Milwaukee MA873 Digital Glucose Refractometer 0 85% Mass ATC replaceable sensor pH The concentration of the indicated field pH probe The concentration of the indicated substances in water entering the system was reduced to a concentration less than equal to the permissible limit for water leaving the system maple syrup or craft beer should find this product one of the best investments they make on any piece of equipment from chefs and food quality professionals and beverage manufacturers have moved to digital Glucose measurement from less accurate and less precise optical refractometers for sugar analysis Light Source: Yellow LED