Alkotest K4520 alcohol breathalyzer model K4520 — handheld personal breathalyzer, MPN K4520

Alkotest K4520 is a handheld personal breathalyzer designed to provide quick estimates of blood alcohol concentration (BAC) from a single breath sample. The compact unit is intended for on-the-spot alcohol screening in personal, workplace or roadside situations, giving a fast indication whether further testing or waiting is required. The device is suitable for basic pre-checks before driving or returning to safety-sensitive duties; users should follow local rules and legal limits and consider confirmatory testing for any enforcement purposes.

Advantages

The Alkotest K4520 offers rapid breath-alcohol readings in a portable form factor, enabling immediate checks without specialized training. Its handheld design makes it easy to carry and use in different environments, and it delivers results quickly to support timely decisions. The device is intended for preliminary screening and convenience testing rather than legal evidence.

Suitable for

• Personal use to check fitness to drive or operate machinery
• Workplace screening for safety-sensitive roles
• Roadside preliminary checks and basic screening by non-professional users
• Event or venue monitoring for basic alcohol checks

Key specifications

• Handheld form factor for portable use
• Single-breath sampling for rapid BAC estimation
• Designed for quick screening rather than evidential measurement
• Battery-powered operation for field use
• Compact size suitable for storage in glove compartments or bags

How to use

Turn on the device and wait for the ready signal or warm-up period indicated by the unit. Ensure the user has not consumed alcohol, smoked, eaten or used mouthwash within the manufacturer-recommended interval before testing to reduce interference. Instruct the subject to provide a steady, continuous breath into the mouthpiece according to the device prompts; the unit will process the breath sample and display a BAC estimate. Allow the device to stabilise between consecutive tests as advised in the user information.

Usage recommendations

Use the Alkotest K4520 for preliminary screening only: interpret results as indicative and not legally definitive. For any decision with legal or safety implications, follow local regulations and consider confirmatory testing with a calibrated evidential breathalyzer or laboratory analysis. Maintain the device according to the manufacturer guidelines, replace batteries when low and store the unit in a dry environment to ensure reliable operation.