Breathalyzer Promiler AL5500 — portable alcohol tester, model AL5500 by Promiler

Promiler AL5500 is a portable breathalyzer engineered to estimate blood alcohol concentration (BAC) quickly and reliably in field conditions. The handheld device features a clear digital display, compact dimensions suitable for pocket or glovebox storage, and the option to operate on rechargeable or disposable batteries depending on the model. Promiler AL5500 is intended for personal pre-driving checks, workplace safety screenings, and other on-site alcohol detection needs where a fast numeric BAC indication is required.

Advantages

The device delivers measurements across a practical BAC range with reported measurement accuracy of ±0.1‰ at 0.5‰ BAC, enabling consistent comparative screening. Its compact size and light weight make it easy to carry and deploy for spot checks. A digital readout provides a straightforward numeric result, and included replaceable mouthpieces support hygienic use for multiple users.

Suitable for

• Pre-driving personal checks
• Workplace safety screening and spot testing
• Fleet or driver monitoring before shifts
• Event or venue entry control where alcohol screening is needed
• Home use for monitoring after alcohol consumption

Key specifications

• Measurement range: 0.00–4.00‰ BAC
• Measurement accuracy: ±0.1‰ at 0.5‰ BAC
• Number of mouthpieces included: 5
• Dimensions: 110 × 41 × 21 mm
• Display: digital numeric readout
• Power: rechargeable or disposable battery operation (model-dependent)

How to use

Before testing, wait at least 15 minutes after drinking, smoking, or eating to avoid residual mouth alcohol that can skew results. Attach a clean mouthpiece to the unit, turn the device on and allow it to warm up according to the device prompt. Exhale steadily into the mouthpiece for the required sample time until the device indicates the sample is complete. Read the BAC value on the digital display and discard or replace the mouthpiece for the next user.

Usage recommendations

For more reliable screening, perform sequential tests if results are close to decision thresholds and allow the device to stabilize between measurements. Use in a well-ventilated environment and store the unit in a temperature-stable place. Regularly replace mouthpieces and follow manufacturer guidance for calibration or sensor checks to maintain measurement accuracy.