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First blow, then turns on the ignition
Prior to starting the engine, the Dräger Interlock® XT requests a breath sample. If the driver is alcoholized, the immobilizer system inhibits 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, however the event will be recorded. Some states require the horn to sound and / or the headlamps to flash if a retest is failed.
High measurement accuracy
The Dräger Interlock® XT determines the breath alcohol concentration via an electro-chemical sensor system as it is used in respective police measuring devices. The device is responsive to alcohol only.
Fast usability
To avoid long waiting periods, Dräger put emphasis on the Interlock® XT always being fast ready to use quickly. Its functionality is as good at -40 °F as at +185 °F under direct sunlight. The name affix "XT" stands for "eXtended Temperature".
Safe from manipulation
The device immediately detects any attempt to use auxiliaries as air pumps or filters to bypass the Dräger Interlock® XT. In such case, it will inhibit the motor from starting.
All events recorded in a data memory
The data memory records more than 30.000 events and can be read via a special PC software.