Discriminator Ii Metal Detector by

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To use a metal detector, stand in a comfortable position and extend or retract the stem so that the coils hover just above the ground when you hold the unit. Walk slowly as you swipe the machine from side to side.
Metal detectors create a magnetic field by using a brief pulse of electrical current. The magnetic field will be reflected back to the machine if there are any metal objects present, such as a watch or a belt buckle. The return signal is detected by the machine and a beeping noise is produced to alert the TSA agent.
For the walk-through metal detector, the generated energy is in the form of a magnetic field. The interaction of the generated magnetic field with certain types of objects in the portal region of the detector and the ability to detect this interaction is the basis of operation for walk-through metal detectors.
The working principle of a gold detector is that it transmits electromagnetic fields into the ground. It then processes the signal that is coming off that field based on how it reacts to pieces of metal that are buried beneath the ground.
Many detectors can chatter from EMI when set to the maximum sensitivity or gain levels. Especially if you live in the city around large power lines and multiple WiFi and cellular signals bouncing around the area. Less is more for the first time user. Set it to 7 of 10 or (70 of 100) as a good starting point.
The most common technique is to slowly sweep the detector back and forth across the ground. The detector`s magnetic field will cause any metal objects in the ground to create an electric current.
Stainless steel, by definition, has a low magnetic permeability, which means that it does not produce a signal strong enough to be recognized. Other items that a metal detector will not detect are gemstones, pearls, bones, diamonds, paper and stone figures.
Metals That Can`t Be Detected

Stainless steel has low magnetic permeability, which means it does not produce a signal strong enough to be detected. Other items that metal detectors won`t be able to locate include: Gemstones. Paper.

Metal detectors use electromagnetic fields to passively or actively detect the presence of metallic objects. Passive detection measures the changes in the Earth`s magnetic field caused by an object.
Each detector has a transmitter that energizes a search coil. A receiving coil detects metal objects, which have eddy currents in them due to the search coil`s field. “These receiving loops are positioned in a particular way that the primary transmitting field is canceled out,” Podhrasky said.
Q: Will any metal detector find gold? Yes. Most metal detectors are capable of finding gold but some will do a much better job than others. Since gold has rather low conductivity, metal detectors that use higher frequencies will spot gold better than low-frequency detectors.
Gold can be found at 14 kHz and higher. At frequencies between 3 kHz and 7 kHz, silver, copper, and brass can be found. At frequencies between 4 kHz and 8 kHz, nickel and aluminum are most readily found.
The best frequency for metal detecting is somewhere in the range of 5 kHz to 15 kHz. This range is where most general-purpose metal detectors are tuned too, and also the easiest to manage for beginners. Nevertheless, you can always get more specialized detectors once you have mastered the basics.
Prospecting Mode

The last type you may see on a metal detector is a prospecting mode, which is used for hunting gold. You won`t need to use this mode unless you`re in an area where gold is naturally occurring.

Metal detecting may seem easy to learn, and the hobby is simple. Nonetheless, there are a number of mistakes that people frequently make when first starting out. If you`re going metal detecting for the first time, avoid these seven mistakes to increase the chances of finding something valuable.
Metal detecting may seem easy to learn, and the hobby is simple. Nonetheless, there are a number of mistakes that people frequently make when first starting out. If you`re going metal detecting for the first time, avoid these seven mistakes to increase the chances of finding something valuable.
Like the number chart you`ve seen earlier, the tone of beeping of your metal detector follows a similar pattern. Low pitches usually indicate low-value metals, while high pitches indicate high-value metals like silver and gold.
Metals such as iron, nickel and cobalt are detected by passive and active metal detectors. Other metals, such as copper, brass and aluminum, are detected only by active means. Walk-through metal detectors are categorized as single-zone or multiple-zone.

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the most relevant questions and answers related to your specific issue

Bought a famous trails metal detector and when installing batteries and turning it on the needle shoots all the way to the left.Nothing will move it nor will it detect anything.the manual says something about resetting it but doesn’t say how.Does anyone know what the problem could be??/Thank you
ANSWER : I have a metal detector similar to a Famous Trails.

This would indicate that your sensitivity switch is set to full high. Try rotating the sensitivity switch to the center. There should be a button just below the meter which, when pressed, causes the needle to center.

With sensitivity set to mid range and the needle centered, the buzzer should not be sounding unless the coil is near some sort of metal.

Make sure all of the other knobs, if any, are also centered.

A Radio Shack Metal Detector
ANSWER : Http://support.radioshack.com/productinfo/DocumentResults.asp?sku_id=63-3006&Name=Metal%20Detectors&Reuse=N

Precision Gold Metal Detector With Digital Display Set Up
ANSWER : Instruction manual for the precision gold metal detector: go to www.maplin .co.uk. then type in L24BK into the product search. the metal detector will come up.then go to bottom of page where it states “media” if you click here a pdf of the instruction manual will come up for download.

I need the operators manual for a discriminator detector md-3013 metal detector
ANSWER : Http://weien.ecpush.com/

here is the supplier of this model..it is made in china

Where do I find a Metal detector manual?
ANSWER : What make and model is it

I need a manual for bounty hunter quick draw 2 metal dector
ANSWER : You can download the full users manual at http://www.detecting.com/products/
here is the link to your quick draw II detector:
If you want to purchase a hard copy of the manual look on eBay under Bounty Hunter Manual cost is around $6.

Md 3006 metal detector
ANSWER : Try hitting the reset button to center the needle in the meter then adjust the sensitivity knob to lower the sensitivity. Double check all your switches to make sure they’re where they should be.

Finally, remove the batteries completely. If they’re not alkaline, replace them.

If none of this helps, check the web to see if Famous Trails offers customer service or technical support. If they do, contact them to see if they know how to solve the problem.

The third option is to take it to a local electronics repair shop. The circuitry on metal detectors, especially the low end ones like Famous Trails, is not terribly complicated and a good electronics guy should be able to fix it fairly inexpensively.

Be sure to get a repair estimate then weigh the cost of repair against the cost of replacing it with a new one.

I’ve had this happen to my low end metal detector and when I went through all of the original set-up steps, I was able to clear the problem up myself.