"This is a biometric sensor we've had online for past month or so. It detects irregularities in biometric rhythm and reports them."
Radek Zelenka[src]

The Biometric sensors are a type of sensors that not only detect Life Signs, in addition, are capable of differentiating between life signs of different races, like Goa'uld and human, etc.

Only two races are seen capable of this feat.

Atlantis Biometric Sensor Array[]

The biometric sensor array is a console found in Atlantis that was moved to Stargate Operations by the Atlantis expedition in their first year. The console activates the internal (and external) sensors and is able to locate and differentiate between life forms. The console was activated after being touched by Chaya Sar (who was an Ancient) which led Dr. Rodney McKay to believe she was not who she claimed to be (SGA: "Sanctuary"). Later that year the device was used to locate a Wraith hiding in the city. (SGA: "The Siege, Part 1")

The array was used by Rodney McKay to locate John Sheppard who was turning into a bug creature mid-2005. (SGA: "Conversion")

It is unknown if other Ancient ships possessed this type of sensor array. The transparent console surface contained an almost microscopic lattice of interconnected sensors. These used a mixture of micro-lasers, electromagnetic resonators and advanced sensing mechanisms.

When a user's hands made contact with the array, these lattice points would fire rapidly in sequence, scanning the user at the most minute biological levels. They could detect the tiniest electric currents flowing through skin, muscles and nerves with incredible precision. In fractions of a second, this created a unique multidimensional "bio-signature" tracing the user's distinct neural pathways, blood vessel mapping, sweat pore topography and other intrinsic physical markers. The array would then compare this signature to authorized user profiles stored in the console's database.

Once it authenticated and established contact, the biometric sensors became attuned to the user's every motion and neural impulse just below the skin. Even the subtlest muscle flexes, electric field fluctuations or changes in pulse became a kind of natural control interface. Paired with the ancient interfaces, this let a person's thoughts translate fluidly into holographic selections, menu activations, system controls and more with remarkable speed and precision.

Asgard Biometric Sensors[]

The asgard possesses biometric sensors capable of distinguishing human/Goa'uld even from the orbit in all his ships, and in a lab of the Adara System.


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