Verifiable tip device

And that's what makes the breathalyzer Dräger Alcotest 3000, he is also very easy to use.

The breathalyzer is supplied in a small bag that is large enough, the device, three mouthpieces and instructions.
The unit is powered by two AA batteries and is designed to prevent a wrist strap to a fall.

It is slightly larger than a hand and is ready for use in a few seconds. Simply attach the mouthpiece, hold power button.
Now is displayed when the last calibration was and how many tests were already performed.
By pressing, the measurement cycle is started.
It is important that you have drunk any alcohol or fruit juice before measuring at least 15 minutes. Otherwise, it may result in errors in the measurement.

If you have blown about 2 to 4 seconds in the mouthpiece, you can hear a mechanical clunk. This means that you can stop to blow.
After about 5 to 10 seconds then the result is displayed.

The mouthpieces are for personal use, with a little warm water to make easy clean.
This is also very good because 100 mouthpieces cost about 39.99.

After a year, you should let the unit, the manufacturer calibration. That costs a 45 Euro, but worth it. Because what use the value XY, if he disagrees with the values ​​of a calibration device.
However, the device will work without annual calibration.

Conclusion:
An absolute brand device that keeps its promises.

If you used a nice breathalyzer, then one of the police also corresponds to and therefore I can breathalyzer Dräger Alcotest 3000 clearly recommend.