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An Alco-Sensor IV law enforcement grade breathalyzer. A breathalyzer or breathalyser (a portmanteau of breath and analyzer/analyser), also called an alcohol meter, is a device for measuring breath alcohol content (BrAC). It is commonly utilized by law enforcement officers whenever they initiate traffic stops.
Modern ignition interlock devices use an alcohol-specific fuel cell for a sensor. A fuel cell sensor is an electrochemical device in which alcohol undergoes a chemical oxidation reaction at a catalytic electrode surface to generate an electric current. This current is then measured and converted to an alcohol equivalent reading.
While Nima works on most food types, Nima's sensing technology has a few limitations, including detection of proteins in hydrolyzed and fermented foods for gluten. This is most challenging for gluten detection in the case of soy sauce and alcohol - Nima cannot detect gluten in soy sauce or alcohol.
EN 50436 is a series of European Standards for ignition interlock devices (also called 'alcohol interlocks') on motor vehicles.. An alcohol interlock consists of two main components: an instrument that measures breath alcohol via a mouthpiece inside the vehicle, and a control unit (normally installed under the dashboard) which controls the current supply to the vehicle's starter relay.
This change in resistance (often together with signals of other sensors, e.g. humidity sensor values, for cross-sensitivity compensation) is used to calculate the gas concentration. Semiconductor gas sensors are commonly used to detect hydrogen, alcohol vapor, and harmful gases such as carbon monoxide. [11]
The Breathometer was a small device that plugged into the audio jack of a smartphone, coupled with a dedicated app that reads the user's blood alcohol content (BAC). [8] [19] [20] [9] The app utilized the smartphone to provide the processing power, which allowed the device to be small enough to fit on a standard keychain.
Asthma detection by exhaled nitric oxide [20] Blood alcohol testing [21] Carbon monoxide poisoning; Chronic kidney disease (CKD) & Diabetes mellitus [22] Diabetes detection; Diagnosis of bad breath; Fructose malabsorption with hydrogen breath test; Helicobacter pylori with urea breath test; Lung cancer detection [23] Measurement of endogenous ...
The photoionization detector is an efficient and inexpensive detector for many gas and vapor analytes. PIDs produce instantaneous readings, operate continuously, and are commonly used as detectors for gas chromatography or as hand-held portable instruments. Hand-held, battery-operated versions are widely used in military, industrial, and ...
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