AT188 Digital Liquid Crystal Alcohol Tester New Semiconductor Sensor Portable Police High Precision Alcohol Test Tool Sensor type Semiconductor alcohol sensor Measuring range: 0~2.00g/L; 0~220mg/100mL) 0~0.20%BAC(0~1.00mg/L;0~2.00%BAC Resolution 0.001%BAC Warm-up waiting time about 35 seconds Working environment conditions Temperature: 0~50 Humidity: 93% Storage Environment Conditions Temperature: 0~70 Humidity: 93% Display LCD Battery parameters 1.5VAA dry battery (2 sections) Host size 123mm X44mm X19mm Indication error Alcohol gas concentration range: 0.05%BAC Product Description High precision reading Alcohol breathalyzers give you extremely precise information about your blood alcohol content (BAC) from a simple breath sample. Blow into the mouthpiece when the screen says "blo" and stop blowing when you hear a beep. If your blood alcohol level exceeds the upper limit, an audible alarm will sound to alert you and the light will turn red. Small and practical This is a very small and lightweight alcohol tester that can easily be carried around in your pocket or purse for your convenience. It has an accuracy level of 0.01BAC% for the 0.08 BAC % range test. Not only easy to use and accurate, but also smart. Intelligent power-saving design, battery under-voltage indication, automatic shutdown if no operation for a long time. It runs on 2 1.5V AA batteries (included). Suitable for home and professional use Easily monitor your own and your family's alcohol levels to ensure you can drive home safely. Professionals can also benefit from an alcohol breathalyzer. Keep an eye on your employees to prevent workplace injuries and implement zero alcohol tolerance at work or in a treatment center, where you can keep track of everyone's records to help them recover. Precautions 1) Prevent the machine from falling from a height or being subjected to severe vibration 2) If the test is performed under the condition of displaying the undervoltage symbol, the displayed value may deviate slightly from the actual value 3) In order to ensure that the test results truly reflect the alcohol concentration in the blood, please drink 15 minutes after drinking. carry out testing 4) If it is turned on for the first time after being placed for a long time, the first test of the wine detector may be slightly deviated 5) During the continuous test of the alcohol detector, if you blow air immediately after drinking, it will detect the mouth. Gas in the cavity (excessive concentration). The high concentration of alcohol gas in this test may remain in the blowpipe, which may affect the next measurement accuracy.