Hario Kitchen Scale - Barista scale - black

All about the product

Important information:

• Maximum weight capacity: 2000 g

• Maximum counting time: 99 minutes 59 seconds

• Box dimensions: 162 x 61 x 210 mm

• Automatic shutdown: approximately 5 mA

• Power source: AAA 1.5 V x 2

• Material: glass surface

General measurement method

1. Turn on the scales

Gently press the ON/OFF TARE button to turn on the scales.

Note: Always use the scales on a stable, flat surface.

Once turned on, startup symbols will display on the screen for about 3 seconds, then it will transition to "0.0 g".

If "0.0 g" does not appear, press and hold the ON/OFF TARE button for about 2 seconds to turn off the scales, then turn them back on.

Note: Do not place any items on the scales while they are on.

2. Place the item on the scales

Place the item you want to weigh on the weighing platform.

• Place items only on the scales platform.
• Maximum capacity is 2000 g.
• If this limit is exceeded, an error message "EEEE" will display on the screen.

3. Turn off the scales after use

To turn off the scales, press and hold the ON/OFF TARE button for about 2 seconds.

Measuring with container weight subtraction (tare function)

1. Turn on the scales

2. Place the container on the scales

3. Reset the display

4. Place the content

Add the products to the container. The display will show only the weight of the content.

Note: if the total weight on the scales exceeds 2000 g, an error message "EEEE" will be displayed on the screen.

5. Remove the container

If the container and its content are removed, the display may show a negative value (e.g., "–").

After use, press and hold the ON/OFF TARE button for about 2 seconds to turn off the scales.

Timer function

1. Start the timer

2. Pause or continue

3. Reset the timer

To restore the timer to zero, press and hold the START/STOP button for about 2 seconds.

Brewing coffee with pour-over using barista glass scales

01 Turn on the scales.

02 Place the serving tray and dripper (with filter paper) on the scales.

03 Set the scales to zero.

04 Pour and weigh the coffee.

05 Set the scales to zero.

06 Start the timer and slowly pour hot water to fully saturate the coffee grounds.

07 Allow the coffee grounds to bloom for about 30 seconds.

08 Add the required amount of hot water according to your coffee brewing recipe.

09 The total extraction time is about 3 minutes.

10 Once done brewing coffee, turn off the scales to complete the extraction.

Cleaning instructions

• Clean the device with a soft, damp, and well-wrung cloth.
• For stubborn stains, use a cloth lightly dampened with diluted neutral detergent.
• Do not use benzene, thinner, gasoline, kerosene, alcohol, or other chemical solvents, as they may change color, deform, or cause damage.

Battery replacement

1. Open the battery cover at the back of the device.

2. Remove old batteries and insert new ones, ensuring the +/− polarity is correct.

3. Securely close the battery cover.

Notes:

• Incorrect polarity may damage the product.
• Replace batteries when the display becomes dim or shows a "Lo".
• If the device will not be used for an extended period of time, remove the batteries to prevent damage from battery leakage.
• The estimated battery life is approximately 12 months, depending on usage frequency.
• Recommended operating conditions: temperature 23 °C ± 5 °C, humidity 50 % ± 20 %.
• Dispose of used batteries in accordance with local regulations.

Accuracy specifications

This product is manufactured and tested in compliance with Japanese legal metrology standards, ensuring measurement accuracy within these ranges under normal conditions ( 23 °C ± 5 °C and 50 % ± 20 % humidity).

Additional notes

• These scales are designed for home use only and are not suitable for commercial transactions, medical purposes, or other high-precision measurements.
• Unstable surfaces, sudden temperature or humidity changes, prolonged use, or regional gravity differences can affect measurement accuracy.
• Weight fluctuations of up to ±2 g during use are normal.

Usage Precautions

• This is a precision device. Handle it carefully, avoiding drops and strong impacts, as this may cause malfunction.
• Gently place items on the weighing platform. Excessive force may damage the sensor.
• Do not leave items on the platform and avoid placing weight on it for long periods during storage, as this may deform or damage the sensor.
• Use the scales on a stable, non-slip surface to prevent inaccurate readings or accidental falls.
• Avoid high-temperature environments, as excessive heat may deform or pose a fire hazard.
• Keep the device away from gas stoves, heaters, ovens, and direct sunlight.
• Avoid humid environments, as moisture may cause malfunctions.
• Do not use the device in extreme temperatures, do not disassemble, modify, submerge in water, or use it outdoors, as this may cause malfunction.

Battery Usage Warnings

• Do not heat, disassemble, recharge, or throw batteries into fire, as this may cause leakage, explosion, or damage.
• Avoid using alkaline batteries, as they may leak quickly and pose safety risks. If battery fluid contacts skin or eyes, wash thoroughly with water and seek medical attention immediately.
• Keep batteries out of reach of infants and children to prevent accidents.
• Do not mix different brands or old and new batteries, as this may cause leakage or explosion.
• When replacing batteries, replace both batteries at the same time.
• Remove batteries when not using the device for an extended period to prevent damage from battery leakage.

Battery Safety Precautions

• Do not replace batteries.
• Do not mix different types, brands, or old and new batteries, as they may leak or rupture.
• Battery life may vary depending on usage frequency and environmental conditions.
• If the device will not be used for a long time, store batteries properly or remove them from the device.

Main Specifications

Type: Scale with timer

• Measurement range: 0.5 g–2000 g
• Minimum display resolution: 0.5 g–200 g: 0.1 g 200 g–1 000 g: 0.5 g 1 000 g–2 000 g: 1 g
• Display: 4-digit LCD
• Maximum timer duration: 99 minutes 59 seconds
• Accuracy at 20°C: ±0.0026%
• Stabilization time: approximately 3 seconds
• Power: 2 × AAA 1.5 V batteries (batteries included for testing purposes)
• Energy consumption (in use): about 8 mA
• Auto-off: approximately after 5 minutes (when no activity is detected)