Alcoscan AL4000 Vending Breathalyser PRODUCT DETAILS Fuel Cell Accuracy- Its advanced Fuel Cell sensor provides exceptional accuracy and long lifespan to cater to high volume testing. Quality Assured - Australian Standard AS3547 Certified, highly suitable for workplace use. Highly Accurate Readings - Provides readings ranging from 0.00 to 0.40% BAC at an accuracy of +/- 0.005%BAC. Industrial Breathalyser - Ideal for high volume testing in the workplace, mining and construction sites, and venues. Solid Casing - Modern and robust design with solid plastic casing. LCD Screen Option - Choose to include an LCD screen (optional) for instructions or advertisements. Coin or Push Button Operation - Can be configured to push-button operation for workplace use or coin-operated for venues. Replaceable Sensor Module - Simply replace with a new sensor and ship only the old sensor back for calibration.