Breathalyzer Breath Analyzer Drunkometer Breath Test Breathalyzer
Transcription
Breathalyzer Breath Analyzer Drunkometer Breath Test Breathalyzer
Breath Test 1927 - Performed in lab, not available to public - Blow into football bladder containing chemicals - Alcohol in breath makes chemicals change color * Sober-meter Test Breath Analyzer 1927 - Handheld device - Smaller, cheaper version of balloon air mixing with chemical solution method 1931 - Blow into tube - Alcohol in breath makes chemicals change color Breathalyzer* Model 900a Intoximeter 1937 - Intended for law enforcement use - Advertised for wives to use - Blow into balloon to test their husbands 1931 1969 1967 Drunkometer - Balloon air released into chemical solution 1981 - Blow into tube - Breath reacts with chemical solution - Alcohol in breath reacts with chemicals - Destroys chemical color if alcohol present - Color fades if alcohol present - Requires 110-volt AC current to operate * Alcotest Kit® c. 1981 - Improved version of initial Breathalyzers - Uses infrared absorption to - Improved version of balloon air tests measure alcohol in breath - Made by Smith & Wesson 1969sold to until 1984 then the National Dräger Corporation - Microprocessor-controlled - Manufactured until 1997 1941 - Blow into balloon - Alcohol makes chemicals appear darker Breathalyzer* Model 2000 Alcometer - Blow through chemical tube into “bag” - Discoloration in the tube indicates how much alcohol is present 2014-15 * Part of the National Law Enforcement Museum’s Collection Breeze wireless Alcohoot smartphone smartphone breathalyzer tracks body reactions to alcohol breathalyzer Alco-Sensor® IV 1994 - According to Intoximeters, Inc. it is “the most widely used breath testing instrument today” - Screen displays step by step instructions Breathalyzer 1954 - Becomes the industry standard - More user friendly, durable and portable - Gives instant reading - Improved chemistry provides more accurate readings of alcohol levels Intoximeter EC/IR® II.t 2012 - Multiple processes measure alcohol in breath - Immune to radio frequency interference to ensure accuracy 2 - Also measures CO in breath for medical purposes