acaia Pearl Technisches Datenblatt
GET STARTED
Congratulations on becoming the owner of our newly reimagined Acaia Pearl.
Like the classic Pearl that it is based on, this scale is tailored for coffee
enthusiasts and professionals alike. It has a longer battery life and helpful
brewing modes, and includes new features such as a patent-pending
technology for faster weighing response time, a brand new Flow-Rate Indicator
for real-time feedback during pour over brewing, a modular design for
sustainable maintenance, and USB-C charging.
This quick start guide includes all the essential information you will need for
setting up and using your Pearl, and to explore its more advanced features if
you wish to do so. You can stick to the basics by simply monitoring weight and
time as you brew, or use the Flow-Rate Indicator and additional brewing
modes to enrich your pour over experience — the choice is yours and the
possibilities are endless.
Fall in love with the Pearl for the first time or all over again. Start brewing today
with consistency and insight.
Inside the Package
Before Using Your Pearl
Heat Resistant PadAcaia Pearl Coffee Scale USB Type-C
Charger Cable
Remove the warning
sticker on the front
Remove the protective
cardboard
Place the scale on a
steady and level surface
1
Double Tap
Tap
Press and Hold
Power
USB Type-C
Charging Port
Power on
Power off
Switch Mode
Switch between modes
Tare
Tare/Zero the weight
Scale Overview
LED Indicators
Tare ButtonPower Button
Charging/Low Battery
Indicator
Bluetooth Connection
Indicator
Weight Stable Indicator
Weighing in Ounces/Data
Transmitting Indicator
Button Pressed/
Stabilizing Indicator
Pour Over Auto-Start
Timer Indicator
Auto-Tare Indicator
2
The Flow-Rate Indicator is an LED bar on the top of the display. It helps you visualize
your pouring speed in real time and suggests thresholds for ideal flow rates. The
indicator measures flow rates with lit LEDs starting from 0.5 g per second in the center
to 9.5 g per second to the end. When the flow rate exceeds 11.5 g per second, the
last three LEDs will light up with enhanced brightness, indicating a high flow rate.
To provide thresholds for ideal flow rates, the first pair of the brighter LEDs represents
2.5 g per second. The second pair of brighter LEDs represents 6.5 g per second, for
targeting a faster pouring speed.
The Flow-Rate Indicator can be activated in Dual Display Mode, Pour Over Auto-Start
Timer Mode, and Beverage Mode. You can turn the indicator on or off in the advanced
settings menu.
Flow-Rate Indicator
Unit: g/s
2.56.5 6.59.5 9.52.5 1.0 1.011.5 11.5
Flow Rate > 2.5 g/s Flow Rate > 6.5 g/s Flow Rate > 11.5 g/s
3
The Acaia Pearl includes all the essential brewing modes to suit your coffee brewing
needs. Out-of-the-box settings include the most essential modes: Weighing Only Mode/
Dual Display Mode. Explore and enable more brewing modes with additional features
such as auto-start, auto-tare, and beverage weight calculation in Advanced Settings.
You can also tailor the scale according to your preference by changing the system
settings, such as adjusting the screen brightness, turning the Flow-Rate Indicator on or
off, and changing the auto-off timer setting.
To access Advanced Settings, press and hold while
the LED display shows . Continue holding until
the battery level is displayed, the scale will then enter
the settings menu automatically.
See the next section for brewing modes that can be selected through Advanced Settings.
Advanced Settings
The Acaia Pearl is equipped with charging protection to avoid charging
under high temperatures. It is normal if the scale does not charge when
its surface is still hot from brewing coffee. Battery charging function will
be enabled again when the scale has cooled.
You can use the included USB Type-C charger cable
to connect the Pearl to a USB port for charging. Fully
charged and with normal use, the scale can be used
continuously for about 30-40 hours.
Battery Charging
Tap Select
Press and hold Confirm
Tap Exit
4
Mode 1 - Weighing Only Mode
Mode 2 - Dual Display Mode
This mode is designed to aid pour over coffee brewing. The scale will detect the start of
the flow from kettle into carafe and automatically start the timer function; the timer stops
when the brewing equipment has been removed from the scale. When the carafe is
removed from the scale, the display flashes the final beverage weight.
Brewing Modes at a Glance
This mode is designed to speed up the workflow of accurately weighing coffee grounds
in a portafilter. The scale automatically tares the portafilter and allows adjustment of the
ground coffee in the portafilter. The mode will reset 15 seconds after the portafilter has
been removed to allow weighing for the next shot.
Mode 4 - Portafilter Mode ( )
Mode 3 - Pour Over Auto-Start Timer Mode ( )
With dual display of timer and weight, this mode is made for all your coffee brewing
needs, with manual control for timer and tare functions.
The weight only mode for all weighing purposes. Press and hold to select gram or
ounce as your weighing unit.
5
Total Time
Total Water
2:10
230.0 g
Beverage Weight 200.0 g Coffee to Beverage
Ratio 1:12.5
Tap when finished.
This mode is designed to measure the coffee-to-beverage ratio. It is one of the most
consistent methods for measuring pour over extraction. With this mode, you will be able
to see the time elapsed for the brew, total amount of water added, beverage weight in
the carafe, and the coffee-to-beverage ratio at the end of the brew.
Mode 5 - Beverage Mode
The Pearl will display the brew summary as the example below:
Press and hold to proceed to the next step.
Press and hold to proceed to the next step.
Press and hold to proceed to the next step.
Step 1. Place the cup/carafe on the scale.
Step 2. Place the filter/dripper on the cup.
Step 3. Put the coffee in the filter.
Step 4. Start pouring water and the timer will start automatically.
Step 5. Remove the filter/dripper from the cup.
Tap Tare
Press and hold Next Step
Tap Stop Timer
Press and hold Previous Step
6
The Acaia Pearl is a precision instrument, and regular calibration is recommended
with frequent use. To perform a smart calibration, select Weighing Only Mode,
switch the unit to grams, and follow the steps below:
Note: You may also use 500 g, 1000 g or 2000 g weights. If you use weights other
than Acaia Weights, we recommend standard F2 class weights.
Calibrating Your Scale
- Do not place hot objects directly on the weighing pan. Use a heat resistant pad.
- Any modification made without the consent of the manufacturer may result in damage
to scale.
- Avoid using the scale near very strong magnetic fields.
Caution
Place a calibration weight
on the center of the scale.
Calibration complete.
Remove the weight.
100g
100g 100g
Rapidly tap until
screen displays .
7
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