This portable precision measuring devices are designed for the determination of the water activity (Aw) in food, cosmetics, and pharmaceutical products. The large LCD with intuitive menu structure displays water activity (Aw), temperature, and stability. The meters uses the latest noncontact Infrared sampling technology and a maintenance-free Aw sensor. Use the optional filters to accurately measure samples with critical additives such as alcohol, acids, bases, and chlorine. The unique Aw sensor is designed to be field calibrated after multiple uses. The reusable standards, If kept closed in the supplied Airtight container, can last several years, saving on overall operating costs. The sensor can also be easily replaced when it is no longer performing to factory specifications - it is the sensor which holds all the factory-calibrated values within it, allowing the unit to be within calibration. Lab start is designed as an easy-to-use starter instrument that provides basic measurement functions. The unit has built-in automatic stability detection and well-proven resistive-electrolytic sensor technology. The lab start is ideal for use with breads, cereals, most powders and drier materials from 0.20 to 0.80 Aw. (There is no data logging on this meter.) cole-parmer can not sell this product in China, Japan or Brazil cole-parmer can not sell this product in China, Japan or Brazil. What's included: lab start includes one calibration standard (75 percent RH) and external universal power supply. Portable Aw measurement that is quick and easy to perform innovative Infrared sample temperature measurement Test and field calibration functions sensor filters protect against contamination and errors spring-loaded sealed measurement chamber measurement range - 0.20 to 0.80 Aw, with an accuracy of +/- 0.03 Aw.
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