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Real-time Agtron & Crack Analyzer

RoastSee NEXT

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Roastsee C1

Roasting Degree Analyzer

ROASTSEE C1

Quick and Accurate

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LeBrew 64mm

High-End Burr Solution

LEBREW 64MM

Intense Flavor Burst

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Moisture & Density Analyzer

AQUADENSE

Quality Consistency Control

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LeBrew 98mm

High-End Burr Solution

LEBREW 98MM

Power Grind Force

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Roastsee aquagauge

Water Activity Analyzer

AQUAGAUGE

Bean Freshness Control

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Espresso Burrs

LEBREW 65MM

Smooth and Balanced
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Professional Coffee Analyzer

ROASTSEE SERIES

Precision Measurement Control
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High-End Burr Solution

HYPERBURRS SERIES

Full Range Grinding
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Blog posts

What Afects TDS Readings?
LeBrew·

What Afects TDS Readings?

Abstract The TDS meter has become an essential tool in coffee extraction research and quality control, as it quantifies the proportion of total dissolved solids (TDS) in brewed coffee and provides an objective basis for brewing evaluation. Within the widely recognized Golden Cup Theory, TDS together with extraction yield (EY) serve as the two core indicators for determining whether coffee...

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How to Choose a Coffee Densitometer? A Comparative Guide to Displacement and Volumetric Methods
LeBrew·

How to Choose a Coffee Densitometer? A Comparative Guide to Displacement and Volumetric Methods

Abstract The development of Coffee Green Bean Density Measurement reflects the dual demand for Efficiency and Precision. The Displacement Method – Archimedes’ Principle reveals the physical essence of Density with high precision, making it suitable for Quality Assessment and Laboratory Testing. In contrast, the Volumetric Method – Free-Flow Bulk Density provides high efficiency to support large-scale circulation, making it more appropriate...

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How Water Activity Meters Work – Principles Behind aw Measurement for Coffee and Food
LeBrew·

How Water Activity Meters Work – Principles Behind aw Measurement for Coffee and Food

Accurately measuring water activity (aw) is essential for quality control, safe storage, and precise roasting of green coffee beans. Understanding the scientific principles behind aw measurement—and selecting the right method and equipment—is critical to ensuring reliable data. This article explores the core mechanisms of water activity meters, compares mainstream technologies, and highlights differences in precision among various approaches.  

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