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It is necessary to test a metal detector to be sure that it is working properly at the agreed sensitivity. To test the detector, pass product containing small metal test pieces of an exact size, through the detector. Confirm the samples are detected and rejected.
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.
Setting your metal detector to achieve the best sensitivity for your needs requires adjusting the frequency settings. Finding the right balance is challenging because low sensitivity settings won`t find contaminants, and high sensitivity settings will result in too many rejections.
Do metal detector apps actually work? In short, yes, they work. Many Android apps come equipped with a magnetometer. It`s mostly used for stuff like GPS or part of the compass functionality.
Metal detectors are not calibratable. There is no standard to which a metal detector can be set. Of course, that might sound odd, because we use metal detectors to find a specified size of metal, whether it is ferrous, non-ferrous or stainless steel.
A typical metal detector`s best frequency for coins jewelry and relics is between 5 kHz to 15 kHz. This is the range where you will find most metal detectors for general-purpose are tuned.
There are two primary types of security metal detector used in public: Hand held metal detectors or security wands.
Metal Detector works by measuring the magnetic field around the location of your Android phone. It begins with a baseline measurement, then when it detects a metal, the measurement goes up and the color changes from green to red.
Metal detectors work by transmitting an electromagnetic field from the search coil into the ground. Any metal objects (targets) within the electromagnetic field will become energised and retransmit an electromagnetic field of their own.
85438910 – Metal detector HS Code and Indian Harmonised System Code.
DISCRIMINATE, NOTCH, and AUTO NOTCH modes

In any of these three detection modes, the detector will emit different tones, depending upon the type of metal present. The characteristics are adjustable. Depending on the detector control settings, some metals will also be eliminated from detection.

Inductive proximity sensors can only detect metal targets. They do not detect non-metal targets such as plastic, wood, paper, and ceramic. Unlike photoelectric sensors, this allows a inductive proximity sensors to detect a metal object through opaque plastic.
Strong magnets are used by a wider audience to help identify metals. Everyone from coin collectors to metal detecting hobbyists use strong magnets as another clue in identifying metals. They help even with metals that don`t stick to magnets!
Metal detectors have a tough time detecting metals like stainless steel, which have very poor electrical conductivity. 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.
Metal detectors are engineered to identify the presence of iron, non-ferrous metal, or stainless steel within a product stream, and once detected, reject the contaminated product. Unfortunately, it can happen that detectors erroneously identify metal where there is none, leading to the destruction of good products.
Beyond moisture content, the temperature can have a significant impact on the detector`s function. A frozen product isn`t likely to cause disruptions because of limited conductivity. However, if the product begins to thaw, condensation can influence the coils` magnetic fields within the metal detectors.
Each number on the VDI scale corresponds to a certain type of metal. As the number increases, the more conductive the metal will be. For example, a VDI of 40-45 generally means you`ve found an aluminum can. A VDI of 60-70 is a pull tab from a soda can.
Then, the sensitivity is calculated by using the formula S = Δθ/ Δn, where Δθ and Δn are difference in resonance angle and change in RI of sensing medium.
Detector sensitivity is a measure of how efficiently radiation is converted into a useable signal (i.e.”counts”). Especially in low radiation fields, our highly sensitive detectors improve the signal to noise ratio, which results in Berthold`s superior measurement performance compared to competing systems.
Most metal detectors can detect objects about 4-8ʺ (10 – 20 cm) deep. In ideal conditions, a mid-range metal detector can reach 12-18ʺ (30-45 cm) underground. Some specialized detectors can go as deep as 65` (20 m).
The threshold frequency ν0 for a metal is 7.0×1014 s−1.
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.
For example, if you are searching for gold you need a metal detector which is operating at a frequency that is at least 14 kHz but preferably as high as is possible. The reason for this is that gold is often only found is small pieces. Furthermore, gold is not very conductive.
A realistic depth to detect a fair size nugget is around 1,5 meters with the best gold prospecting machine on the market, the Minelab GPX5000. Depending on soil condition and nugget size a 1,5 meter depth is a realistic max depth for a large nugget. Deeper than 1,5 meters is not realistic.

Discover Relevant Questions and Answers for Your Specific Issue

the most relevant questions and answers related to your specific issue

I need a manual for my bounty hunter metal detector
ANSWER : You can download the full users manual at http://www.kellycodetectors.com/pdf/manuals/pioneer505.pdfIf you want to purchase a hard copy of the manual look on eBay under Bounty Hunter Manual cost is around $6.

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

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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:
http://www.detecting.com/pdffiles/qdiiman.pdf
If you want to purchase a hard copy of the manual look on eBay under Bounty Hunter Manual cost is around $6.

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Manual Detector de metal Bounty Hunter Gold Digger Metal Detector
ANSWER : You may download a copy of the manual here.

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I need a user’s manual for the Bounty Hunter Pioneer 202 metal detector,can you tell me where i can find one . Free to download or buy cheap?
ANSWER : You can get the manual on the link below.

http://www.detecting.com/manuals/pioneer-202.pdf

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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.

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

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My name is Elena Jones, and I am a blog writer who loves sports and fixing and troubleshooting sports machines.
I also love the challenge of fixing and troubleshooting sports machines. I find it satisfying to be able to take something that is broken and make it work again.