Alcoscent DA-8000
personal, electrochemical gauge, the display, up to 5 ppm, up to 2.5 mg/l to 0.5 YOU, power supply: batteries
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Breathalyzer
Alcoscent DA-7100
personal, electrochemical gauge, the display, up to 5 ppm, up to 2.5 mg/l, power supply: batteries
Rating:
Alcoscent DA-7000
personal, semi-conductor gauge, the display, up to 4 ppm, up to 0.4 YOU, power supply: batteries
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