Home breathalyser with electrochemical sensor for personal control - Dräger 3820
Home breathalyser with electrochemical sensor for personal control - Dräger 3820

  • Customer rating:
    Average: 4.5 / 5 Based on 7 reviews
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Home breathalyser with electrochemical sensor for personal control - Dräger 3820

  • Electrochemical sensor
  • Powered with 1 CR123 battery
  • Small and handy
  • Operation time of the home breathalyzer: up to 1500 tests
  • Testing units: mg/l

Availability: Available


£262.90tax inc.

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Home breathalyzer with an electrochemical sensor for drivers - Drager 3820

The home breathalyzer Dräger 3820 has a sensitive electrochemical sensor and a modern look. Moreover, it is a device simple in operation and ready to work only within 4 seconds.

  • Energy source

    Power supply

    CR123 battery

  • Materiał wykonania

    Housing material

    durable ABS plastic

  • Clear LCD display


    graphic LCD

  • Work time

    Operation time

    up to 1500 tests

The Dräger company, a German manufacturer of breathalyzers, equips its professional devices for checking drivers' and employees' sobriety with the electrochemical DrägerSensor - the manufacturer's proprietary solution, which is the core of their devices. The main advantage of the sensor is its reliability during testing, practically in all weather conditions. The home breathalyzer is ergonomically shaped, so it ideally fits into an operator's hand. The 3820 model has exchangeable power supply by means of CR 123 battery and thereby generally it's dedicated for mobile operation, e.g., the police screening tests, as well as for testing the employees of a company.

The most important advantages of the home breathalyzer Dräger 3820

  • Simple use

    Intuitive and reliable operation

    Operating with the home breathalyzer is simple, intuitive, and executed with a single button. An operator is guided through the testing process by a series of messages displayed on a readable screen.

  • Sensor

    Precise and quick measurements

    The police tests performed with this home breathalyzer are quick and their results reliable thanks to the application of a precise and electrochemical sensor.

  • Energy source

    Power supply

    The device is powered with one CR 123 battery what enables to perform ca 1500 tests.

  • Ergonomic housing

    Tests archiving

    The device is equipped with a built-in memory what enables to store the last 10 measurements.

  • Small and ergonomic housing

    LCD display

    A backlit LCD display of the Alcotest 3820 device guides an operator through a measurement process and enables to search for the stored tests. It also displays information about the battery level.

Warranty and service of the home breathalyzer Dräger Alcotest 5820

The breathalyzer comes with a two-year warranty on its electronics and one year on a sensor. To take advantage of the warranty the manufacturer's conditions relating to the breathalyzer calibration must be strictly observed. This means the calibration must be performed at least per every 2500 measurements or once a year.

We offer you the opportunity to perform the service and post-warranty repairs by trained technicians. Our laboratory is equipped with devices of the highest quality global brand made by GUTH LAB.

Kalibracja Guth Laboratories

Detective Store is an authorized distributor and importer of Drager. Therefore, we can assure you will get a product of the highest quality directly from the manufacturer.


Remember about calibration, please!
Details about our calibration service you can find [here].



Dräger company has been on the market since 1889 under the motto "Technology for Life". From a small family business it has evolved into an international leader in medical and safety technology. The company is in constant development so that it is technologically one step ahead of ots...


Specification of The home breathalyzer with an electrochemical sensor - Dräger 3820
Sensor typeelectrochemical
Ready to workafter about 5 sec. from enabling
  • sound
  • text on LCD
Measurement accuracy0 - 25 mg/l - in the case of exceeding the information on the LCD screen
Testing units:mg/l
Operation time of the home breathalyzerabout 1500 measurements
  • CE (2004/108 / WE), EN 16280, EN 15964, NHTSA, FDA
  • protection class - IP 52
Calibration required
  • not less frequently than once a year
  • each 1500 measurements
Displaybacklit LCD
Data transmissionno
Device configurationmanual
RequirementsEN 15964, NHTSA, FDA
Power supply of the home breathalyzer1 × CR123 battery
Operation temperature-5°C to +50°C
Humidity10 - 100% without condensation
Dimensions50 × 133 × 29 mm
Weight of the home breathalyzer130 g


  • Home breathalyzer with electrochemical sensor - Dräger 3820
  • User manual


Reviews (7)

By Alfred P.

Comment : Extremely efficient with extra long operation time on one battery .
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By Bethany C.

The customer has rated the product but has not posted a review, or the review is pending moderation

By Bradley C.

Comment : Drager is an acclaimed company that you can trust, not some s*it that breaks down after a few tests (like my previous breathalyzer) , so this time I went for the brand, not for the lowest price and that was definitely a good idea.
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By Jessica M.

Comment : Durable,small,nice design and precise results. This is my opinion..
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By Martin J.

Comment : the only drawback is the price!
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By Joseph M.

Comment : have had a few breathalyzers and those with electrochemical sensors are the best
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By Katie M.

Comment : quite pricey but definitely worth every pound - never economise on your safety and the life of your family and friends
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