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About This Complete Brewing Precision: This kit combines a coffee TDS refractometer and a digital coffee scale, providing full control over extraction strength, flow rate, timing, and weight for perfect pour over, espresso, and cold brew. Accurate TDS and Weight Measurements: Measure total dissolved solids (TDS) with 0.02% precision and coffee weight with 0.1g accuracy, ensuring professional brewing consistency every time. Real-Time Flow Rate Tracking and Auto Timing: Monitor brewing flow rate, time, and weight on the scale while the timer starts automatically with the first drip, making precision brewing effortless. Smart App Integration for Recipes and Insights: Connect both devices to the app to record brewing data, track recipes, share insights, and continuously improve your coffee skills within the community. Rechargeable, Waterproof, and Portable Design: Built with durability and convenience in mind — IP67 waterproof refractometer, rechargeable batteries, and portable sizes make them ideal for home, café, or travel use.
The catalog often lists the same model at several merchants — worth a price check before you buy.
| TDS Precision | 0.02% |
| Coffee Scale Accuracy | 0.1g |
| Flow Rate Tracking | Real-time |
| Timer | Auto-start with first drip |
| App Compatibility | Smart app integration |
| Waterproof Rating | IP67 |



