Acaia Umbra Lunar Coffee Scales

Meticulously designed for baristas who value precision, connectivity and clean workflow, the Acaia Umbra Lunar Coffee Scale is the most advanced addition to the Acaia ecosystem. Engineered without a display, it wirelessly syncs via Magic Relay with the Acaia Lunar or the Acaia App, delivering real-time weighing data with 0.1g accuracy. Compact, durable and water-resistant, it brings the next generation of precision brewing to any espresso bar or home setup.

Intelligent Connectivity

Seamlessly integrating with Acaia’s smart brewing network, the Umbra Lunar transforms how weight data is shared, displayed and logged. Its display-free interface keeps your bench uncluttered while maintaining total control through your connected device or paired scale. With Magic Relay technology, you can monitor weight in real time, track flow rates and store data for repeatable extractions. Built to work effortlessly alongside the new Lunar, it redefines precision through intelligent connectivity.

Refined Design and Lasting Performance

Machined from anodised aluminium with an elegant matte finish, the Umbra Lunar is both water-resistant and espresso-proof. It maintains the same 0.1g precision found across Acaia’s range, yet in a smaller, more efficient body. Designed for commercial reliability, its rechargeable lithium-ion battery offers up to 48 hours of continuous use and charges quickly through USB-C. The Umbra Lunar’s modern design ensures durability and performance that matches its minimalist beauty.

Important Note: An Acaia scale is required for this product to function.

Acaia Umbra Lunar Coffee Scales Features

Magic Relay Connectivity – Syncs with your Acaia Lunar or smartphone app to share live weight data and streamline multi-device brewing.

Display-Free Design – A minimalist approach that focuses on workflow precision while keeping your bar free from visual distractions.

High-Precision Sensor – Measures with 0.1g accuracy for exceptional consistency across every brew or espresso extraction.

Anodised Aluminium Build – Durable, water-resistant body built to withstand daily cafe or home espresso use.

Bluetooth App Integration – Log weights, monitor flow rates and access brewing data through the Acaia app for complete control.

Extended Battery Life – Rechargeable 1100 mAh lithium-ion battery offers up to 48 hours of active use.

Compact and Espresso-Safe – Perfectly sized to fit on small drip trays and withstand the demanding conditions of espresso preparation.

This Product Includes

• 1 x Acaia Umbra Lunar Coffee Scale
• 1 x USB-C Charging Cable
• 1 x 100g Calibration Weight
• 1 x Heat-Resistant Pad
• 2 x Non Slip Protective Strips
• 2 x Friction-Reduction Protective Strips

Specifications

Materials	Anodised Aluminium, Polycarbonate
Weight Range	0.01g - 1000g
Measuring Units	g / oz
Measurement Accuracy	0.1g
Repeatability / Linearity	0.1g / 0.1g
Connectivity	Bluetooth / Magic Relay
Compatibility	Acaia Lunar models AL008, AL009, AL010, AL012 and AL013; also supports Acaia Pearl Series models PS003, PS004, AP007, AP008 and AP009 via the Acaia App
Power Supply	USB-C Rechargeable Lithium-ion Battery (3.7 V 1100 mAh)
Battery Life	Up to 48 Hours Active / 14 Days Standby
Water Resistance	Splash-Resistant
Dimensions	(W) 105mm x (D) 105mm x (H) 15mm
Weight	~300g ± 5g
Warranty	24 Months*