With the advancement of technology and falling prices, you can buy a keychain breath alcohol tester or a breathalyzer keychain cheap today. You should look for convenience and ease of use while purchasing gadgets such as a keychain breathalyzer. This gadget is used to analyze a person’s blood alcohol concentration (BAC); all you have to do is breathe into it.

Keychain breathalyzers have transformed from the big instruments they once were into the tiny hand held and portable keychain breathalyzers of today. Right now, these devices come in a range of designs and styles to suit different needs and budgets.

Types of breathalyzer Keychains

Breathalyzer keychains come in different types, shapes, sizes, and levels of accuracy.  Most of these units will display your BAC accuracy in two digits. Breathalyzers designed for personal use are available in two types, namely keychain and handheld versions. There are plenty of other breathalyzer models available in the market that can be fit on your keychain easily.

The keychain breathalyzer is the most popular breathalyzer model today owing to its lightweight and handy nature. This device that is powered by fuel cell sensor technology has a battery that lasts a very long time. Results can be displayed with up to four digits in these user-friendly devices. These gadgets have been innovatively designed in such a way that that they use little power even if there is a need for calibration. In this way, individuals can use this device for a long time. The accuracy levels of this device may vary from one model to another as outlined below:

BACtrack KC10 Keychain Breathalyzer

This gadget displays BAC reading from 0.00 to 0.40% in increments of .01%. This is the newest keychain unit to hit the market, and carries the BACtrack name, which is one of the most reliable in the industry.

BreathKey Digital Keychain Breathalyzer

This is a fuel cell sensor powered unit, and that means it produces extremelt accurate results. This FDA certified device can last for many years. One button operation guarantees results in seconds.

Legal Limit Keychain Breathalyzer

The detection range of this device is: 0.00~0.19% BAC & 0.0~1.9g/l. It comes with an instruction manual and hand lanyard for easy carrying.

People will become more aware of the things they should and should not do by carrying alcohol breath testers such as a portable breathalyzer keychain with them. These devices can remind them to exercise self-control and not go overboard while consuming alcohol. Thus, these tiny devices can help prevent problems associated with drunk driving. It can insure that you do not get alcohol poisoning by helping you stay away from excessive consumption of alcohol.

Things to look out for when buying breathalyzers

You should check out each keychain breathalyzer accuracy before investing in such a device. The breathalyzer you choose should preferably have the FDA (Food and Drug Administration) stamp of approval. This means that the FDA has approved it and you can find out all the product details by browsing through the product’s literature. Approvals from other agencies such as US Coast Guard and DOT (Department of Transportation) can also help you know more about the accuracy levels of the breathalyzer.

Some breathalyzer keychains will require periodic recalibration in order to function optimally. This is because the sensors may become weak and less accurate over time. Generally, a recalibration once every year will insure that these devices function well all of the time. This can cost you anywhere from $20 to $30 depending on the model of the breathalyzer. The new models coming in today require no recalibration whatsoever and can be used for a long period of time. They are also designed in such a way that you can easily replace the sensor yourself if at any problems arise. While there is not much difference between the cost of recalibration and replacement sensors, you need not be without the device when you opt for the latter.

There are many factors to consider before buying a breathalyzer as stated above. However, clarity regarding the purpose of buying the device can help you make the right choice easily. You can browse through the online stores to get more information on the various models of keychain breathalyzers in order to arrive at the best decision.

A breathalyzer is a useful personal device that can help safeguard you from the bad effects of drunken driving. You should try to learn more about the "the basics" and models of breathalyzers before choosing the best one for your use. You can choose from various models under one roof and take advantage of huge discounts on your favorite breathalyzer model when you shop for the same online.