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Intended to measure alcohol in human breath. Measurements obtained by this device are used in the detection of alcohol intoxication.

The RMI® LCD Alcohol Tester is designed to measure deep lung air to test for the presence of alcohol in the blood. The relationship between alcohol in the blood and alcohol in the deep lung breath is well established by Henry's law in ratio of 2100:1. The RMI® LCD Alcohol Tester is an alcohol screening device and uses a blowing time of 3 seconds to capture an accurate deep lung sample. The RMI® LCD Alcohol Tester contains a semiconductor sensor designed to test for the presence of alcohol. The semiconductor material is heated to a specific temperature. The resistance of sensing material changes rapidly according to gas concentration changes, thereby enabling the reading of alcohol concentration by resistance measurement. The device employs a 3 digit LCD display which shows breath alcohol readings from 0.00 to 0.20 BAC (Breath Alcohol Concentration). Readings above 0.20 will display an LCD reading of "HI." The new device is a MODIFICATION of our old device, the Connectables® Alcohol Tester (K052448). We use the same sensor, but instead of three colored LEDs as indicators, the new device has a three digit LCD display of the measured BAC (breath alcohol concentration). Instead of analog comparators, we now employ an 8 bit microprocessor for control and measurement.