Breathalyzer

personal, semiconductor sensor, up to 1.9 mg/l to 0.19 for YOU, power supply: batteries

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special, display, 0.2-3 ppm, an error of 15%

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semiconductor sensor, display, up to 1 ppm, 1 mg/l, power supply: batteries

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personal, semi-conductor gauge, the display, power supply: batteries

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professional, semi-conductor gauge, the display, 0.01 to 4 ppm, an error of 0.01%, power supply: batteries

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personal, electrochemical sensor, display, power supply: batteries

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personal, electrochemical gauge, the display, 0.01 to 2 ppm, a food: batteries

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personal, semi-conductor gauge, the display, 0.01 to 1.9 ppm, power supply: batteries

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personal, semi-conductor gauge, the display, 0.01 to 1.9 ppm, power supply: batteries

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personal, semi-conductor gauge, the display, up to 1.9 ppm to 0.19 for YOU, power supply: batteries

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