Alcohol Tester Flashlight

Alcohol Tester Flashlight

Driving under the influence is a common problem in today's world. Free medical tests is sometimes difficult for to determine whether the driver stopped the vehicle is drunk, so that police officers use a variety of tests seriously this field. It is important to remember that before using tests of the police should have sufficient argument to stop your car. A police officer may stop a driver if he or she is driving strangely or violating rules of the road. If after the officer smells alcohol, or has a reason to believe that the driver is drunk he is entitled to ask the driver to pass some tests.

Field tests seriously are "divided attention tests, the theory test the suspect's ability to perform the type of mental and physical multitasking that is required to operate a car. Overall There are a number of the most common tests used by police officers:

- Horizontal gaze Nystagmus Test. Despite a scary name is a simple eye test, the person in custody must follow a moving object with eyes to determine eye movement response characteristic. If the person is sober, he or she will be able to find the object without problems, in If that does not fall with the eyes as they follow the object.

- Walk-and-Turn test is when a person must walk heel-to-finger in a line right.

- One Leg Stand Test is simply standing on one foot.

- Modified-position-of-care (called the Romberg test). Suspected person should remain with feet together, tip the head back and eyes closed for thirty seconds.

- Finger-to-Nose test. Suspected person should tip his head back, close his eyes closed and touch the top of the nose with the index fingertip.

- Alphabet Test. The driver should read all or part of the article, but generally believed that the alphabet should be read backwards, but this is not done, because people are sometimes measured able to do so.

- The driver must touch each finger of the hand estimated from the finger of a back four and with each contact.

- The driver must count backwards from a number such as 30, 50 or 100.

- The driver must look at a flashlight so that an officer can monitor the response of the eyes.

- Last test includes device called "portable or preliminary breath tester" or PBT (breathalyzer). The driver should be breathing in the device and it will determine the drunk driver.

Also has two more scientific tests, during these tests driver is required to submit blood or urine for a scientific test. As a part of this test is performed in this field, is not considered to be a serious field test. While some of the listed tests are considered reliable, has recommended three main tests that give the best results in most cases: the horizontal gaze nystagmus, walk-and-test by test, and a foot-stand.

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