ACAIA Pearl
ACAIA Pearl Black
Weigh - ACAIA Pearl Black
ACAIA Pearl
ACAIA Pearl Black
Weigh - ACAIA Pearl Black

Acaia Pearl Pitch Black coffee scale with 0.1 g resolution and timer

Acaia


192 €

Including VAT (EU). Shipping costs are calculated at checkout.

The Pearl revision is tailored for coffee enthusiasts and professionals alike.

1
Description -

Meet the award-winning Acaia Pearl, reimagined. It has all the classic features that users love. This time with an even more thoughtful design to make coffee brewing an experience in precision, pleasure, and ease. Take your pour over skills to the next level with the real-time flow-rate indicator and additional modes. Or, keep it simple and stick to monitoring weight and time as you brew. The choice is yours.

  • Product Weight: 500 g ± 5 g
  • Product Dimensions: W: 160 mm L: 160 mm H: 32 mm
  • Maximum Capacity: 2000 g / 70.55 oz
  • Minimum Weight: 0.1 g
  • Measuring Units: g / oz
  • Readability: 0.1 g
  • Repeatability: 0.1 g
  • Linearity: 1 d
  • Indication Limit: 2060 g / 72.66 oz
  • Power Supply: 5 V / 500 mA
  • Battery: Lithium-ion rechargeable 3.7 V 1100 mAh
  • Battery Life: 30 to 40 hours
  • Display: 8-digit LED
  • Base: Non-slip rubber
  • Material: PC
  • Connectivity: Bluetooth 4.0
  • Operating Temperature: 15 to 40 °C
  • Warranty: 2 Years
Scope of Delivery:

Acaia Pearl Pitch Black

  • Heat Resistant Pad Gray
  • USB Type-C Charger Cable

Precision · Pleasure · Ease

The award-winning scale,
reimagined in Pitch Black.

Meet the Acaia Pearl, a coffee scale built on laboratory weighing technology. It pairs feather-light 0.1 g accuracy with a lightning 20 ms response time and a real-time flow-rate indicator that lets you read every pour. Whether you are dialling in a competition pour over or simply keeping an eye on weight and time, the Pearl shows every value on one display.

Acaia Pearl Pitch Black coffee scale on the brew bar
Close-up of the Acaia Pearl real-time flow-rate LED indicator
Acaia Pearl with USB Type-C charging and 8-digit LED display

Built for the brew bar

Read every pour.
Pour like a pro.

The Pearl's real-time flow-rate indicator visualises exactly how fast water meets the grounds, from 0.5 g/s at the centre out to 9.5 g/s at the ends. Brighter LED markers flag the ideal-flow thresholds at 2.5 and 6.5 g/s, so you can pour evenly, repeat your best recipes and taste the difference in the cup.

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Real-time flow rate

A top LED strip shows your live pouring speed from 0.5 g/s at the centre outward, with brighter markers at the ideal-flow thresholds. Pour visualisation without the guesswork.

02

Faster & more responsive

New weighing technology stabilises faster and more accurately, with a 20 ms response time and up to one million internal counts.

03

Sunlight-readable display

A brighter 8-digit LED display with adjustable brightness stays crisp in any indoor light and even outdoors.

04

Bluetooth & the Acaia app

Connect to the free Acaia Coffee app on iOS and Android to unlock modes, save recipes and review every brew.

0.1 g
Readability
20 ms
Response time
30 to 40 h
Battery life
2000 g
Max capacity

Engineered for taste

Weigh, time and pour
all in one glance.

The Pearl keeps every variable that shapes your cup right in front of you. Dose your beans to 0.1 g, watch the timer start the moment water lands, and follow your flow rate live, so every brew is one you can read, repeat and refine.

Acaia Pearl Pitch Black coffee scale, full view
Acaia Pearl real-time flow-rate LED indicator detail

Built to industrial standards.

Beneath the matte Pitch Black shell sits laboratory weighing technology in a modular design. It's a precision instrument made to live on your brew bar for years and to feel as considered as the coffee you make with it.

Modes

One scale,
every brew method.

From a quick single dose to a full pour over ritual, the Pearl adapts to the way you brew, with essential modes ready out of the box and more inside the app.

01

Weighing Mode

Pure, fast and stable weight readings to 0.1 g for dosing beans and water.

02

Dual Display Mode

Weight and timer side by side, the everyday mode for dialled-in pour over.

03

Auto-Start Timer

The timer starts the instant water hits the cup, so your ratio and time always line up.

04

Dosing / Portafilter Mode

Auto-tare for fast, consistent back-to-back doses at the espresso bar.

05

Beverage Mode

Tuned for pour over and beverages, with extraction measurements you can observe and refine.

How accurate does a pour over scale really need to be?

A pour over scale needs a resolution of 0.1 g, and the reason is the coffee dose, not the water. At 15 g of coffee to 225 ml of water, a brew ratio of 1:15, a deviation of one gram shifts the dose by almost 7 percent. You can taste that in the cup. A scale that reads in 0.1 g steps keeps the same error below 1 percent, while one gram more or less water hardly matters. The second requirement is a timer on the same display, because a pour depends on how much water reaches the grounds in how much time. Third, the reading has to respond quickly so it follows the stream instead of lagging behind it. Fourth, the scale needs enough capacity for dripper, server and water together. The Acaia Pearl Pitch Black reads to 0.1 g, carries up to 2000 g, responds in 20 ms and shows weight and timer side by side. Its battery lasts 30 to 40 hours and charges over USB Type-C.

What a pour over scale has to do

The table lists the requirements in the order you notice them while brewing, next to the values of the Acaia Pearl Pitch Black from the details list on this page.

Pour over scale: requirements and values of the Acaia Pearl Pitch Black
Criterion Why it matters Acaia Pearl Pitch Black
Resolution With 15 g of coffee, one gram off shifts the dose by almost 7 percent. 0.1 g
Maximum capacity Dripper, server and brewing water sit on the scale at the same time. 2000 g
Battery life A scale that rarely needs the cable stays on the brew bar. 30 to 40 hours, charging over USB Type-C
Timer Weight and brew time belong on one display so pour and time line up. built in, auto-start on first water contact
Response time The reading has to follow the stream, or you pour too much. 20 ms
Flow rate Shows whether you pour evenly. LED indicator from 0.5 to 9.5 g/s

The Pearl in your brewing setup

While you pour, the Pearl sits under dripper and server, for example the Graycano Dripper with the Filter GC01 on top of the Pourcano. It shows how much water runs through the coffee bed in how much time. What it cannot show is how much of the coffee actually dissolved. That is what a refractometer such as the DiFluid R2 Extract measures. Dose and beverage weight from the scale, combined with the TDS reading, give you the extraction yield, which you can calculate and save in the Brew Lab.

How the Pearl works together with dripper, grinder and water is shown in the pour over setup in three steps.

Frequently asked questions

For the water, often yes. For the coffee dose, usually not. Kitchen scales often read in whole grams only. With 15 g of coffee, one gram off means almost 7 percent more or less dose, and that changes strength and extraction noticeably. On top of that, kitchen scales rarely have a timer and often lag behind a thin stream of water. If you brew now and then by feel, a kitchen scale will do. If you want to repeat a recipe or change it on purpose, you need 0.1 g resolution and a timer on the same display. The Acaia Pearl offers both and responds in 20 ms.

For brewing itself the Pearl needs no app: weight, timer and flow rate are right on the display. The app covers everything beyond a single pour. Over Bluetooth the Pearl connects to the free Acaia Coffee app on iOS and Android, where you save recipes, open further brewing modes and review the data of every brew. That pays off when you refine a recipe over weeks and want to see what changed between two cups. If you only want to track weight and time, you can leave the app out.

The Acaia Pearl is a barista-grade coffee scale built on laboratory weighing technology. It reads to 0.1 g with a 20 ms response time, pairs weight with a built-in timer, and adds a real-time flow-rate indicator so you can control extraction with precision. Ordinary kitchen scales do not offer this combination.

An LED strip along the top of the display visualises how fast you are pouring in real time, spreading out from the centre (0.5 g/s) toward the ends (9.5 g/s). Brighter LED pairs mark the recommended flow thresholds: the first at 2.5 g/s and the second at 6.5 g/s. That way you can pour evenly and repeatably. Pour faster than 11.5 g/s and the outermost LEDs glow brighter to warn you.

The Pearl offers essential modes including Weighing Mode, Dual Display Mode (weight and timer side by side), Auto-Start Timer Mode that begins timing the moment water hits the cup, a Dosing/Portafilter Mode for fast back-to-back tares, and a Beverage Mode tuned for pour over and extraction measurements.

The rechargeable lithium-ion battery delivers 30 to 40 hours of continuous use and charges over USB Type-C. If you brew one cup a day, a single charge can last for months.

Yes. The Pearl connects via Bluetooth to the free Acaia Coffee app on iOS and Android, where you can access brewing modes, save and replay recipes, and review real-time extraction data for every session.

Yes. While the flow-rate indicator is built for pour over, the 0.1 g resolution, fast stabilisation and dosing mode also make the Pearl a dosing and brewing scale for espresso, immersion and any manual brew method.

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