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FRUITFUL STORE
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Since the surface of the sensor will be oxidized when the tester is not used for a long time, when the tester is taken out of the package for the first time or the tester is not used for a long time, the user needs to preheat the product as many times as possible, and then perform the alcohol test How to use the alcohol tester: Preheat: 1: Press and hold the power button for 1 second, after a beep sound, the LCD screen of the tester will be activated 2: Preheating" characters appear on the LED display, and the numbers start to count down from 10 to 00. testing method: 1: After "preheating" is completed, enter the "Blowing" state, the display shows the characters of blowing, and the number starts to count down from 10 to 00. 2: Blow air at any time of the countdown, after the machine senses the air, the buzzer "beep" will prompt to stop blowing. 3: Read the test results from the display of the tester. 4: If the alcohol concentration result is Omg/L, the warning light will not light up 4: If the alcohol concentration is below the display range of the result, the "safe" characters will appear on the display and the green warning light will be on. Alcohol concentration>Omg/L BrAC Alcohol concentration
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