How Biometric Locks Work and How You Install Them

Until recently, biometric locks were the stuff of science fiction. Today, though, they are an increasingly common security solution. Retina scanners aren’t yet in common use, but fingerprint scanners are now amazingly prevalent. Here’s what you should know.

Human fingerprints are unique, so a biometric fingerprint lock allows access only to the individual who has the proper fingerprint. There are a variety of ways of accepting fingerprint scans. Optical scanners rely upon a photo of the mic, capacitor scanners make a digital fingerprint mold, and ultrasound scanners really penetrate the surface layer of skin using high sound waves.

Optical scanners can be fooled with a photograph of the fingerprint, and capacitor scanners could be tricked with a fingerprint mould, but ultrasound scanners are almost impossible to defeat.

Multiple factor authentication, as its name suggests, requires consumers to present more than 1 kind of authentication to gain access. Many biometric locks need two factor authentication, of which factor is the fingerprint. Typically, the next element is that a keypad code. This is particularly important when working with optical or capacitor scanners, which may be duped, and if high security lock is vital.

Pros and Cons of Biometric Locks

The major benefit of a biometric lock is that it utilizes a keyless “key” that is part of the human body. There is not any risk of forgetting your mic when you leave work or having your fingerprint break off in the lock. In addition, biometric locks can typically save multiple fingerprints and are comparatively straightforward to reprogram in the event you need to delete or add a user.

Besides the simple fact that a number of kinds of scanners can be conquered, the biggest drawback is that biometric locks require electric power. Residential biometric locks typically utilize batteries, which can operate out of juice at an inconvenient moment. For this reason, these locks normally possess a manual override key.

Another danger is that the lock might not recognize your fingerprint. This is most likely to occur when you’ve got a deep cut in your finger, and it might become permanent if you develop a scar. Use your manual override key and stick to the lock manufacturer’s instructions for reprogramming the lock using a different finger.

Where to Install Biometric Fingerprint Locks

Biometric locks may be used in both residential and commercial applications. They are frequently used on exterior doors, as well as interior doorways that lead to restricted access locations. Other common applications include computers, safes, and padlocks. Some companies even install biometric locks on time clocks to prevent time fraud.

Things to Consider

Not all of biometric locks will be the same. Keep these considerations in mind when choosing your lock:

False Rejection Rate: That is how frequently the lock rejects legitimate, already memorized fingerprints.

Material: Aluminum locks may be broken or removed altogether. Look for a steel or brass lock that’s a lot more difficult to damage. Also consider the strength of this doorway. A powerful lock does little good if a burglar can simply kick in the door.

Lock Structure: A deadbolt is one of the safest types of locks, though mortises work as well. Choose a biometric lock with strong, solid mechanical components.

Alternative Operating Procedure: Whether it is an override key or a keypad, ensure there is a method to start the lock if the fingerprint scanner fails.

Biometric locks are rather complicated, with distinct mechanical parts, materials, and attributes. It’s best to seek guidance from an experienced locksmith to ensure that you receive the ideal biometric lock to suit your unique needs.

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