Atago WM-7 Digital Wine Refractometer – 7-Scale Grape Must Analysis Instrument

The WM-7 is Atago's digital refractometer specifically engineered for wine and grape must analysis. With a single instrument, you can measure across 7 different winemaking scales including Brix, T.A. 1990, Oechsle, KMW, and Baume—providing all critical data for fermentation monitoring and harvest timing from one device.

The instrument delivers results in seconds from just a few drops of grape must or wine sample. E.L.I. (External Light Interference) technology ensures reliable measurements in vineyard and winery environments without interference from ambient light. IP65 protection rating provides resistance to dust and water splash in production environments.

With ±0.1% accuracy and 0.1% resolution in Brix measurement, it meets the precision requirements of the wine industry. Its compact, lightweight design enables easy portability for use in the vineyard, winery, or laboratory.

Technical Specifications

Applications

• Monitoring harvest maturity and ripeness in vineyard operations
• Controlling must concentration during fermentation in the winery
• Quality assurance in grape juice and wine production