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H E A D R O O M

C O F F E E

 

B R E W H E A D

The Tamper is spring-loaded to 

prevent over tamping and ensure 

that the thickness of the coffee is 

consistent and the surface level. 

This is essential to prevent the 

water finding the easiest path 

through the thin area of the coffee 

cake, resulting in weak, flavourless 

espresso.

BASKET- NORMALLY IN SINGLE 
AND DOUBLE CUP VERSIONS

HANDLE

LEVELLING GUIDE

TAMPING PLATE

PORTAFILTER

• A coffee Tamper is used to ensure that the coffee grounds in the basket are evenly 

distributed and compacted in a compressed cake. 

• Along with grind size and weight of coffee, tamping is used to control the extraction time. 

The tighter you compact the coffee cake, the longer the extraction.  

• 

The compressed cake forces the water to flow evenly through it, slow enough to pick up all 

the flavours needed for a perfect espresso. 

• 

If the cake is not compressed, water will flow through the less dense areas or gaps in the 

grinds, resulting in a weak, flavourless expresso. 

MOULDED
GROUNDS

+   TAMPING   =

HIGH DENSITY 

AREA

WHAT IS A COFFEE TAMPER AND WHY IS 

TAMPING IMPORTANT?

KNOWING YOUR 
DUALIT TAMPER

HANDLE

LEVELLING GUIDE

HEADROOM

TAMPING PLATE

Your Dualit Tamper has an 

adjustable tamp pressure that helps 

change the amount of compaction 

of the coffee cake. This can be 

used to fine tune your extraction 

time. 

The headroom of your coffee is the distance between the 

tamped coffee and the brewhead of your coffee machine. If it 

is too low the water will sit on the coffee surface, creating a 

wet puck (hard to clean!) and poor extraction. If the headroom 

is too small, the water will not properly penetrate the coffee. 

Please note: if you are using a double walled filter cup 

then you will always get a wet puck after extraction.

Your tamper’s guide ensures it will 
always tamp the coffee to the correct 
headroom. However, this will not work 
if you are using too much or too little 
coffee in your basket.

The business end of the tamper, 

the part that comes into contact 

with the coffee cake and creates a 

smooth flat surface. 

MOULDED
GROUNDS

+   TAMPING   =

HIGH DENSITY 

AREA

MOULDED
GROUNDS

+   TAMPING   =

HIGH DENSITY 

AREA

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