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Breathalyser tests are widely used to measure blood alcohol concentration (BAC) for workplace safety, roadside checks, and personal monitoring. Preparing for a breathalyser test ensures accurate results and prevents common mistakes that could lead to misleading readings. Whether for legal compliance or personal safety, knowing the right steps can make a difference.
Dos: Best Practices for an Accurate Breathalyser Test
Wait Before Testing
After consuming alcohol, it takes time for it to be fully absorbed into the bloodstream. Waiting at least 15–20 minutes before taking a breathalyser test can provide a more reliable BAC reading. Rushing into a test too soon may lead to inaccurate results.
Rinse Your Mouth with Water
Certain substances, such as mouthwash, breath sprays, and some medications, contain alcohol and may temporarily affect test results. Rinsing your mouth with water before a breathalyser test can help remove residual alcohol and improve accuracy.
Follow Proper Testing Procedures
Using the breathalyser correctly is crucial for accurate results. Ensure you:
- Take a deep breath before blowing into the device.
- Provide a steady, continuous breath sample.
- Use a clean mouthpiece to prevent contamination.
Don’ts: Common Mistakes to Avoid
Don’t Eat or Drink Right Before the Test
Food, sugary drinks, and even some energy drinks can interfere with readings. To ensure accurate results when preparing for a breathalyser test, avoid consuming anything other than water in the minutes leading up to it.
Don’t Hyperventilate or Hold Your Breath
Rapid breathing or holding your breath before testing can artificially alter BAC results. When preparing for a breathalyser test, breathe normally and follow standard test instructions to maintain accuracy.
Don’t Assume Time Alone Eliminates Alcohol
While BAC naturally decreases over time, factors like body weight, metabolism, and alcohol consumption levels influence how long it takes. If unsure, retesting after a longer period may be necessary.
