overall
Acaia Pearl Model S
9.7
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For perfect pour-overs and espresso, a precise coffee scale is essential. Our top pick is the Acaia Pearl Model S for its unmatched accuracy and smart features.
| # | Product | Best for | Precision (0.1g) | Battery Life | Waterproof | |
|---|---|---|---|---|---|---|
| 1 | Acaia Pearl Model S | overall | 0.1g | Rechargeable lithium-ion, ~20 hours | Yes (IPX5) | Check Price |
| 2 | Hario V60 Drip Scale | pour-over | 0.1g | 2 AAA batteries, ~1 year | No (splash resistant) | Check Price |
| 3 | Timemore Black Mirror Basic 2 | value | 0.1g | USB rechargeable, ~30 hours | No (splash resistant) | Check Price |
| 4 | Felicity Hill Espresso Scale | espresso | 0.1g | USB rechargeable, ~20 hours | No (splash resistant) | Check Price |
| 5 | Escali Primo Digital Scale | budget | 1g (0.5g at low weights) | 2 AAA batteries, ~2 years | No | Check Price |
Why we picked it: The Acaia Pearl Model S offers professional-grade precision with 0.1g accuracy and a responsive touchscreen. Its built-in brew guide and app connectivity streamline pour-over techniques. The IPX5 waterproof rating ensures longevity in wet environments. Owners praise its reliability and sleek design.
Perfect for serious home baristas and coffee enthusiasts who want the best precision and smart features.
Not for those on a tight budget or who prefer simple, analog scales.
Key specs: Capacity: 2000g - Precision: 0.1g - Battery: Rechargeable Li-ion, ~20h - Waterproof: IPX5 - Dimensions: 6.3 x 6.3 x 0.8 in
Why we picked it: The Hario V60 Drip Scale is a classic choice for pour-over lovers, offering a built-in timer and 0.1g precision. Its compact size fits perfectly under a V60 dripper. The simple interface makes it easy to use without distractions. It runs on AAA batteries for over a year of regular use.
Ideal for pour-over enthusiasts who want a dedicated, reliable scale without breaking the bank.
Not suitable for espresso workflows or those needing waterproofing.
Key specs: Capacity: 2000g - Precision: 0.1g - Battery: 2 AAA, ~1 year - Waterproof: No - Dimensions: 6.7 x 4.7 x 1.2 in
Why we picked it: The Timemore Black Mirror Basic 2 offers excellent value with 0.1g precision and a sleek, slim profile. Its USB-C rechargeable battery lasts up to 30 hours on a single charge. The scale is responsive and features auto-tare and auto-off functions. Users appreciate the build quality for the price.
Great for budget-conscious coffee lovers who want modern features like USB-C and long battery life.
Not for those who need a built-in timer or waterproofing.
Key specs: Capacity: 2000g - Precision: 0.1g - Battery: USB-C Li-ion, ~30h - Waterproof: No - Dimensions: 5.9 x 4.7 x 0.6 in
Why we picked it: The Felicity Hill Espresso Scale is designed specifically for espresso with a slim profile that fits under most portafilters. It includes a timer and large, easy-to-read display. The USB rechargeable battery offers good runtime. Owners like its accuracy and simplicity for espresso dosing.
Best for home espresso enthusiasts who need a scale that fits under their machine and tracks shot time.
Not for pour-over users or those who prefer a metal build.
Key specs: Capacity: 2000g - Precision: 0.1g - Battery: USB Li-ion, ~20h - Waterproof: No - Dimensions: 6.3 x 4.3 x 0.7 in
Why we picked it: The Escali Primo is a budget-friendly option that offers reliable performance for basic coffee weighing. It has a simple interface and durable construction. While precision is 1g for most weights, it can measure 0.5g increments under 100g. It runs on AAA batteries for up to two years.
Ideal for beginners or those on a tight budget who need a basic scale for coffee.
Not for precision-focused users or espresso dosing requiring 0.1g accuracy.
Key specs: Capacity: 5000g - Precision: 1g (0.5g under 100g) - Battery: 2 AAA, ~2 years - Waterproof: No - Dimensions: 5.75 x 4.75 x 1 in
For most coffee brewing, 0.1g precision is recommended, especially for espresso where small variations matter. For pour-over, 0.1g is also ideal, but 1g scales can work for beginners.
Yes, if you frequently brew near water or clean your scale often. Waterproof scales like the Acaia Pearl Model S (IPX5) can withstand spills and rinsing, increasing longevity.
A built-in timer is very useful for pour-over and espresso, as it helps you control brew time. Many scales integrate the timer, making workflow smoother.
Yes, but most kitchen scales have 1g precision, which is insufficient for espresso. For pour-over, 1g may be acceptable, but 0.1g scales are recommended for consistency.
Look for 0.1g precision for espresso and pour-over. Higher precision ensures consistent brew ratios and better flavor extraction.
Consider battery life and charging method. USB rechargeable scales are convenient, while AAA battery models can last over a year. Choose based on your usage habits.
If you often brew near water or want easy cleaning, a waterproof scale (IPX5 or higher) is a good investment. Otherwise, splash-resistant models suffice.
| Feature | Why it matters |
|---|---|
| Precision to 0.1g | Essential for accurate dosing and consistent brews, especially for espresso where a gram can make a difference. |
| Built-in Timer | Allows you to track brew time without a separate device, streamlining your pour-over or espresso workflow. |
| Rechargeable Battery | USB-C charging reduces waste and offers convenience, though battery life varies. Look for at least 20 hours of use. |
| Waterproof Rating | IPX5 or higher ensures the scale can handle spills and rinsing, increasing durability and ease of maintenance. |
Every product above was scored out of 10 on the same six-part rubric, then sorted into an S to C tier. We do not accept free units or payment for placement, and price or affiliate commission never factors into the score.
| Criterion | What we check | Weight |
|---|---|---|
| Core performance | The numbers that define the category: capacity, power, resolution, battery life, speed or output, taken from manufacturer specs and cross-checked against independent test data where it exists. | High |
| Build & reliability | Materials, warranty length, brand track record, and how often the model shows up in long-term failure or return complaints. | High |
| Real-world usability | Weight, dimensions, noise level, setup difficulty and day-to-day friction, drawn from owner reviews and published measurements. | Medium |
| Running cost | Ongoing costs beyond the purchase: subscriptions, consumables, energy use or maintenance, where they apply to the category. | Medium |
| Owner feedback | Patterns across aggregated verified owner reviews: recurring praise, recurring complaints, and whether the experience matches the marketing. | Medium |
| Value | What you get relative to the rest of the field at a similar price band, not an absolute price judgment. | Medium |
Sources: manufacturer spec sheets and manuals, retailer listing data, aggregated verified owner reviews, and published independent test results where available for the category.
Honesty note: We have not hands-on tested every product on this page. Where we have not personally used a product, its ranking is based on verified specs, aggregated owner feedback, availability and editorial comparison rather than a hands-on review. Hands-on impressions, when included in a product entry above, are clearly written from direct use.
We don't accept free units or payment for placement. Our rankings combine verified manufacturer specifications, real owner feedback and availability, compared on one transparent S to C rubric.