Metal detectors for searching metals in the ground

In summary, metal detectors are devices used to search for metal objects in the ground. They work by emitting electromagnetic fields and detecting disruptions caused by metal objects. The frequency used is typically around 8 kHz, which does not pose any health risks. The most important characteristic of a metal detector is its ability to accurately detect and locate metal objects.
  • #1
m82
1
0
Metal detectors for searching metals in the ground

How they work in one sentence explanation?

and second,
I've seen some frequency of about 8 kHz mentioned,could that be any possible health risk?

Please discuss, thanks.
 
Last edited:
Physics news on Phys.org
  • #2
m82 said:
Metal detectors for searching metals in the ground

How they work in one sentence explanation?

and second,
I've seen some frequency of about 8 kHz mentioned,could that be any possible health risk?

Please discuss, thanks.

Welcome to the PF.

You can find that info with just a little searching via Google or other similar websites. Here is a basic introduction with other links:

http://en.wikipedia.org/wiki/Metal_detector

Let us know if you have any specific technical questions after you read the introductory material.
 
  • #3
The only health risk is that you can get run over by cars while not paying attention to where you are walking.

I'm totally serious.

That and a bad sunburn on the back of your neck.
 
  • #4
admin Borek you can easily delete this whole thread, no problem

regards
 
Last edited:
  • #5
m82 said:
i'd like to ask also what would be the most important characteristic/function of a metal detector?

Why do I have a feeling you are trolling?
 

1. What is a metal detector and how does it work?

A metal detector is an electronic device that uses electromagnetic fields to detect metallic objects buried in the ground. It works by sending out a magnetic field from its coil and then detecting any changes in the magnetic field caused by nearby metallic objects. This information is then transmitted to the control box, where it is interpreted and displayed to the user.

2. Are all metal detectors the same?

No, there are different types of metal detectors that are designed for specific purposes. Some are designed for general use, while others are specialized for certain types of metals or environments. Some metal detectors also have additional features, such as discrimination settings, to help differentiate between different types of metals.

3. How deep can a metal detector detect objects?

The depth at which a metal detector can detect objects depends on a variety of factors, including the size and shape of the object, the type of metal, and the soil conditions. In general, most metal detectors can detect objects up to 12-18 inches deep, but some specialized detectors can reach depths of several feet.

4. Can a metal detector find all types of metals?

Most metal detectors are able to detect a wide range of metals, including common metals like iron, copper, and aluminum. However, some metals, such as stainless steel or gold, may be more difficult to detect due to their composition and size. Additionally, some detectors may have settings that allow them to discriminate against certain metals, making it easier to find specific types of objects.

5. Are metal detectors only used for treasure hunting?

No, metal detectors have a variety of uses beyond just treasure hunting. They are commonly used for archaeological research, construction projects, and even in industrial settings for quality control and safety purposes. They can also be used for hobby purposes, such as finding lost items or coins in public spaces.

Similar threads

Replies
10
Views
5K
Replies
2
Views
935
  • Introductory Physics Homework Help
Replies
21
Views
651
Replies
2
Views
1K
Replies
8
Views
2K
  • Introductory Physics Homework Help
Replies
3
Views
898
  • Chemistry
2
Replies
39
Views
3K
  • General Discussion
Replies
12
Views
957
  • Materials and Chemical Engineering
Replies
3
Views
1K
Replies
1
Views
3K
Back
Top