Acaia Lunar Coffee Scales


If you're looking for the very best brew scales on the market, for espresso, the Acaia Lunar are very difficult to beat, in most areas.

Are they overkill, probably ;-), but they're incredibly well built, they're the fastest scales I've used in terms of having virtually no latency, which is very helpful, and the smartphone app is very useful if you want to do get into flow profiling.

  • Max Capacity: 500g
  • Accuracy: 0.1g
  • Platform Size: 103mm x 103mm
  • Height: 1.5cm
  • Power: USB-C rechargeable battery
  • Timer?: Yes, standard and auto start
  • Auto Mode: Yes, multiple

The Acaia Lunar are possibly the most well-known, and most reassuringly expensive brew scales on the market.

They're lovely to look at, they're very low profile, they're crazy fast, they have more features than most people would ever need, and they have a mega smartphone app.

I've got these brew scales, and honestly, and while I'd say they're not perfect, and I think they are expensive what they are, I do think they're the most perfect scales I've used where it matters.

So whether they're worth it for you, will come down to what really matters to you where brew scales are concerned, and whether or not you can get the same performance in these areas without needing to spend this kind of money.

For me, the Acaia Lunar is worth it in these areas:

  • Build quality and durability
  • Very low profile
  • Super responsive
  • Long rechargeable battery life
  • App connectivity

Re the build quality, they're all Aluminum, and they look and feel really high quality. I've had mine for a couple of years, I've used them a lot, and I can vouch for them so far in terms of being durable.

They're among the most low-profile brew scales on the market, being just 1.5cm tall, which is very handy for espresso for obvious reasons. 

They're incredibly responsive, meaning that you get an almost real-time view of the shot weight, and this makes it much easier to achieve your target ratio. This is my favourite thing about them, I think. I've never used brew scales as responsive as the Lunar.

I very rarely have to recharge these scales, the charge lasts a loooooong time. The blurb says 30 hours of use, and that sounds over the top, but I really don't think it is. 

The numbers on the display are really easy to see, and it's simple to use, the only reason I say I don't think they're perfect is that I sometimes find the touch controls slightly fiddly.

It's probably me and my fat fingers, but it's simply that the power touch button has so many functions.

Other than taring (which is done with the tare button, unsurprisingly) everything else is done with the power button, and I sometimes find myself not doing what I'm intending on doing, for example I try to re-set the timer and end up turning them off instead, which sometimes results in obscene language.

I do have quite a few sets of brew scales though, and as I've said, I think these are the best where it really matters for espresso, if you can get your head around paying so much money for a set of scales.


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