Description
The BLOW digital breathalyzer will show the alcohol concentration in your body in a few seconds and give you the answer to the question of whether you can drive a car.
High precision and repeatability of measurements.

Features
Product color: Black
Rated voltage: DC3V (2 * AAA, not included)
Presentation: LCD screen
Detection method: Semiconductor alcohol sensor
Sensor lifespan: 1000 times
Warm-up: 10 seconds
Measurement time: 6 seconds
Automatically turns off: ?
Measurement indication: 0~1.9g/l (0~0.19%BAC)
Detection accuracy: 0.1 g/l and 0.01% BAC

Environmental conditions
Operating temperature: 0 - 40°C
Storage temperature: -20 to 60°C

Product dimensions and weight
Product dimensions: 102 x 31.5 x 16.5 mm

How to use
SRART on/off button
Hold to turn on or off
Low Battery
When the battery level is low, the flashing display will turn off after approximately 3 seconds. When the battery is completely discharged, the display will light briefly and the power will turn off.
Startup
After turning on the breathalyzer, the device will emit a brief sound and start a 10-second countdown (this is the time to prepare the device for the measurement).
Starting the test
After 10 seconds of testing the device, the measurement will automatically start for 6 seconds and the result will be displayed immediately after the test. During the countdown, bring your mouth closer to the front of the sensor (about 1 cm). Exhalation must be continuous and at the same intensity.
Failed Test
If "Err" appears on the display. If the test is incorrect, repeat the test, blowing more carefully.
Test passed (result display)
If the test is successful, the display will show the breath alcohol concentration (mg/L and undetected) (Warning) (Dangerous) and automatically turn off the power.
Check the useful life of the instrument
Sensor - Lifespan up to 1000 times. It can be used even after 1000 repetitions, but the measurement accuracy will be reduced.

Bafómetro Digital 3300 (Teste de Álcool) - Blow