AL-3500 Fuel Cell Sensor addon-mouthpieces-for-the-al-2500-elite-only You simply replace the Patented

You simply replace the Patented Sensor Module and in seconds the unit is like new again

and NHTSA standards)

semi-conductor only)

This allows you to store breath alcohol test results to your computer (Windows PC only) and export results conveniently to Excel

AL-3500 Fuel Cell Sensor addon-mouthpieces-for-the-al-2500-elite-only You simply replace the PatentedFuel Cell sensor module for Al 3500 ONLY! Sensor life usually around 1000 tests. Simply change the sensor in seconds. Fuel cell sensor life is average of 1000 tests compared to the Semi conductor sensor life which is average of 400 tests for each sensor. Installs in seconds, just snap out and snap in!