1. Product Overview
The OutIn Claro Portable Coffee Scale is a compact and precise weighing instrument designed for various coffee brewing methods. It features high accuracy, multiple brewing modes, and a durable, portable design.

Image 1.1: OutIn Claro Portable Coffee Scale with its protective case, highlighting its compact and portable design.
Key Features:
- Compact & Lightweight Design: Measuring 11x11x2cm and weighing just 175g, its round design fits comfortably in one hand. Includes a waterproof, scratch-resistant case for durability.
- Versatile Brewing Modes: Supports Manual, Espresso (M1), and Pour-Over (M2) modes, automatically taring and calculating key data like coffee liquid weight and powder-to-water ratio.
- Precision Weighing: Measures from 0.3g to 2000g with 0.1g accuracy. Easily switches between "g" and "oz" units.
- Durable & Safe: Features a food-grade silicone mat that prevents splashes, absorbs heat, and ensures stability.
- Powerful Battery Life: One charge powers up to 400 brewing cycles. Energy-saving sleep mode activates after 120 seconds of inactivity, with instant wake-up.
Video 1.1: An overview of the OutIn Claro Portable Coffee Scale, demonstrating its features and compact design.
2. Setup
2.1 Unboxing and Initial Inspection
Carefully remove all components from the packaging. Verify that all items are present: the OutIn Claro scale, silicone mat, protective carrying case, and USB-C charging cable. Inspect for any visible damage.
Video 2.1: An unboxing video of the OutIn Claro scale, showing the contents and initial setup.
2.2 Initial Charge
Before first use, fully charge the scale using the provided USB-C cable. The battery indicator on the display will show charging status. A full charge ensures optimal performance and battery life.
2.3 Placing the Silicone Mat
Place the food-grade silicone mat on the weighing platform. This mat protects the scale from heat and spills, and provides a stable surface for your brewing equipment.

Image 2.1: The OutIn Claro scale with its silicone mat in place, ready for coffee preparation.
3. Operating Instructions
3.1 Power On/Off and Tare Function
- Power On/Off: Single-tap the Power/Tare button to turn the scale on. Long-press to turn off.
- Tare Weight: Single-tap the Power/Tare button to zero out the current weight (tare function).
3.2 Unit Selection
Double-tap the Unit button to switch between grams (g) and ounces (oz).
3.3 Mode Selection
Double-tap the Mode button to cycle through the available brewing modes: Manual (Standard), Espresso (M1), and Pour-Over (M2).

Image 3.1: The OutIn Claro scale showing precision weighing with coffee beans on the platform.
3.4 Timer Function
- Start/Pause Timer: Single-tap the Timer button to start or pause the timer.
- Reset Timer: Long-press the Timer button to reset it to zero.
3.5 Mute/Unmute Function
Single-tap the Mute/Unmute button to toggle sound feedback on or off.
3.6 Espresso Mode (M1)
In M1 mode, the scale automatically tares when a cup is placed, starts timing when espresso begins to flow, and pauses when the flow stops. This mode is ideal for precise espresso shot extraction.

Image 3.2: The OutIn Claro scale operating in M1 Espresso Mode, showing automatic timing during espresso extraction.
3.7 Pour-Over Mode (M2)
In M2 mode, the scale automatically locks the weight of the grounds, tracks water in real-time, and displays both brew time and ratio for optimal pour-over coffee preparation.

Image 3.3: The OutIn Claro scale operating in M2 Pour-Over Mode, displaying real-time weight and time for pour-over brewing.
4. Maintenance
4.1 Cleaning
Wipe the scale surface and silicone mat with a soft, damp cloth. Do not immerse the scale in water or use abrasive cleaners. The silicone mat is removable and can be washed separately.
4.2 Battery Care
To prolong battery life, charge the scale regularly. The energy-saving sleep mode activates after 120 seconds of inactivity to conserve power. Ensure the charging port is dry before connecting the USB-C cable.
5. Troubleshooting
- Inaccurate Readings: Ensure the scale is on a flat, stable surface. Avoid placing it near vibrating equipment or in direct drafts. Recalibrate if necessary (refer to the user guide for calibration steps).
- Display Not Working: Check battery level and charge the scale if low. If the issue persists, try resetting the scale by turning it off and on.
- Scale Not Turning On: Ensure the battery is charged. If fully charged and still not turning on, contact customer support.
- Timer Malfunction: Reset the timer by long-pressing the Timer button. If the automatic modes are not functioning as expected, ensure the correct mode (M1 or M2) is selected.
6. Specifications
| Feature | Detail |
|---|---|
| Brand | OutIn |
| Model | OT-SCL-01 |
| Color | Black |
| Weight Capacity | 2000 Grams |
| Readout Accuracy | 0.1g / 0.01oz |
| Display Type | Digital |
| Material Type | ABS Plastic, Tempered Glass, Silicone Pads |
| Item Weight | 175 Grams |
| Special Features | High Precision 0.1g Accuracy, Three Brewing Modes, Customizable Brew Ratios, 120s Auto Sleep, Heat & Splash Resistant, Long-Lasting Battery, Compact Portable Design |
7. Warranty and Support
The OutIn Claro Portable Coffee Scale comes with a manufacturer's warranty. For detailed warranty information, product support, or service inquiries, please refer to the official OutIn website or contact their customer service directly. Keep your purchase receipt as proof of purchase.