1. Introduction
Thank you for purchasing the MiiCoffee Nano Timer Coffee Scale. This compact and precise scale is designed to enhance your coffee brewing experience, whether for espresso or pour-over methods. It features an integrated timer, automatic tare function, and accurate measurements to 0.1g.
2. Product Features
- New Version V2 Design: The V2 features a charging port and switch positioned on the left side to minimize steam exposure from espresso machines. It includes a dedicated button for mode switching. The wider base provides enhanced stability for measurements.
- Compact Size: Designed to fit under most espresso machines and in the palm of your hand. Dimensions: 10 x 9.74 x 1.8 cm.
- Clean and Simple Aesthetics: Equipped with an invisible LED screen and hidden touch controls. Comes with an insulated silicone mat for protection and easy cleaning.
- Precise Measurement: Offers accurate measurements up to 3 pounds (approximately 1360 grams) in 0.1 gram increments. Supports units in grams, ounces, and milliliters.
- Integrated Timer: Features a built-in timer for precise control over your coffee brewing process, ideal for both espresso and manual pour-over methods.
- Rechargeable Battery: Powered by an 800mAh lithium battery, rechargeable via the included Type-C USB cable. Provides up to 15 hours of continuous use on a full charge.
3. Package Contents
- MiiCoffee Nano Timer Coffee Scale
- USB Type-C Charging Cable
- Insulated Silicone Mat
- Instruction Manual (this document)
4. Setup
4.1 Initial Charge
Before first use, fully charge the scale. Connect the included USB Type-C cable to the charging port on the left side of the scale and to a compatible USB power adapter (not included). The battery indicator on the display will show charging status.

Image: Side view of the MiiCoffee Nano scale, highlighting the USB-C charging port and the dedicated mode switch button.
4.2 Placement
Place the scale on a flat, stable surface. For espresso brewing, ensure it fits comfortably under your espresso machine's portafilter. The compact design is intended for this purpose.

Image: The MiiCoffee Nano scale positioned under an espresso machine, demonstrating its compact size during espresso extraction.
4.3 Silicone Mat
Place the included silicone mat on the scale's weighing platform. This mat protects the scale from heat and spills, and provides a non-slip surface for your brewing vessel.

Image: The MiiCoffee Nano scale highlighting the insulated silicone pad and its frosted, easy-to-clean surface.
5. Operating Instructions
5.1 Power On/Off
To power on, press and hold the power button (usually indicated by a circle with a vertical line) on the touch interface until the display illuminates. To power off, press and hold the same button.
5.2 Tare Function
Place your empty container on the scale. Press the Tare button (often indicated by 'T' or a circle with a horizontal line) on the touch interface to reset the display to zero. This allows you to measure only the contents.
5.3 Unit Conversion
The scale supports grams (g), ounces (oz), and milliliters (ml). Press the Unit button (often indicated by 'U' or a symbol like 'g/oz') to cycle through the available units.
5.4 Timer Function
The MiiCoffee Nano features an integrated timer. In certain modes (e.g., Espresso Mode), the timer may start automatically when liquid is detected. For manual timing, press the Timer button (often indicated by a clock icon) to start, pause, and reset the timer.

Image: The MiiCoffee Nano scale's display, illustrating the Espresso Mode with automatic timer start and auto-weight features.
5.5 Mode Switching (V2 Specific)
For V2 models, a dedicated button on the side allows you to switch between different operating modes (e.g., manual mode, espresso mode with auto-timer). Refer to the display indicators for the active mode.
6. Maintenance
6.1 Cleaning
Wipe the scale's surface with a soft, damp cloth. The frosted surface and silicone mat are designed for easy cleaning. Do not immerse the scale in water or use abrasive cleaners.
6.2 Storage
Store the scale in a dry place away from extreme temperatures. Ensure the scale is turned off when not in use to conserve battery life.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Scale does not turn on. | Low battery or power switch is off. | Charge the scale using the USB-C cable. Ensure the physical power switch (if present on V2 models) is in the 'on' position. |
| Inaccurate readings. | Unstable surface, scale overloaded, or foreign object on platform. | Place scale on a flat, stable surface. Ensure weight is within maximum capacity (3 lbs). Remove any debris. Recalibrate if necessary (refer to advanced settings if available, not detailed in current data). |
| Timer not starting automatically. | Not in Espresso Mode or insufficient liquid flow. | Switch to Espresso Mode using the dedicated button. Ensure liquid is flowing onto the scale to trigger the auto-start. |
| Display is unresponsive. | Temporary software glitch or low battery. | Try turning the scale off and on again. Charge the battery. |
8. Specifications
- Brand: MiiCoffee
- Model: Nano
- Part Number: MiiCoffee-Scale-Tiny
- Material: ABS
- Color: Black
- Product Dimensions: 9.91 x 9.4 x 1.78 cm (3.9 x 3.7 x 0.7 inches)
- Item Weight: 198 g (0.44 lbs)
- Maximum Weight Capacity: 3 pounds (approx. 1360 g)
- Measurement Accuracy: 0.1 g increments
- Units: Grams (g), Ounces (oz), Milliliters (ml)
- Battery: 800mAh Lithium Ion (rechargeable)
- Charging Port: USB Type-C
- Battery Life: Up to 15 hours (approx.)
- Special Features: Integrated Timer, Automatic Tare, Hidden Touch Controls, Insulated Silicone Mat

Image: Comparison of MiiCoffee Nano and Nano Pro models, detailing specifications like material, display resolution, size, battery capacity, and charging features.
9. Warranty and Support
For warranty information or technical support, please refer to the contact details provided with your purchase or visit the official MiiCoffee website. Keep your proof of purchase for warranty claims.
