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Biometric sensors can be used to capture various biometric characteristics such as fingerprints and faces, making them an important component for modern authentication methods. Choose the optimal biometric sensor for your purpose here!

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PLUX 3-Lead Electrode Cable (10 cm) UC-E6
Sale price19,50 €
Not in stock, available for backorder
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PLUX Biosignalsplux Electromyography (EMG) Sensor
Sale price140,00 €
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PLUX Biosignalsplux Electrooculography (EOG) Sensor
Sale price140,00 €
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PLUX Biosignalsplux Researcher Kit without Sensors
Sale price3.950,00 €
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PLUX Biosignalsplux Inductive Respiration (RIP) Sensor
Sale price795,00 €
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Sensorex Sensorex CS200 Platinum Conductivity Sensor K=1.0
Sale price152,55 € Regular price228,00 €
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What is biometrics?

The term biometrics comes from ancient Greek and refers to a science that focuses on measurements of people and other living things. In a technical context, it usually refers to biometric methods of identity verification. A typical example is unlocking a smartphone using a fingerprint or facial recognition. There are two methods:

Verification: users first enter a name or ID, after which their identity is verified using one or more biometric characteristics.
Authentication: here, biometric authentication is sufficient; it is not necessary to enter a name or similar data.

The advantage of this biometric process is that people have a wide range of unique characteristics. These include fingerprints, hand lines, irises and voices. These distinctive features can be used to carry out authentication easily and securely.

This is how biometric authentication works

Two components are used in biometric authentication processes:

the biometric scanner: This is used to capture the biometric feature. Depending on the method, users either use standard cameras or special biometric sensors.
a database: This is where the stored biometric data is located – either locally on the respective device or decentrally on a server.

Biometric authentication is based on hardware and software comparing the captured data with the data stored in the database in real time.

A wide range of biometric authentication methods

Numerous methods have been established for biometric authentication. They often relate to the following biometric characteristics:

- Fingerprint
- Face
- Iris
- Voice
- Gait
- hand lines

Heart rate and other physical signals can also be used for identification purposes. The methods and the required components differ. In some procedures, such as smartphone unlocking via facial recognition, the built-in camera records the biometric feature. However, this 2D method has certain security deficiencies, which is why premium manufacturers such as Apple rely on the more complex 3D method. To do this, the producers use infrared light sensors, among other things, to measure the face in detail.

When authenticating with a fingerprint, there is an even wider range of technologies. These sensors are suitable as fingerprint scanners:

- optical sensors
- capacitive sensors
- ultrasonic sensors
- thermal sensors

Biometric sensors in practice – examples

Smartphones are the best-known example of biometric authentication. When unlocking with a fingerprint or facial recognition, users benefit from a high level of security and user-friendliness.

Biometric identification plays an important role in many other technical applications. Access control systems deserve a mention: biometric data replace keys, chip cards and access codes. These access control systems also offer high security and ease of use.

Buy biometric sensors from market leaders

Do you need biometric sensors for your project? Do you want to set up your own access control system? Are you developing authentication modules for computers or machines? Here at EXP Tech, you will find the right sensors and complete biometric scanners from renowned manufacturers such as PLUX!

Understanding biometrics – your questions, our answers

Whether fingerprint, facial recognition or other biometric procedures – here you will find answers to the most important questions about biometric sensors and their possible applications.

Biometric sensors capture one or more biometric characteristics. The type of sensors and the way they work depend on the method: for example, infrared sensors and thermal sensors are used.

High-quality biometric sensors capture the respective biometric features in a detailed and reliable manner. The quality can be found in the technical data. The corresponding information varies depending on the type of biometric sensor.

Biometric data includes individual and unique physical characteristics such as fingerprintsFacial geometry and irises are also unmistakable from person to person. The same applies to voices and gaits, among other things. These two examples fall under the category of behavioural biometrics.

Biometric authentication methods are often fingerprint-, facial geometry-, iris- or voice-based. These systems have a wide range of uses: they can be found in mobile devices, access control systems or control displays for vehicles and industrial machinery. Passport authorities and security agencies also use biometric sensors to identify people.

Biometric authentication methods for smartphones are used to unlock the screen. In many cases, authorised users are identified using a fingerprint sensor on the display or the built-in camera (facial or iris recognition). Innovative manufacturers such as Apple are now using infrared sensors.

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