Counterfeit money continues to be a growing problem.

Counterfeit Money DetectorsWe recently brought out several counterfeit money detectors to see how effective they were against fake currency. We tested out money from local businesses and banks. We also threw in a few sheets of blank paper.

The counterfeit detectors did their job and were able to decipher real from fake. This is especially hard with today’s technology.

Copy machines, high-resolution printers, scanners and more can make it easy to copy money. Criminals can use just about any personal computer to try and copy bills. Many bills appear legitimate and may be difficult to verify with the naked eye. Counterfeit bill detectors use a variety of methods to verify money.

The three most common types of counterfeit detection methods are UV (ultraviolet), WM (watermark) and MG (magnetic). UV detectors have a dark light that makes built-in features in tangible currency light up and appear yellowish green. Watermark detectors have a built-in light that allows users to see watermarks such as a face. MG detectors detect magnetic ink that is in U.S. currency. When a bill is slid over the MG detector, a light or other indicator will let the user know if it is authentic or fake.

The pen detector is another widely used device. It uses a chemical solution that uses coloration to determine bill authenticity. Magnifying glasses are also a great way to pick out minute details that a printer can’t easily reproduce.

Many criminals are bleaching five-dollar bills and printing 50 and 100-dollar denominations on the paper. This makes the bill feel real and will even pass through some counterfeit detectors. It is recommended to use a detector that implements several detection methods or a combination of several counterfeit detectors.

You can see all our counterfeit detectors by going here.

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