Taser - Function

Function

The Taser fires two small dart-like electrodes, which stay connected to the main unit by conductive wire as they are propelled by small compressed nitrogen charges similar to some air gun or paintball marker propellants. The air cartridge contains a pair of electrodes and propellant for a single shot and is replaced after each use. There are a number of cartridges designated by range, with the maximum at 35 feet (10.6 m). Cartridges available to non-law enforcement consumers are limited to 15 feet (4.5 m). The electrodes are pointed to penetrate clothing and barbed to prevent removal once in place. Earlier Taser models had difficulty in penetrating thick clothing, but newer versions (X26, C2) use a "shaped pulse" that increases effectiveness in the presence of barriers.

Tasers primarily function by creating neuromuscular incapacitation; the devices interrupt the ability of the brain to control the muscles in the body. This creates an immediate and unavoidable incapacitation that is not based on pain and cannot be overcome. Once the electricity stops flowing the subject immediately regains control of his or her body. Most subjects after being tasered once will comply so as to avoid being tasered a second time.

Tasers also provide a safety benefit to police officers as they have a greater deployment range than batons, pepper spray or empty hand techniques. This allows police to maintain a safe distance. A study of use-of-force incidents by the Calgary Police Service conducted by the Canadian Police Research Centre found that the use of Tasers resulted in fewer injuries than the use of batons or empty hand techniques. Only pepper spray was found to be a safer intervention option.

  • The M-26 Taser, the United States military version of a commercial Taser

  • Police issue X26 Taser with cartridge installed

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