BOMATA CS120

BOMATA CS120 Coffee Scale User Manual

Model: CS120 | Brand: BOMATA

1. Introduction

Thank you for choosing the BOMATA CS120 Coffee Scale. This precision scale is designed to enhance your coffee brewing experience, whether for espresso or pour-over methods. It features high accuracy, an integrated timer, and a durable, waterproof design. Please read this manual thoroughly before use to ensure proper operation and maintenance.

2. Safety Information

Do not immerse the scale in water. The surface is waterproof, but the internal components are not.
Avoid placing the scale on an unstable or uneven surface to ensure accurate readings.
Do not overload the scale beyond its maximum capacity of 2000g (2kg).
Keep the scale away from extreme temperatures and direct sunlight.
Use only the provided Type-C charging cable or a standard Type-C cable for charging.
This device is for household use only.

3. Package Contents

Verify that all items are present in your package:

BOMATA CS120 Coffee Scale
Silicone Pad
Type-C USB Charging Cable
User Manual (this document)

4. Product Overview

The BOMATA CS120 features a minimalist design with an invisible LED display and touch-sensitive buttons. The integrated weighing platform ensures a seamless, easy-to-clean surface.

BOMATA CS120 Coffee Scale with minimalist design, invisible LED screen, and touch-sensitive buttons.

Image: Minimalist design with invisible LED screen and touch-sensitive buttons.

BOMATA CS120 Coffee Scale showing water being poured over its waterproof surface.

Image: Waterproof surface for easy cleaning.

Key Features:

High Precision: Measures from 0.3g to 2000g with 0.1g resolution.
Integrated Timer: Built-in timer for precise brewing.
Two Auto-Modes: Specialized modes for Espresso and Pour Over coffee.
Tare Function: Easily reset the weight to zero for containers.
Type-C Rechargeable: Built-in 1200mAh lithium battery.
Waterproof Surface: Easy to clean and durable.
Auto-Off Function: Saves battery (3 minutes, cancellable).
Buzzer/Beep Prompt: Audible feedback for operations (can be turned off).

5. Setup

Unpack: Carefully remove all components from the packaging.
Initial Charge: Before first use, fully charge the scale using the provided Type-C USB cable. The battery indicator will show charging status.
Placement: Place the scale on a flat, stable, and level surface to ensure accurate readings.
Silicone Pad: Place the silicone pad on the weighing platform. This protects the scale from heat and spills.

Close-up of the BOMATA CS120 Coffee Scale's Type-C charging port.

Image: Type-C charging port for convenient power.

6. Operating Instructions

Power On/Off:

Press the Power button () to turn the scale on.
Press and hold the Power button to turn the scale off.

Tare Function:

Place an empty container on the weighing platform.
Press the Power button once to zero out the weight of the container. The display will show "0.0g".

Video: Demonstration of the tare function on the BOMATA CS120 Coffee Scale.

Mode Selection (M Button):

Press the 'M' button to cycle through the following modes:

Manual Mode: Standard weighing and manual timer control.
Auto-Mode for Espresso: Automatically tares the cup weight, starts the timer when liquid drips, and locks the result when dripping ends. Note: A flow rate too slow may terminate the timer early. In such cases, use Manual Mode.
Auto-Mode for Pour Over Coffee: Automatically starts the timer when water is poured and locks results when the coffee appliance is removed.

BOMATA CS120 Coffee Scale showing auto modes for espresso and pour over coffee.

Image: Visual representation of the two auxiliary automatic modes.

Timer Function:

In Manual Mode, press the 'M' button to start/stop the timer.
Press and hold the 'M' button to reset the timer.

Video: Demonstration of the rechargeable coffee scale and its timer function.

Video: Review and demo of the BOMATA coffee scale, highlighting its features and ease of use.

7. Charging

The BOMATA CS120 is equipped with a built-in 1200mAh lithium battery. To charge, connect the provided Type-C USB cable to the charging port on the side of the scale and to a suitable USB power source.

The battery indicator on the display will show charging status.
Most standard Type-C cables and fast chargers are compatible.

8. Maintenance & Cleaning

Cleaning: Wipe the waterproof surface with a damp cloth. Do not rinse the scale under running water or immerse it.
Storage: Store the scale in a dry place, away from direct sunlight and extreme temperatures.
Silicone Pad: The silicone pad can be removed and washed separately. Ensure it is dry before placing it back on the scale.

9. Troubleshooting

Problem	Possible Cause	Solution
Inaccurate readings	Unstable surface, overload, low battery.	Place on a flat, stable surface. Ensure weight is within 2kg. Recharge battery.
Scale does not turn on	Low battery, power button not pressed correctly.	Charge the scale. Press and hold the power button firmly.
Timer stops prematurely in auto-mode	Flow rate too slow (Espresso auto-mode).	Switch to Manual Mode for better control with slow flow rates.
Display shows "Err"	Overload, unstable surface, internal error.	Remove weight, ensure stable surface. If error persists, contact support.

10. Specifications

Feature	Detail
Model	CS120
Weight Capacity	0.3g - 2000g (2kg)
Resolution / Increment	0.1g
Units	Grams (g)
Timer Function	Max 9 minutes 59 seconds
Power Supply	Built-in 1200mAh Lithium Battery (Type-C rechargeable)
Auto-Off	3 minutes (cancellable)
Dimensions	5 x 4.68 x 0.79 inches (12.7 x 11.9 x 2 cm)
Item Weight	0.39lb (181g)
Material	Silicone (pad)

11. Warranty & Support

For warranty information or technical support, please contact BOMATA customer service through the retailer where you purchased the product or visit the official BOMATA store page.

BOMATA Store: Visit the BOMATA Store on Amazon