Category: Blog

Greetings, fellow coffee-lovers. Here we go again.

We consider ourselves a player-type manual coffee grinder company as we are constantly improving the features of the manual coffee grinder based on the feedback from our beloved coffee-lovers.   

I could think of the most common question that we’ve received is:

How to choose a 1Zpresso manual coffee grinder? There are so many of em.
What’s the difference between K-Plus and JE-Plus, I am so confused.
How do I perform the grind setting adjustment? The mystery had solved.
How do I calibrate my 1Zpresso manual coffee grinder? Another mystery had solved.

There are three kinds of adjustment settings from 1Zpresso manual coffee grinder, the classic internal adjustment design (Q2, JX, JE, JS grinder), the minor upper adjustment design (JX-Pro, JE-Plus grinder), and the proudly announced awarded external adjustment design (E-Pro, K-series – K-Pro, K-Plus grinder).

Besides the Accessories are included in the Pro and Plus tiers grinder.
We are going to reveal all the features of the 1Zpresso manual coffee grinder to clear your wonder. 

Pour-over

Q2 Grinder
One of the favorite items to go camping and hiking with. Nothing beats glazing the horizon on top of the mountain when you enjoy the coffee-break. A friendly travel-sized grinder with a 38mm burr size could fulfill your daily pour-over coffee needs.

JX Grinder
I would recommend JX grinder to the coffee-lovers who’re mainly brewing pour-over. It employed the large burr as 48mm and the classic internal adjustment resulted in greater grinding efficiency.

Espresso

JE Grinder
I would suggest JE grinder to the coffee-lovers who’re mainly brewing espresso. It is equipped with the burr size of 47mm and the classic internal adjustment.

JE-Plus Grinder
The premium version of JE grinder. The Itamill-coated burr set as 47mm and the minor top adjustment design has 12.5 microns per click which allows you to find the sweet spot of the espresso. And the magnetic catch-cup is ideal for brewing espresso and works well with 51mm and 58mm portafilter.

Pour-over & Espresso

JX-Pro grinder
The advanced version of JX grinder, it shares the same burr design as 48mm, except for the adjustment design. The overall grinder with the fine adjustment design (12.5 microns per click).

K-Pro grinder
The visible external adjustment with 90 clicks per round and the grinding efficiency as the specialized K Burr with 48mm.

K-Plus grinder
It has the same external adjustment design with 90 clicks and the specialized K Burr with 48mm as K-Pro grinder and the same magnetic catch-cup design as JE-Plus grinder with a capacity of 35~40g.

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The Grinding Result of 1Zpresso Grinder

We ran some grinding tests for the grinders with the 15g light-roasted coffee beans on Nov 19, 2020.
We thoughts it might help the coffee-lover to clear the wonder about the grinding consistency, it is not a professional test for particle distribution though.

Pour-over

Espresso

Pour-over & Espresso

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Calibration of 1Zpresso Grinders

There are three types of adjustment designs for 1Zpresso grinders, including internal adjustment, top adjustment and external adjustment. Many people might be curious about how to calibrate each of them. Therefore, today we’re going to explain to you.

How to Find the Zero Point / Starting Point?

First of all, we would like to define the zero point / starting point of our grinders. Turn the adjustment dial clock-wise all the way to find the zero point / starting point of the grinders. We define it to be at the point which the crank handle won’t rotate drastically instead of its tightest.

For people who have the Q2 / JX / JE, which are equipped with the internal adjustment, congratulations, you’ve already found the starting point by turning the adjustment dial clockwise till the crank handle won’t rotate drastically. The numbers on the dial are designed for counting how many steps you’ve turned and therefore the starting point is not necessary to be at #0.

Generally, the top adjustment shares the same concept with the internal adjustment that the numbers on the dial are designed for counting how many steps you’ve turned and therefore the starting point is not necessary to be at #0. However, if you would like to set the starting point to #0, please follow the few steps below:

Step 1. When the dot points to #1/#2/#3 instead of #0 at the tightest, please simply remove the adjustment nut (by twisting it counterclockwise).
Step 2. Adjust the knurled thumb nut counter-clockwise by 1/2/3 clicks.
Step 3. Screw back the adjustment nut and the starting point should be at #0 (±2 clicks).

For the K-Pro and K-Plus, to set your grinders to zero, please follow these steps:

Step 1. Tighten the adjustment dial counter-clockwise.

Step 2.

• If the red dot is at the left of #0, loosen the adjustment dial clockwise a little bit, push the burr from the bottom and tighten the knurled thumb nut clockwise.
• If the red dot is at the right of #0, note the clicks of distance from #0 (for example, 12 clicks), loosen the adjustment dial clockwise a little bit, push the burr from the bottom and loosen the knurled thumb nut counter-clockwise by 12/2 = 6 clicks.

Step 3. Repeat step 1 and 2 until the red dot points to #0.

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Greetings, fellow coffee-lover.

Do you know how to read the grind setting reference of the 1Zpresso manual coffee grinder? 
Here is the tutorial for y’all to learn. 

I personally tired of carefully adjusting the grinder when there are many clicks without knowing where it was. 

All the burr in the grinder was calibrated by the 1Zpresso team to ensure maximum stability over time.
The outer ring and the burr were built through precision finishing so tolerance was expected as the first few clicks of the outer ring and the burr would touch.

Many of you know there are many models of 1Zpresso manual coffee grinder.
Kindly read the article to learn how to find the zero point in order to start the grind setting adjustment.

Adjustment design of 1Zpresso Manual Coffee Grinders