Requests breath sample,
Prior to starting the engine, the Dräger Interlock XT
requests a breath sample. If alcohol is detected above the
state's legal limit, the immobilizer system prevents the
motor from starting. Otherwise, the starter is activated for
the driver to start the vehicle. The device will also prompt
the driver to retest periodically while en route. The device
will not disrupt the engine function once the engine has
been started, but the event will be recorded. Some states
require the horn to sound and / or the headlights to flash
if a retest is failed.
To avoid long waiting periods, Dräger put emphasis on the
Interlock XT being ready to use. Its functionality is as
good at -40 °F or +185 °F as it is in normal conditions. The
name affix "XT" stands for "eXtended Temperature".
All events recorded in a data memory
The data memory records more than 30,000 events and can be
read via special PC software.
The Dräger Interlock XT determines the breath alcohol
concentration via an electro-chemical sensor system. The
device is responsive to alcohol only.
Safe from manipulation
The device immediately detects any attempt to use
auxiliaries, such as air pumps or filters to bypass the
Dräger Interlock XT. In such case, it will prevent the motor
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