Breath alcohol content tester
I. Appearance Diagram and Button Description
II. Specifications
III. Operating Instructions
(1) Powering On and Powering Off
Powering On: With the machine powered off, press and hold the "Power" button to power it on.
Powering Off: With the machine powered on, press and hold the "Power" button until the screen displays "OFF" to power it off.
(2) Test Operation
After turning on the machine by pressing the power button, press the source button again to start the preheating process for 15 seconds before entering the blowing stage. During the blowing stage, please blow air slowly and evenly for at least 3 seconds. The test results will be displayed shortly afterward.
If the value exceeds 20mg/100ml after the test, the machine will emit a "beep beep beep" sound, and orange and red indicator lights will appear on the screen.
Precautions:
1. If the instrument remains inactive for an extended period after entering the blowing mode, it will automatically register a value of 0.
2. For results below 20 mg/100 ml, the indicator light at the top of the screen will display green; above 20 mg/100 ml, an orange indicator light will display; and above 80 mg/100 ml, a red indicator light will display.
3. To ensure stable readings, please maintain the same blowing distance, duration, and force for each test.
Charging:
4. When the instrument's battery is low, please charge it promptly. Check the battery level upon powering on to determine its charging status.
IV. Precautions:
1. Prevent the instrument from falling from a height or being subjected to severe vibration;
2. This product must not be stored or used in environments containing corrosive gases (such as chlorine);
3. This product must use the original manufacturer's supplied 3.7V/200mAh 18650 lithium battery, and the battery must not be placed in high-temperature environments;
4. To ensure instrument safety and stable performance, please use a 5V/1A power adapter and the matching USB cable for charging.
Using other power adapter specifications may cause damage to instrument hardware, malfunction, or even safety risks.
