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What To Look For In A Portable Metal Detector

Feb 17, 2008
A portable metal detector works the same way any regular metal detector does. The difference here is that unlike regular metal detectors that are used in many different ways, a portable metal detector is used to detect metal, weapons, or contraband carried by people, in bags, objects, or clothes.

These types of metal detectors have sensitive surfaces and special shapes that make them easier to operate. These can be used at home to detect metal, live wires, or wood stud location. They can also be used as body scanners.

There are two types of portable metal detectors-hand held devices and walk-through. The hand held metal detectors are easy to carry, since most of them come with a bag, a pouch, or a wrist band. They are also lightweight. The walk-through metal detectors can be folded and carried around in a small bag. They are also easy to set-up and can be used within five minutes.

A list of the technical features in a portable metal detector includes the following:

- 9V battery power supply - Adjustable sensitivity - Battery life in continuous operation is maximum of 50 hours with NiMH batteries, and 150 hours with alkaline batteries - Built-in buzzer with high-intensity pulsed acoustic alarm - Indicator lamps for power on, alarm, and low battery charge - Operating temperature of 5 to 140 degrees Fahrenheit (-15 to 60 degrees Celsius) - Relative humidity at 0 to 95 percent - Shock-resistant - Three-position switch with visible or with audible and visible alarms - Vibration function to enable silent work - Weighs 1 lb (0.4 kg), more or less

When the metal detector battery is running low, the indicator light will flash to alert you. Metal detectors with rechargeable batteries usually take four to six hours to recharge. Normally, portable metal detectors consume less power with each use. You do not need to charge too often.

Not all models of portable metal detector can find or pinpoint the exact location of metal implants or objects in the body. There are more sensitive devices made for that purpose.

Portable metal detectors have indicator lights and sounds to alert you of its status. If the indicator light is green, this means the device is switched on. If it is amber, this means the battery is low, and you will need to recharge before it dies. If the light is red, this means it has detected metal. Some metal detectors vibrate or sound off. A metal detector cannot determine if an object is magnetic or not, though.

To make sure the portable metal detector you choose works properly and is nt defective, check that it conforms to the international standards applicable for electrical safety, EC regulations, and EMC.

A portable metal detector can be used for personal or business reasons. Operators do not need specialized training to wield the devices. These metal detectors are not made to invade privacy. Security-sensitive places such as airports, banks, bars, businesses, courtrooms, malls, schools, and other public areas use metal detectors to ensure the safety of everyone.
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