1. Introduction
The Brewista Ratio Pour Over Coffee Scale (BWRRS1) is designed to assist in precise pour-over coffee brewing. It features dual timing bars to display actual and desired pour rates, adjustable water-to-grounds ratios, and both automatic and manual operating modes. This scale is equipped with a water-resistant nano-coating and a USB rechargeable battery, making it a reliable tool for consistent coffee preparation.
2. Important Safety Information
- Do not immerse the scale in water. While water-resistant, it is not waterproof.
- Use only the provided micro USB charging cord for recharging the battery.
- Avoid placing the scale near extreme heat sources or in direct sunlight for prolonged periods.
- Do not attempt to disassemble or repair the scale yourself. Contact customer support for assistance.
- Keep out of reach of children.
- Ensure the scale is placed on a stable, flat surface for accurate measurements.
3. Package Contents
Verify that all items are present in the package:
- Brewista Ratio Pour Over Coffee Scale (BWRRS1)
- Silicone protective pad
- Micro USB charging cord
- Instruction Manual
Image: The Brewista Ratio Pour Over Coffee Scale, including the main unit, a silicone protective pad, and a micro USB charging cable.
4. Product Overview
The Brewista Ratio Scale features an intuitive control panel and a clear digital display. The main components include the weighing platform, the display screen, and several control buttons.
Image: A close-up view of the scale's control panel, showing the ON/OFF, MODE, RATIO, UNIT, ZERO, and TIMER buttons, along with the digital display.
Control Buttons:
- ON/OFF: Powers the scale on or off.
- MODE: Switches between automatic and manual operating modes.
- RATIO: Used to set the desired coffee-to-water ratio.
- UNIT: Changes the unit of measurement (grams or ounces).
- ZERO: Tares the scale (resets the weight to zero).
- TIMER: Starts, pauses, or resets the brewing timer.
5. Setup
5.1 Initial Charging
Before first use, fully charge the scale using the provided micro USB cable. Connect the cable to the scale's charging port and to a standard USB power source. The charging indicator will show the charging status.
5.2 Placement
Place the scale on a flat, stable, and level surface. Ensure there are no vibrations or drafts that could affect the accuracy of the readings. Place the silicone protective pad on the weighing platform to protect the scale and provide stability for your brewing vessel.
6. Operating Instructions
6.1 Power On/Off
- To turn on: Press the ON/OFF button.
- To turn off: Press and hold the ON/OFF button for a few seconds.
6.2 Changing Units
With the scale on, press the UNIT button to toggle between grams (g) and ounces (oz).
6.3 Setting the Coffee-to-Water Ratio
Before starting your brew, you can adjust the desired coffee-to-water ratio:
- Turn on the scale.
- Press and hold the RATIO button.
- While holding RATIO, press it repeatedly to cycle through ratios from 1:14 to 1:20.
- Release the RATIO button when your desired ratio is displayed. The scale will remember this setting.
6.4 Operating Modes (Automatic vs. Manual)
Press the MODE button to switch between Automatic and Manual modes.
- Automatic Mode: Automatically tares the scale and starts the timer when a brewing vessel is placed on it and water is added.
- Manual Mode: Requires manual activation of the tare and timer functions. This mode offers more control over the brewing process.
6.5 Pour Over Brewing Process (Manual Mode Example)
Follow these steps for a precise pour-over using the Brewista Ratio Scale in Manual Mode:
- Prepare the Scale: Place the scale on a stable surface. Ensure it is charged.
- Weigh Beans: Place an empty container on the scale. Turn the scale on. It will automatically tare to zero. Add your whole coffee beans to the container to your desired weight. Remove the beans and grind them.
- Prepare Brewer: Place your brewing vessel (e.g., Chemex, V60) with a filter on the scale. Press the ZERO button to tare the weight of the vessel and filter. The display will show "0.0".
- Add Ground Coffee: Add your ground coffee to the filter. You can temporarily lift the brewer to settle the grounds, then place it back on the scale.
- Activate Ratio Calculation: Press the RATIO button. The scale will calculate the target water weight based on the weight of your coffee grounds and the pre-set ratio. The target water weight will be displayed, and a kettle icon will appear.
- Start Bloom: Begin pouring water for the bloom. Aim for approximately 2-3 times the weight of your coffee grounds.
- Start Timer: Once the bloom is complete (typically 30-45 seconds), press the TIMER button to start the brewing timer.
- Monitor Pour Rate: Observe the dual timing bars on the display. The "Actual" bar shows your current pour rate, while the "Target" bar indicates the ideal rate for a 2.5-minute pour. Adjust your pouring speed to keep the "Actual" bar aligned with the "Target" bar.
- Continue Pouring: Continue pouring water until you reach the target water weight displayed on the scale.
- Finish Pour: As you approach the target weight (within 60g), the display will start blinking to indicate you are nearing completion. Stop pouring when the target weight is reached.
- Allow Drip: Let the coffee finish dripping through the filter. The total brew time (including drip) should be between 4 to 6 minutes.
Video: This video demonstrates the functions of the Brewista Ratio Scale, including setting ratios, switching modes, and a detailed walkthrough of the pour-over brewing process in manual mode, highlighting the use of dual timing bars.
Image: A person carefully pouring hot water over coffee grounds in a pour-over cone, which is placed on a glass server, all resting on the Brewista Ratio Scale. This illustrates the brewing process.
7. Maintenance
7.1 Cleaning
- Wipe the scale surface with a soft, damp cloth.
- Do not use abrasive cleaners or immerse the scale in water.
- The silicone protective pad can be removed and washed with mild soap and water. Ensure it is completely dry before placing it back on the scale.
7.2 Storage
Store the scale in a clean, dry place away from extreme temperatures and humidity. The scale comes with a hard plastic shell (packaging) that can be used for protection during storage.
8. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Scale does not turn on. | Low battery or no charge. | Charge the scale using the micro USB cable. |
| Inaccurate readings. | Unstable surface, drafts, or object touching the scale. | Place the scale on a flat, stable surface. Ensure no external factors interfere with the weighing platform. Recalibrate if necessary (refer to specific calibration instructions if available in full manual). |
| Display shows "Err". | Overload or internal error. | Remove any excess weight. Turn the scale off and then on again. If the error persists, contact customer support. |
| Timer or Ratio function not working. | Incorrect mode or sequence. | Ensure you are in the correct operating mode (Manual or Automatic) and following the steps outlined in Section 6.5. |
9. Specifications
- Brand: Brewista
- Model: BWRRS1
- Color: Black
- Material: Silicone (pad)
- Display Type: Digital
- Readout Accuracy: ±0.1g
- Item Weight: Approximately 14.1 ounces (400 grams)
- Product Dimensions: 8.3 x 6.5 x 1.8 inches (21.1 x 16.5 x 4.6 cm)
- Power Source: USB rechargeable battery
- Special Features: Dual timing bars, adjustable ratios, automatic/manual modes, water-resistant nano coating.
Image: A diagram illustrating the dimensions of the Brewista Ratio Scale, showing a length of 8.2 inches (20 cm).
10. Warranty & Support
For warranty information and customer support, please refer to the official Brewista website or contact your local distributor. Keep your purchase receipt as proof of purchase for any warranty claims.