Tanita HC-312F Fitscan Portable Breath Checker - White
Improved sensor measures (VSC) Volatile Sulfur Compounds in the breath Easy to read and operate with over sized backlit LCD display Color coded display, green and red for quick reference Convenient and discrete analysis on the go Measures in seconds, with six levels of odor
The HC-312 Breath Checker is an innovative palm-size monitor that detects and measures the presence of annoying or embarrassing breath odors. Simply turn it on, breathe into the sensor, and a reading appears on the digital display. Measures odor in seconds, with results displayed in six color coded levels. The HC-312 uses a Semi-Conductor gas sensor to measures the amount of volatile sulfur compounds (VSCs) given off by bacteria. The sensor is less sensitive to orders given off by food and drink, and you should wait at least 10 minutes after eating before testing. Easy to read and operate. Convenient and discrete to use, 4.4" X 1.4" X 0.7" and weighing only 2.6 oz. Powered by one 2 AAA batteries (included). Product life 1,000 measurements (can still use the detector beyond the this period, but reading accuracy cannot be guaranteed). Includes instructions in English. Made by Tanita Corporation.
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We tested this breath tester with garlic.  See if it worked.  
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TANITA
{"Item Package Dimensions L x W x H": "5.94 x 4.17 x 1.3 inches", "Package Weight": "0.11 Kilograms", "Item Dimensions  LxWxH": "4.4 x 1.4 x 0.7 inches", "Item Weight": "2.6 Ounces", "Brand Name": "TANITA", "Color": "White", "Number of Items": "1", "Manufacturer": "Tanita", "Part Number": "HC-312F", "Size": "1 Count (Pack of 1)", "Date First Available": "June 30, 2017", "Brand": "TANITA", "Screen Size": "4.4", "Item Dimensions LxWxH": "4.4 x 1.4 x 0.7 inches", "Battery Description": "Alkaline", "Product Dimensions": "4.4\"L x 1.4\"W x 0.7\"H"}