See your flow. Know your ratio. Refine your brew.

The MATRIX M2 Pro AI Master Coffee Scale brings guided brewing, real-time flow feedback and coffee-to-water and coffee-to-beverage ratio calculations to your pour-over and espresso routine.

Key features

• Guided brewing interface with step-by-step prompts.
• Three-color flow-rate bar for visual feedback as you pour.
• Calculate coffee-to-water and coffee-to-beverage ratios on one scale.
• Lift the dripper to calculate the weight of the brewed coffee.
• Track individual pours and cumulative water weight for multi-pour recipes.
• Four data fields on a bright LED display.
• Physical power switch and USB-C port with a protective silicone cover.
• Rechargeable 1500 mAh battery.

Five brewing modes

• MD0: basic weighing and pour-over flow practice.
• MD1: guided brewing with ratio and beverage-weight calculations.
• MD2: automatic timing, staged pours and coffee-to-water ratio.
• MD3: espresso mode with flow-rate display and automatic tare.
• MD4: staged brewing for equipment such as Chemex.

Specifications

• Weighing range: 0.4–3000 g
• Display increments: 0.1 g
• Specified tolerance: ±0.5 g at 1000 g; ±1 g at 2000 g; ±1.5 g at 3000 g
• Units: g / oz
• Dimensions: 130 × 150 × 23.5 mm
• Net weight: 310 g
• Materials: ABS and silicone
• Charging input: 5 V, 1–2 A; USB-C
• Battery: 1500 mAh lithium battery
• Country of origin: China

In the box

Coffee scale, USB-C cable, user manual, silicone heat-insulating mat and diatomaceous-earth absorbent mat.

Care and use

• The scale is not waterproof. Do not wash or immerse it; keep the charging port dry.
• Use a standard 5 V, 1–2 A charger. Do not use a fast charger or operate while charging.
• Place all four feet on a stable, level surface and keep away from magnetic objects.
• Do not exceed 3 kg or leave heavy objects on the scale.
• Use the insulating mat with hot brewing equipment. Scale surface operating temperature: 0–60°C.
• Do not disassemble or subject to strong impacts. Recharge periodically during storage.
• Not intended for trade or commercial transactions by weight.