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4. The LCD keep the primary format (Safety symbol) when the alcohol concentration

is the level:

Under 0.02% BAC (0.1mg/l BRAC)

Under 0.05% BAC (0.25mg/l BRAC)

5. The Caution symbol is displayed when the alcohol Concentration is the level:

0.02% to 0.05% BAC (0.1mg/l to 0.25mg/l BRAC)

0.05% to 0.08% BAC( 0.25mg/l to 0.4mg/l BRAC)

Precaution

-- If you have consumed alcohol, it is recommended to wait with the test for 20

minutes. It takes the body approximately 20 minutes to absorb the alcohol into the

blood from the digestive system, and residues of alcohol from the mouth takes

this long to dissipate.

-- For an accurate result, do not repeat next testing within 3 minutes after last time.

-- Do not smoke and eat for 20 minutes prior testing.

-- Do not use chemicals to clean the tester directly.

-- Do not blow liquid into the breath pipe.

-- Do not place the tester in the closed environment with the contaminated air.

-- The result of this alcohol gives BAC for reference only, manufacturer does not to

take any legal responsibility.

6. The danger symbol is displayed with beep alert when the alcohol concentration

has the level:

Over 0.05% BAC (0.25mg/l BRAC)

Over 0.08% BAC (0.4mg/l BRAC)

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HQ HQ-AT20 Specifications

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