and finally in 1967 Dr Fisher retired from Fisher Metal Detectors after firmly establishing his name in the annals of electronic history. Then because Fisher Metal Detectors continued to grow they moved in 1974 and finally in 1990 Fisher Metal Detectors built their own spacious modern manufacturing plant in Los Banos, California and this is where the world’s oldest metal detector company is now located.
In this article we will explain why there are 10 reasons for purchasing a metal detector whether as a hobby or part of your business from Kellyco Metal Detectors.
Kellyco Metal Detectors guarantee anyone purchasing a metal detector from them that they will be cheaper than anywhere else in the US. Say if for example you find the same metal detector in either a factory authorized dealers catalogue, or through a mail order flier or on a web site for less then they are offering it to you they will gladly refund the difference to you plus 20% of that difference as well. This is Kellyco Metal Detectors customer service.
Kellyco Metal Detectors promise that regardless of any problems you may have with your metal detector and regardless of the length of warranty you have on the product if it requires servicing during the warranty period then they will ensure that the manufacturer provides you with a prompt quality service. In fact many of the products that Kellyco Metal Detectors offer come with unconditional lifetime replacement warranties on them, which many other retailers can not offer to their customers.
Because Kellyco Metal Detectors do not want dissatisfied customers they have trained staff that can provide you with all the advice and assistance that you need prior to making a purchase. They also offer a return or replacement service for defective items within 7 days of the purchase only. However, if you decide you wish to return it for any reason within 14 days of the purchase Kellyco Metal Detectors will offer you either a refund of 70% or a credit of 80% for use against the purchase of another metal detector instead. These offers apply not just to new metal detectors but also to demonstration models and used ones as well.
Kellyco Metal Detectors operates from a large building which holds over $1,000,000 worth of stock (both metal detectors and their accessories).
The team of experienced metal detector specialists that work for Kellyco Metal Detectors will only choose the products that represent exceptional value for money to their customers and both the metal detectors and their accessories sold by Kellyco Metal Detectors have been field tested in order to verify their performance and quality standards.
If at any time you require assistance on “How to use” your metal detector Kellyco Metal Detectors have a number where you can contact them and be able to speak to their trained experts with your questions.
Many customers return to Kellyco Metal Detectors as they can offer to these people the chance to purchase new metal detectors at incredible prices prior to them being offered in their catalogues or anywhere as honored customers.
They offer a same day shipping service to all their customers. They try to ship any orders they receive on the same day and if a customer wants them to Kellyco Metal Detectors will test the metal detector so that all they have to do upon receiving it is take it out of its box assemble it and then they can start using it and having fun.
For nearly 50 years now Kellyco Metal Detectors have provided their customers with a customer service system and will do their utmost to help those customers with any problems they may have.
At all times Kellyco Metal Detectors will do their utmost to keep their customers satisfied and in order to make this happen, many of the items that they offer have unconditional lifetime replacement warranties with them, while many others have a money back guarantee offer instead. As you can see from above there are many reasons as to why purchasing a metal detector from Kellyco Metal Detectors may be a safe option.
It is believed that the first metal detector was created by Alexander Graham Bell in 1881 in order to locate a bullet that was lodged in the body of the then President of the USA, James Garfield after he was assassinated. However, the first portable version of the metal detectors was in fact patented by a Dr Fischer in 1931 and since then metal detectors have become very common. Below is provided an explanation on the way in which a metal detector works.
1. A metal detector is an electronic instrument which is able to find any instance of metal whether it is in the ground, a human body or inside an object such as a parcel. It is able to pass through, sand, soil, wood or any other non metallic object to find the metal it is looking for.
2. The construction of any elementary metal detector is as follows:- It has an electronic box together with a battery on one side with a handle for the operator to hold it. Then a coil is made from insulated wire which is wrapped around a telescopic shaft and at the end of this is a round plastic disk.
What the operator then needs to do is switch on the power and begin sweeping the ground slowly until an electronic signal sounds or changes frequency. This signal indicates that there is a metallic object or item present under the area where you have just swept with the metal detector.
3. A metal detector works on the principal of using electromagnetism which exerts an effect on metal objects or items. The metal coil on the metal detector is called a transmitter and using the battery power it generates a magnetic field which works on the area surrounding it. When this magnetic field enters the ground it causes any metallic item it comes in contact with to become magnetic and this results in an electronic signal which is detected by the receiver in the coil. The receiver then dispatches the signal it has received to the electronic box which contains a speaker and this in turn emits a beep for the operator to know that metal has been detected.
In each electronic box there is a microprocessor which measures the time lag between charging the area being searched and the electronic box actually receiving the signal. This time lag is known as the phase shift and lets the operator known which metals are present and by using this principle, people are able to configure their high end metal detectors to look for specific metals.
Some people think that it takes great skill to operate a metal detector and find treasure buried in the ground. The truth is, it just takes a little practice so that an individual will know whether the object is worth digging or just move because it is just trash.
The metal detector has a built in transmitter, which scans the ground. If something metallic bounces back, the receiver will pick this and send a signal to the user. Since each object has different characteristics, this signal can give the individual an idea of what is underneath.
The first tip that a person should know is how the metal detector works. This device is hand held, so being familiar with the parts and the switches it has will give the treasure hunter a good idea of how to use it.
It would be a good idea to practice using this at home so one will become familiar with the machine before going out into the field.
There are various metal detectors in the market. If the alarm goes off every time, maybe the user should examine the machine being used to determine if it functioning properly. In most cases, there is nothing wrong and the person just forgot to set the notch to only respond to certain objects over a limited area.
The second tip for the avid treasure hunter is to study the manual carefully to understand the type of sounds made by the machine and the meaning of the numbers that appear on the screen.
Scientists and other experts call this method discrimination. This is because it is based on the sound heard, the numeric readout or the meter indicator, enabling the hunter to tell if the object is treasure or trash.
The third tip for metal detecting is that it would be better to conduct a search in a group. This will allow everyone to focus on an item of value so that the focus will not be diverted to anything else. This will lessen the time it takes to scan an area so that the members can move on to something else if nothing was discovered.
Metal detecting can be both fun and challenging. By knowing how the machine works and doing the search in a group, the chances of finding something of value are much higher as more ground is covered.
You just bought your very own metal detector and you are itching to use it to find some interesting treasures. The only problem is, you don’t have the funds to go to a particular metal detecting hot spot, as there aren’t any within your immediate vicinity. To go metal detecting, you are going to have to wait for the next long weekend, plan the trip, and gather enough funds to spend on it.
The truth is, however, that the answer to your metal detecting woes is already in front of you – or rather, behind you, because you can actually go metal detecting right in your very own backyard. This works particularly well for those who are only starting out with metal detecting and have yet to get a good grasp on the activity. The backyard of your very own home is a great place to practice and learn metal detecting. Plus, it’s the best feeling in the world when you find a treasure right on your own property!
The backyard is best for beginners in metal detecting because usually a backyard is not as overloaded with signals as a lot of other metal detecting places are. It does, however, have enough items and materials hidden in its depths to allow you to learn the signals that your metal detector gives out for particular pieces or types of metals.
Metal detecting in your own backyard is also much cheaper, because it’s practically free! Your backyard also allows you to go metal detecting as often as you want, whatever time or day it is.
Furthermore, metal detecting in your own backyard gives you privacy. Often other metal detecting places will be swamped with tourists or other metal detecting hobbyists. If you are not yet confident with your metal detecting techniques and are only beginning to get the hang of it, the backyard is the best place to start, because no one will see you mess up!
Here are some other tips when you go metal detecting in your own backyard:
1. Go metal detecting after it has rained, when the ground is soaked. The wet soil will enable your metal detector to absorb signals from deeper parts of the ground.
2. With metal detecting, patience is very important. For every treasure or valuable item you find, you would’ve stumbled upon a dozen other items that are totally useless. It’s all about being patient and looking really hard.
So start metal detecting now! Who knows what kind of treasures you’ll find in your own backyard?
Garrett Metal Detectors
For 45 years now, Garret Metal DetectorsTM has been the leading manufacturer of metal detection products for treasure hunting and security purposes. It is a family business based in the US widely popular for manufacturing the best metal detectors in the market.
Garret metal detectors are easy to use and have high accuracy and efficiency as they use the best technology out there, with manufacturers dedicated to ensuring customer satisfaction. There are a number of Garret metal detectors available in the market:
Garret Ace 150 Metal Detector
It features a 6.5” × 9”PROformance search coil, a clear audible target identification and a LCD screen where you can adjust sensitivity and depth detection level.
Garret Ace 250 Metal Detector
It features a 6.5” × 9” PROformance search coil with a coil cover, automatic ground balance and electronic pinpointing to precisely locate the target. It has speed recovery.
Garret Ace 350 metal detector
The ultimate big brother among the Garret Ace metal detectors. It has an 8.5”× 11” PROformance Double D search coil. This DD configuration improves the ground balance of the machine by reducing effects of highly mineralized ground and seawater. This leads to greater detection depth,making it possible to detect small sized objects like coins when they are deep buried.
It has good discrimination ability and gives excellent scanning coverage. Its tip and tail design extends its scan area, giving better search along obstacles.
Garret AT Pro Metal Detector
This is an all-terrain metal detector, with exclusive Garret technology making it outstanding in treasure hunting. It has professional and standard search modes, with excellent audio features. It is waterproof and hence can be used for beach treasure hunt.
It has a digital Target ID which makes its discrimination on point, enhancing its ability to separate targets from trash.
Garret AT Gold Metal detector
Features 5”×8” DD search coil, Motion All Metal Detector mode, manual and automatic ground balance, water proof ability up to 10 feet deep, Audio Target ID and two discrimination modes. All these features make it suitable for prospection of gold in the most challenging environments.
Garret Sea Hunter Mark II Metal Detector
Despite being a pulse induction metal detector, it has excellent discrimination abilities. It has a trash elimination technology which eliminates foils without any significant effect on sensitivity for treasures on hunt in Discrete Elimination Mode. It is waterproof hence suitable for treasure hunt on the beaches, lakes, rivers and oceans.
Garret Infinium LS Metal Detector
Features a 10”× 14” DD search coil and is suitable for treasure hunting on land and sea (LS). It can be used to search for coins, gold nuggets, relics and other treasures everywhere, even in sea depths of up to 200 feet.
Garret ATX Metal Detector
Features 20” DD coil that gives enhanced detection of tiny gold nuggets. It is waterproof up to 10 feet. It has advanced ground balance and iron check. It features all military specifications for a metal detector including a military grade Garret hard case.
Garret GTI 2500 Pro Metal detector
It has a Digital Signal Processing (DSP) chip with secret technology that has made it the most important metal detector in the market so far. It has a precise size and depth detection mechanism that will tell you whether the target discovered is a treasure or junk. It will tell you whether a coin is a penny, nickel, dime or dollar.
It features an eagle eye pinpoint, 9.5/ 12.5 imaging coil and can scan up to 20 feet.
Garret Pro-Pointer AT Pinpointing Metal Detector
It is an all- terrain waterproof (up to 10 feet) metal detector, making it suitable for beach and underwater treasure finding.
Garret Pro-Pointer II Pinpointing Metal Detector
It is fully submersible, can be used in all terrains and provides versatility for locating and pinpointing metallic targets. It has 360° side scan detection area, automatic tuning and patented proportional audio/vibration pulses that indicate target.
Garret CSI Pro-All Terrain Metal Detector
It is an all- terrain metal detector with a digital track ID, continuous depth indicator, it’s waterproof, high iron discrimination and features a graphic target analyzer. Has superior detection of small sized targets.
Having access to the best metal detectors is a requirement in most facilities, mainly because of security reasons. Since iron age, metal items can be found in almost every installation you will find today. Various metals are used in construction works, in manufacturing of many essential products. Metals are so essential that it is almost impossible to imagine a life without them. The importance of metals and the dangers associated with metals come in equal measures. This is why we need metals detectors.
The AT PRO is a high range detector fully waterproof up to 2 meters. With its high frequency of 15 kHz, the detector is ideal for research of any target on any terrain. Multitone (3 colors), it allows sound discrimination according to the metallic nature of the detected target. Its screen allows accurate target identification via an index matching conductivity as well as an indication of the depth in centimeters cursor. Meanwhile, it provides a precise localization of the target.
Scope of delivery
Why rent a metal detector?
There are several reasons that may lead to consider renting a metal detector. The first is the desire to detect a family treasure hidden on his property. In this case, renting a metal detector is not the best solution, because hidden treasures requires both the use of professional equipment that is not available for rent, as ground radar or pulse induction (only available devices called “leisure”), and a great experience to set up and use the equipment. Indeed, the detection in and around homes is one that poses, by far, the most technical difficulties due to electromagnetic interference and many metal surface pollution that will make masking the larger but more deeply buried targets. In this case, the best thing to do is go directly to our team of professional treasure researchers, it will save you time and unnecessary expenses especially you.
The second is to learn about detection, without investing a lot of money upfront. The rental is with this in mind a good choice, because it allows time for a weekend and inexpensively, browse fields and forest making his first metal finds. IT must then consider renting a mid-end device with good brand, a device called “leisure”. The models that I recommend are: Tesoro silver saber, Garrett ace 250, Garrett EUROACE, Minelab Xterra 305 and XP ADX 150. They already have an excellent performance for the detection of single currency, while fairly simple to set up and use. Avoid renting a metal detector top-notch, as you’d lost in the settings and the result would be to turn away quickly detection. When choosing a device, it must give priority to those who have a good ability to remove ferrous metals, what is called discrimination. In the context of the detection of leisure, rather than power, it is the right ferrous discrimination that should be preferred. Another important aspect to consider is the weight of the device, especially if you intend to introduce young children to detect.