acaia PS001 User manual

Acaia Pearl Model S
User Manual
FW 1.0.052
PS001 / PS002

In the Box
Introduction
Scale Overview
Getting Started
Placement
Power On / Off
Tare Weight
Toggle Units
Switch Modes
Using the Acaia Brewguide
Using Brewguide for the First Time
Using Brewguide on Pearl S
Brewguide Action Buttons
Product Care Information
Battery Charging
Battery Indicator
Calibration
Mode Introduction
Mode 1 - Weighing Mode
Mode 2 - Dual Display Mode
Mode 3 - Pour Over Auto Start Mode
Mode 4 - Portalter Mode
Mode 5 - Espresso Mode
Mode 6 - Flowrate Mode
Mode 7 - Flowrate Practice Mode
Conguration
Appendix
Buttons
LED Indicators
Error Codes
Other
Specications
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Contents

Next, follow the instructions in the “Getting Started” chapter in this manual to start using
your scale. To take full advantage of the many features of the Pearl Model S, carefully read
through this user manual for step-by-step procedures, examples, and other information.
Warning: Incorrect handling of this product could result in personal injury or physical damage.
Thank you for choosing one of our scales. The Acaia Pearl Model S is designed and
manufactured to the most rigorous standard to give you the best coffee brewing experience.
First, check the shipping carton to nd the following:
*Note: For the best performance, place the weight in the center of the weighing pan.
In the Box
Introduction
Scale Overview
Weighing Pan
LED Display
Power Tare
Acaia Pearl Model S
Coffee Scale
Heat Resistant Coaster Micro USB Charging Cable
3

Getting Started
Placement
Power On / Off
Tare Weight
Toggle Units
Switch Modes
Select a work surface that is stable, vibration-free and level to
place the scale.
4
[Press] to turn on the scale.
[Double tap] to turn off the scale.
[Press] to tare/zero the weight.
[Press and hold] for one second to switch modes.
* Please see the “Mode Introduction” section for more details.
[Press and hold] for ve seconds to toggle units.

Brewguide is a step-by-step interactive guide to brewing coffee. Simply scan the Acaia
Brewguide QR code on the coffee bean bag, and use the Acaia Brewguide app to download
the recipe to your Pearl S. In the Brewguide app, you can also discover guides created by
roasters around the world.
Download the
Brewguide app
Search or scan the QR
Code to nd the brewguide
you need.
Wait until the brewguide
is sent to the Pearl S; this
may take up to one minute.
Activate the Bluetooth on
your phone and connect
with the Pearl S
Select a brewguide.
Follow the guide and get
brewing!
Follow the instructions on
the Brewguide app
Choose “Upload to Pearl
S” in the app to send it to
Pearl S.
Using the Acaia Brewguide
Download
1
4
Connect
2
5
Start personalization
3
Using Brewguide for the First Time
Using Brewguide on Pearl S
5

Brewguide Action Buttons
Enter Brewguide mode
Go to the next brewing step
Replay the current brewing step
In any scale mode, [press and hold] for one second
In Brewguide mode, [press and hold] for one second
In Brewguide mode, [press] to replay
6
Go back to the previous brewing step
Tare
In Brewguide mode, [press and hold] for one second
In Brewguide mode, [press] to tare

• You can charge the battery by plugging the USB cable into
any of the power supplies listed below:
• A computer
• A USB wall-charger with an output of 5 volts and 1 amp
• A DC car-charger with an output of 5 volts and 1 amp
• It takes about 3-4 hours to fully charge the battery from
empty. Try not to let the battery completely run out before
charging. Charge the battery as needed.
• A fully charged battery can provide up to 16 hours of
working time in normal brightness and up to 40 hours in low
brightness mode.
• To check remaining battery level, see “Battery Level
Indicator” section.
* Note: Using a “fast-charging” charging block or charging hub (a charging block/hub delivering
over 5v at 1A) could damage your Acaia scale’s circuit board.
Turn on the Acaia
scale.
Make sure the scale
is in weighing mode
and the unit is set to
‘gram’, then tap the
‘T’ button rapidly.
Keep tapping the ‘T’
button until ‘CAL’ is
shown on the
display.
Place a weight
(100 g/500 g/1000 g)
on the scale and wait
until the display
shows ‘_End_’.
Calibration is now
complete!
Product Care Information
Turn on scale Tap Tare button See CAL display Place a weight
Battery Charging
Calibration
7
Battery Indicator
• When the scale is off, the remaining battery level can be viewed by pressing and holding
the power button until the battery level indicator is displayed.
• You can also check the battery level by connecting the scale to Acaia Apps.

In the Weighing Mode, the scale will only display
weight, in either grams or ounces.
In the Dual Display Mode, the scale displays [ 0:00 0.0 ]
with a timer (left) and weight (right).
• There are two different weighing units in Weighing Mode: gram and ounce. A green
dot will appear in the upper right of the LED display and the scale will read 0.000 when
weighing in ounces.
• The LED display shows [ 0.0 ] when the scale is measuring in grams.
• The LED display shows [ 0.000 ] when the scale is measuring in ounces.
• The readability is 0.1 g for grams and 0.005 oz for ounces.
• There are two different weighing units in Dual Display Mode: gram and ounce.
• The LED display shows [0:00 0.0] when the scale is measuring in grams.
• The LED display shows [0:00 0.000] when the scale is measuring in ounces.
• When the weight exceeds 999 grams, the LED display only shows the integer part
(the decimal point will not be displayed). The LED display shows up to a maximum of
3000 grams. If the weight exceeds 3000 grams, the scale will display [ Maximum ].
Mode Introduction
Mode 1 - Weighing Mode
Mode 2 - Dual Display Mode
Action Operation
Tare Weight Tap Tare button
Toggle Units g/oz Press and hold Tare button for ve seconds
Reset Mode Double tap Tare button
Switch Mode Long press Power button
Action Operation
Start/Stop/Reset Timer Tap Power button
Tare Weight Tap Tare button
Reset Mode Double tap Tare button
Toggle Units g/oz Press and hold Tare button for ve seconds
Switch Mode Press and hold Power button
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• The LED display ashes [ 0.0 ] and [ 0:00 0.0 ] when measuring in grams and the
timer is idle.
• The LED display ashes [ 0.000 ] and [ 0:00 0.000] when measuring in ounces and the
timer is idle.
• Once the timer has started, the LED display shows [ 0:00 0.0 ], with the time elapsed on
the left and the weight on the right in grams.
• Once the timer has started, the LED display shows [ 0:00 0.000], with the time elapsed on
the left and the weight on the right in ounces.
• When the weight exceeds 999 grams, the LED display only shows the integer part (the
decimal point will not be displayed). The LED display shows up to a maximum of 3000 grams.
If the weight exceeds 3000 grams, the scale will display [ Maximum ].
• If the timer has not started yet, the display will ash 0:00 and a water droplet.
• The timer will start automatically when the rst ow of water is detected.
• The timer stops when the brewing equipment is removed. The scale will ash between
the beverage weight and the tare weight of the items on the scale.
Mode 3 - Pour Over Auto Start Mode
Mode Description
Display
Action Operation
Start/Stop/Reset Timer Tap Power button
Tare Weight Tap Tare button
Reset Mode Double tap Tare button
Toggle Units g/oz Long press Tare button for ve seconds
Switch Mode Press and hold Power button
The Pour Over Auto Start Mode is designed to aid
pour over coffee brewing. The scale will detect
the start of the ow from kettle into the vessel and
automatically start the timer function; the timer stops
when the brewing equipment has been removed
from the scale. When the vessel is removed from the scale, the display ashes the nal
beverage weight.
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Note
1. If the scale is left idle for 15 seconds or you double tap the Tare button, the Pearl Model S
will automatically reset the mode to default for the next auto-tare operation.
2. To change the timer reset length in Portalter Mode, see the “Conguration” section.
Mode 4 - Portalter Mode
Action Operation
Tare Weight Tare function begins automatically when a stable weight
is placed on the scale
Reset Mode Double tap Tare button
Toggle Units g/oz Long press Tare button for ve seconds
Switch Mode Press and hold Power button
• When measuring in grams, the display shows [ 0.0 ] before a portalter is placed
on the scale.
• When measuring in ounces, the display shows [ 0.000 ] before a portalter is placed
on the scale.
• The display shows [ 0.0 ] after a portalter has been registered.
• Place an empty portalter on the scale, and the scale will register the weight of the
portalter.
• Remove the portalter after [ ] disappears.
Display
Mode Description
The Portalter Mode is designed to simplify the workow
of weighing coffee grounds in a portalter. The scale
automatically detects a portalter or other vessel and
tares the weight of the vessel. Remove the portalter to
add coffee grounds, then place on the scale again to
measure the weight of the coffee grounds. Repeat as needed to adjust the weight. After
the portalter has been removed for 15 seconds, the scale will reset the mode to default
for the next workow.
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• The LED display shows [ 0:00 0.0 ] with the timer on the left and the weight on the right
in grams.
• The LED display shows [ 0:00 0.000] with the timer on the left and the weight on the
right in ounces.
• When the weight exceeds 999 grams, the LED display only shows the integer part (the
decimal point will not be displayed). The LED display shows up to a maximum of 3000
grams. If the weight exceeds 3000 grams, the scale will display [ Maximum ].
• When an object (such as a cup) weighing two grams or more is placed on the scale and
the weight reading is stable, the scale will perform auto tare.
• After the scale detects the ow of espresso, the timer will start. The timer will stop when
the espresso ow stops.
• When the espresso is ready and the cup is removed, the display will ash between the
beverage weight and the vessel weight.
Note
1. In Espresso Mode, the timer will stop when the espresso ow stops.
2. The auto-tare function is performed only when the weight exceeds two grams.
3. If you leave the scale idle for ten seconds, it will reset the timer and perform tare
operation.
4. In Espresso Mode, the timer will also stop when a negative weight (i.e., removal of
a cup) is detected.
Mode 5 - Espresso Mode
Mode Description
Display
Action Operation
Start/Stop/Reset Timer Tap Power button
Tare Weight Tap Tare button
Reset Mode Double tap Tare button
Toggle Units g/oz Long press Tare button for ve seconds
Switch Mode Press and hold Power button
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The Espresso Mode is designed to aid espresso
extraction. The scale automatically detects a cup,
shot glass, or other vessel and tares the weight of
the vessel. The scale will then detect the start of the
ow of espresso into the vessel and automatically
start the timer function; the timer stops when the ow of espresso into the vessel stops.
When the vessel is removed from the scale, the display ashes between the beverage
weight and vessel weight.

Designed for pour over coffee brewing. The display
includes timer, owrate, and weight.
A real-time owrate meter mode designed for practicing
your infusion stability. The current owrate is displayed on
the left, and the stability of pouring is shown through the
indicator bar.
• The LED display shows [0:00 0.0 0.0] when the scale is measuring in grams.
• The LED display shows [0:00 0.0000.00] when the scale is measuring in ounces
• When the weight exceeds 999 grams, the LED display only shows the integer part
(the decimal point will not be displayed). The LED display shows up to a maximum of
3000 grams. If the weight exceeds 3000 grams, the scale will display [ Maximum ].
• The owrate is measured in grams per second (g/s) on the right hand side of the
display.
• The owrate is measured in g/s and oz/s.
• Each dot on the indicator bar represents a 0.5 g/s increment. The bar provides a
visualization of owrate stability.
Mode 6 - Flowrate Mode
Mode 7 - Flowrate Practice Mode
Action Operation
Start/Stop/Reset Timer Tap Power button
Tare Weight Tap Tare button
Reset Mode Double tap Tare button
Toggle Units g/oz Long press Tare button for ve seconds
Switch Mode Long press Power button
Action Operation
Toggle Units g/oz Long press Tare button for ve seconds
Switch Mode Long press Power button
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Time Weight Flowrate

1. Press and hold the Power button while the LED display shows [ acaia ] and then
changes to [ Settings ].
2. Tap the T button to enter Settings. The rst setting is [ Brightness ].
3. Please refer to the following table for key operations
Conguration
Enter Settings
Settings Menu
Action Operation
Next Setting Tap Tare button
Previous Setting Tap Power button
Enter Setting Press and hold Tare button
Toggle Options Tap Tare button
Save Option Press and hold Tare button
Back to Menu without Saving Tap Power button
Exit Settings and Return to Modes Double tap Power button
Setting Display Options Default
Brightness Setting Brightness Low, Medium, High, Bright Medium
Key Sound Setting Beep On, Off On
Default Weighing Unit Setting Unit Gram, Ounce Gram
Weighing Mode Setting Weighing Mode On, Off On
Dual Display Mode Setting Dual Display Mode On, Off On
Pour Over Auto Start Mode Setting Pour Over Auto Start Mode On, Off Off
Portalter Mode Setting Portalter Mode On, Off Off
Espresso Mode Setting Espresso Mode On, Off Off
Flowrate Mode Setting Flowrate Mode On, Off Off
Flowrate Practice Mode Setting Flowrate Practice Mode On, Off Off
Hello Message Setting Hello Message On, Off Off
Bluetooth Setting Bluetooth Setting On, Off On
Sleep Timer Setting Sleep Timer 5 Min, 10 Min, 20 Min,
30 Min, 60 Min, Off
5 Min
Battery Saving Setting Battery Saving 90 Sec, 180 Sec, Off 90 Sec
Weighing Filter Setting Filter Normal, High, Sensitive Normal
Zero Tracking Setting Zero Tracking 1D, 2D, 3D, Off 1D
Weighing Resolution Setting Resolution Default, High, Low Default
Timer Auto Stop on Cup
Removal Setting
Timer Auto Stop on Cup
Removal
10 Sec, 30 Sec, 60 Sec,
Off
10 Sec
Portalter Auto Reset Setting Portalter Auto Reset 15 Sec, 30 Sec, 60 Sec 15 Sec
Reset Default Reset Default No, Yes No
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Brightness Setting [Brightness]
1. You can adjust the brightness of the LED display.
2. Default brightness is set to Medium. Set to Bright when operating under strong light.
Key Sound Setting [Beep]
1. Use this setting to turn the beeping sound on or off.
Default Weighing Unit Setting [Unit]
1. The default weighing unit is set to be gram if [ Gram ] is selected and ounce if [ Ounce ]
is selected.
2. Tap the Tare button to switch the default weighing unit between gram and ounce.
Weighing Mode Setting [Weighing Mode]
1. By default, the Weighing Mode is set to On.
• On: The Weighing Mode is enabled.
• Off: The Weighing Mode is disabled.
Dual Display Mode Setting [Dual Display Mode]
1. By default, the Dual Display Mode is set to On.
• On: The Dual Display Mode is enabled.
• Off: The Dual Display Mode is disabled.
Pour Over Auto Start Mode Setting [Pour Over Auto Start Mode]
1. By default, the Pour Over Auto Start Mode is set to Off.
• On: The Pour Over Auto Start Mode is enabled.
• Off: The Pour Over Auto Start Mode is disabled.
Portalter Mode Setting [Portalter Mode]
1. By default, the Portalter Mode is set to Off.
• On: The Portalter Mode is enabled.
• Off: The Portalter Mode is disabled.
Espresso Mode Setting [Espresso Mode]
1. By default, the Espresso Mode is set to Off.
• On: The Espresso Mode is enabled.
• Off: The Espresso Mode is disabled.
Flowrate Mode Setting [Flowrate Mode]
1. By default, the Flowrate Mode is set to Off.
• On: The Flowrate Mode is enabled.
• Off: The Flowrate Mode is disabled.
Flowrate Practice Mode Setting [Flowrate Practice Mode]
1. By default, the Flowrate Practice Mode is set to Off.
• On: The Flowrate Practice Mode is enabled.
• Off: The Flowrate Practice Mode is disabled.
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Hello Message Setting [Hello Message]
1. By default, the Hello Message is set to Off.
• On: The Hello Message will show when the scale is turned on.
• Off: The Hello Message will not show when the scale is turned on.
Bluetooth Setting [Bluetooth Setting]
1. By default, the Bluetooth is set to On.
• On: The Bluetooth is enabled. The scale can be connected with Acaia apps.
• Off: The Bluetooth is disabled. The scale does not allow any Bluetooth connection.
Sleep Timer Setting [Sleep Timer]
1. The number displayed indicates the amount of time before the scale will automatically power
off. For example, when 10 is selected and the scale is disconnected from all mobile devices, the
scale will power off after 10 minutes of idling.
Battery Saving Setting [Battery Saving]
1. The default Power Saving Mode is set to 90 seconds.
2. The Acaia Pearl Model S will wait for the selected number of seconds to enter Power Saving
Mode. The LED display will dim to save power.
Weighing Filter Setting [Filter]
1. The weighing lter setting determines the speed with which the load receptor responds to and
determines the weight. “High” indicates a more stable but slower weighing result; “Sensitive”
indicates higher sensitivity and a faster weighing result.
Zero Tracking Setting [Zero Tracking]
1. Zero tracking is a function to help compensate the weight readout uctuations at zero point to
improve the usability of the scale. Acaia Pearl S is allowed to compensate the uctuation by up
to 2 d according to industrial weighing guidelines.
2. Off: It is not recommended to turn off zero tracking as the zero indication can drift easily with
changing room temperatures.
3. 0.5 d~3 d: For example, since each division is 0.1 g, 3 d = 0.3 g. When zero tracking is set to
be 3 d, any initial weight between +/- 0.3 g on the weighing pan will be zeroed out.
4. 1 d is recommended for Acaia Pearl Model S.
Weighing Resolution Setting [Resolution]
1. The default weighing resolution is set to [ Default ], the division is 0.1 g for weights under 1500
grams and 0.5 g for weights between 1500 and 3000 grams.
2. When the weighing resolution is set to [ High ], the division will be 0.1 g throughout the entire
time from 0 to 3000 grams.
3. When the weighing resolution is set to [ Low ], the division will be 1 g throughout the entire
time from 0 to 3000 grams.
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Timer Auto Stop on Cup Removal Setting [Timer Auto Stop on
Cup Removal]
1. After a cup is removed, the timer will automatically pause. This setting gives you options on how
long to wait before pausing.
2. The default value for this setting is ten seconds.
Portalter Auto Reset [Portalter Auto Reset]
1. In Portalter Mode, after a portalter is removed, the weight will automatically reset. This setting
gives you options on how long to wait before resetting.
2. The default value for this setting is fteen seconds.
Reset Default [Reset Default]
1. To reset the scale to its factory default settings, go to [ Reset Default ], then choose [ Yes ]. The
scale will clear the Hello Message and reset all settings including Brewguide data to factory default.
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Appendix
Buttons
Function Example
Power
Button Turn on Press and hold for 0.5 seconds to turn on
the scale.
Turn off Double-tap to turn off the scale.
Switch Mode While the scale is turned on, press and hold
for one second to switch modes.
Start/Stop/Reset Timer Tap to start/stop/reset timer.
Back While in Settings Menu, double tap to go
back to Modes.
Tare
Button
Tare Tap to perform tare operation.
Toggle units Long press for ve seconds to change
weighing unit between gram and ounce.
Switch option
While in Settings, tap to advance through
settings options. While in settings, tap to
toggle options in sub menus.
Reset Double tap to reset a mode. This zeroes the
weight and sets the timer to 0:00.
Conrm
While in Settings, press and hold for two
seconds to conrm the option selected in a
sub menu.
Enter Brewguide Mode Press and hold for one second to enter
Brewguide Mode.
Enter Calibration Mode While in Weighing Mode, rapidly tap to
enter Calibration Mode.
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Error Codes
Battery charge/Charge error
The orange indicator on the upper left turns on when the battery is charging and turns off
when the battery is fully charged. The indicator starts ashing or does not appear when the
USB cable is not working.
Tare operation
The orange indicator on the lower left turns on when the Tare button is pressed.
Ounce indicator
The green indicator on the upper right turns on when the weight is measured in ounces.
Espresso Mode indicator
The green indicator on the lower right turns on when in Espresso Mode.
LED Indicators
Error Code Description
Error 100 Access Code Error, unrecognized access code.
Error 101 EEPROM error, unable to access memory. Please contact Acaia support.
Error 102 AD error, unable to access weighing signal. Please contact Acaia support.
Error 303 Unable to nd acceptable starting Zero point, most likely because the loadcell
has been damaged by excessive force or drop. Please contact Acaia support.
Maximum Overload: the weight is over the maximum capacity.
Underload Underload: the weight is under the minimum capacity.
Error 304 Calibration error. Calibration cannot proceed when environmental noises are
too strong. Please calibrate in a stable environment free of wind, vibration, etc.
Error 802 Unable to tare because the weight exceeds the acceptable tare range.
Error 803 Unable to tare because the weight is unstable.
Display Code Description
UPDATE
The scale is in update mode. During the update process, the green LED on
the lower right will blink until the process is complete.
Note: If you want to leave update mode, please connect the scale’s USB to a
power source.
Ounce indicator
Battery charge
Espresso Mode indicatorTare operation
Other
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Specications
Model PS001 / PS002
Product Weight 620 g ± 5 g
Product Dimensions W: 160 mm L: 160 mm H: 32 mm
Maximum Capacity 3000 g / 105.82 oz
Minimum Weight 0.1 g
Measuring Units gram, ounce
Readability 0.1 g
Repeatability 0.1 g
Linearity 1 d (d = 0.1 g / 0.5 g)
Indication Limit 3090 g / 108.99 oz
Power Supply 5 V / 500 mA
Battery Lithium-ion rechargeable 3.7 V 2200 mAh
Battery Life Up to 16~40 hours
Display Dot matrix LED
Material PC
Connectivity Bluetooth 4.0
Warranty 1 Year
Inside the Package
Acaia Pearl Model S Coffee Scale (White / Black) x 1
Heat Resistant Coaster (Round) x 1
Micro USB Charging Cable x 1
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Copyright
This user manual is protected by copyright. All rights reserved. No part of this manual may be reproduced,
processed, duplicated or published in any form by photocopying, microlming, reprinting or any other
method, in particular electronic means, without the written consent of Acaia.
© Acaia, California, 2021.