Daewoo AT502
personal, semi-conductor gauge, the display, up to 2 ppm, a food: batteries
Rating: 
Brand
Brand history
Breathalyzer
Daewoo AT579
special, electrochemical gauge, the display, up to 1 mg/l, power supply: car cigarette lighter/battery
Rating:
Daewoo AT568
personal, semi-conductor gauge, the display, up to 1 ppm, an accuracy of 10%, power supply: batteries
Rating:
Daewoo AT567
personal, semi-conductor gauge, the display, up to 2 ppm, an accuracy of 10%, power supply: batteries
Rating:
Daewoo AT560
personal, semi-conductor gauge, the display, up to 0.4 mg/l, power supply: car cigarette lighter/battery
Rating: