Sell Alcohol Tester

Alcohol Detector OPERATION INSTRUCTION
1. Features
Sophisticated, highly-selective semiconductor sensor providing highly reliable accuracy
3 digits digital LCD display(0. XX%BAC)
Wide detection range:0.01~0.40%BAC
Long-term stability
Short warm-up, response and recovery time
Audible alarm alerting user to positive test
Turn the switch ON(press it down). The buzzer sounds once. The detector will start the countdown from 20 to 00 on the screen and finally display 0.00, indicating the sensor and circuit ready for test.
In this stage, if you don't blow to the breath pole within 70 seconds, the screen will automatically display OFF and the buzzer will sound discontinuously for turn-off.
Blow alcohol to the breath pole and test the level of your BAC. The screen displays the level of BAC. If the level on the screen is more than 0.05, the buzzer sounds alarm quickly. Otherwise, only the level is displayed on the screen. The screen will display OFF and the buzzer sounds discontinuously for turn-off after the test lasts for seventy seconds.
Note: If the tester has no response to the gas, you are kindly requested to take Step 1 for two or three times repeatedly, for the tester needs a certain time for warming up. For the successive test, take the above steps xxxxx screen displaying EE indicates the sensor in error. The screen keeping flickering indicates low voltage.
3. Specifications.
Sensor: Highly sensitive semiconductor alcohol sensor
Powered by two 1.5V batteries;Battery usage limit: Continuous use for 50 times
Test level:0.01%BAC~0.40%BAC
Warm-up time: Less than 20s;Response time: Less than 5s
Dimension:105 by 20 by 40(mm)