All of us are probably aware about the metal detector and its uses. They play a very important role in security in military,defence or at airports for checking and inspecting about any objectionable items of metals like knives,weapons etc.There are many types of metal detectors available in the market. Metal detectors are also installed in the shopping malls and many important public places. Those which are preinstalled as a door detector are very heavy and are not handy but the hand held detectors are easy to use.
Metal detectors have a coil inside them which work on the principle of electromagnetism. It creates a magnetic field on which the metal objects responds and a beep sound occurs.
Metal detectors are generally very expensive especially those which are used for security purposes.They are expensive because the parts which are used in high end metal detectors are of very good quality because otherwise it may not give accurate results.
Even if your budget is low and you want to own a metal detector for hobby,then also you can own one as there are inexpensive ones also,however it is not advised to use those for security purposes because sometimes it might not give the accurate results. The Main problem with the inexpensive ones is not inaccuracy because most of such devices are accurate;however the problem with them is that these get worn out over a period of 2-3 years only. If one wants to own for his/ her hobby,then he can opt for such inexpensive ones to do treasure hunting in field trips and camping. Those who own metal detectors for recreational use, do it for treasure hunting and finding items such as coins that are made up of gold, brass,silver and other items such as watches and artefacts.This is a very constructive form of time pass when you are outside your home, where you can collect many such things. If you have any friend or relative with an inquisitive mind, then you can gift him/ her metal detector which he or she will surely love. It is fun to own a metal detector because you can flaunt it among your friends and also show your collection done through it. Ace 250 is a very high quality metal detector whose accuracy is perfect .This device is very much in demand in the recent times.