Anton Paar SmartRef Digital Refractometer

The SmartRef digital refractometer is an intelligent, portable handheld device that meets a wide range of needs. Combined with a free mobile app, it offers over 30 different measurement units. Measure the extract content of your beer, the sugar content of wine, the sweetness of fruit and vegetables, the moisture content of honey, the salt content of your aquarium or saltwater pool and much more.