Breathalyzer

Alcoscan AL-7000

personal, semi-conductor gauge, the display, up to 4 ppm, power supply: car cigarette lighter/battery

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Alcoscan AL-1100

personal, semiconductor sensor, 0.2-0.5 ppm

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Alcoscan AL-2000

personal, semi-conductor gauge, the display, 0.2-1 ppm, 2 measurements per day, a food: batteries

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