The alcohol breath tester captures exhaled breath samples and converts sample signals into readable blood alcohol content values. The simple blow operation makes the unit easy for new users to master within seconds. BAC tester works smoothly in common indoor and outdoor environments, and the clear digital display presents measured figures directly for fast reading.
Specification
| Model |
T-BY-802 |
| Sensor Type |
Electrochemical sensor |
| Sampling Way |
Direct blow breath sampling |
| Measuring Range |
0 - 200mg/100mL |
| Test Response Time |
Within 5 seconds |
| Working Temperature |
0℃ ~ 40℃ |
| Charging Input |
5V/1A |
| Built-in Battery |
140mAh lithium battery |
| Working Current |
150mA |
| Product Size |
98 × 31 ×19 mm |
| Display |
Color digital LCD screen |
| Charging Interface |
Type-C USB port |
| Certification |
CE |
Features
- Built-in LED warning indicator: changes light color to remind users of risky values, perfect for an alcohol level tester in dim environments
- Fast sensing response: captures breath sample rapidly and cuts waiting time for alcohol tester
- One-touch control design: easy blow-and-test operation, friendly for operators of a digital breath alcohol tester
- Compact handheld form: lightweight build for easy carry, matches the demand of a portable alcohol breathalyzer
- Low-power alert function: prompts users to charge, keeps steady performance for the alcohol detector machine
- Anti-interference sensor structure: reduces disturbance from smell and vapour, improves precision for alcohol testing meter
Dimension

Applications
- Daily driving inspection: breath tester in car supports drivers to do self-check and avoid drunk driving risk
- Family party check: personal breath alcohol tester offers convenient testing after drinking beer and wine at home
- Staff safety screening: alcohol testing machine helps supervisors run regular checks for on-site workers
- Road trip and camping: breath analyser meets temporary alcohol test demand for outdoor travel groups
- Fleet management work: portable BAC tester supports routine screening for delivery and rental car teams

FAQs
Q: How long should users wait to test with a breath analyser machine after drinking?
A: It is better to wait for 20 minutes after drinking, eating, or smoking, then blow steadily into the unit for valid data.
Q: What care tips can extend the service life of a breathalyzer portable alcohol tester?
A: Keep the sensor away from liquid, perfume, and smoke; place the unit in a dry, cool space when not in use.
Q: How much time is required to fully charge a digital alcohol tester?
A: Full charging needs roughly 2 hours, and one full charge supports hundreds of breath tests.
Q: Can an alcohol breath tester replace official law enforcement inspection tools?
A: The unit only provides personal reference data, and its results cannot serve as official evidence for a traffic check.
Q: What to do if readings of a blood alcohol level tester become unstable?
A: Stop testing for about 10 minutes; avoid testing immediately after heavy drinking; recalibrate the sensor if continuous deviation occurs.