What To Look For In A Portable Metal Detector | Electronics

By AnnTriune
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Like a regular metal detectors, a portable metal detector is made to find metal objects. However, the portable one is designed specifically for more personalized use such as searching for metal or weapons carried by people, clothes, bags, or other objects.

Portable metal detectors are designed with sensitive surfaces and special shapes for their specialized functions. They are used to find metal, live wires, and wood-stud location in houses. They can also be used for security in business establishment.

Portable metal detectors can either be hand held or walk-through. Hand held metal detectors are small and lightweight, and can be carried in one's pocket or around the wrist. Some walk-through metal detectors are collapsible or fldable and are easy to set-up. They can be functional within five minutes. They also come in small carry-on bags.

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

The indicator light will flash if the metal detector battery is low or has insufficient voltage. Models with rechargeable batteries take four to six hours to charge. Fortunately, portable metal detectors do not consume too much energy when in use, so you do not need to charge everyday.

A metal detector is not designed to locate or pinpoint the location of metal objects or implants inside the body. There are other devices made to do that instead.

Indicator lights glow either green, amber, or red. Green light means the device is on, amber means low battery, and red light is for alarm. Some models flash red and emit a sound at the same time. However, the metal detector cannot determine if the object is magnetic or non-magnetic.

Check that the portable metal detector conforms to the international standards applicable for electrical safety, EC regulations, and EMC. This will make sure that the device has been tested to work properly and is guaranteed to be free of defects. If something does go wrong with the metal detector, it will be easier to replace.

A portable metal detector can be of personal or business use, so operators do not need special training. They are not meant to invade privacy, but to ensure safety and protection in security-sensitive places such as airports, banks, bars, businesses, courtrooms, malls, schools, and other public areas.

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