The Alco-Sensor FST and Alco-Sensor VXL Drink Sniffer is used in conjunction with the passive test modes of the Alco-Sensor FST and Alco-Sensor VXL to sample a drink for the presence of alcohol.
Attach the drink sniffer accessory and place the device in passive test mode and wave it over the beverage. The device will pull in a sample of the air and display a positive or negative result.