The alcohol tester is actually composed of an alcohol gas sensor (equivalent to a rheostat that changes with the concentration of alcohol gas), a fixed-value resistor, and a voltmeter or ammeter.

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Vibration motor breath alcohol tester breathalyzer detector

Part No: AITE-13008
Fast Alcohol Tester is a fast alcohol detector specially developed for the market.
Adpot Electrochemical fuel cell

Smart MCU Breathalyzer police digital alcohol tester

AITE-12006

Advanced flat-surfaced alcohol sensor.
Quick response.
Smart MCU control.
Broad range.

LCD display breathalyzer blood alcohol tester

Part No: AITE-13001
High accuracy chips, more sensitive, more stable.
Fast and accurate test two detection mode.

Hospital alcohol tester blood bathalyzer BAC tester

Part NO:  AITE-13003

Equipped with the UK platinum fuel cell sensor, It has a 0.001 third decimal place accuracy. Highly trusted by hospitals, clinics, and even law enforcement. The breath alcohol tester also provides you a reliable and stable result within 1.75% deviations every time when you test, good for Personal, Professional, third part organization, drivers, Party, home use.

Backlit LCD breathalyzer analyzer three color indicator alcohol tester

Part No: AITE-14002
Description:
Use this small non-contact alcohol breath analyzer to quickly calculate your blood alcohol concentration. There is no need to worry about forgetting to install the mouthpiece or hygiene problems, and you can blow directly into the inhaler of the tester without a mouthpiece, which is more convenient and safer. Take it with you and test your BAC anytime, anywhere.