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Calibrated tamper: help
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ila
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Joined: 24 May 2012
Posts: 12
Location: Italy
Expertise: I love coffee

Posted Wed Aug 1, 2012, 5:11am
Subject: Calibrated tamper: help
 

Hi, i'm italian. I've a calibrated tamper. this is guaranteed to a pressure of 30 lbs, but if I of the tests by pressing with the tamper on the scale, when the handle touches the base of the steel pressure is approximately 14 lbs. A friend has a tamper different and the pressure it exerts is about 28-30 lbs. My tamper can be adjusted? is like that in the picture

ila: 416FFCTLXwL._SL190_CR0,0,190,246_.jpg
(Click for larger image)
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NobbyR
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NobbyR
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Posted Wed Aug 1, 2012, 5:13am
Subject: Re: Calibrated tamper: help
 

Are you sure it's 14 lb and not 14 kg, which would be approximately 30 lb? After all you're in Italy, where your scale should be calibrated to the metric system.

Apart from that, it's not really important how hard you tamp as long as you do it consistently with the same pressure each and every time. The influence of tamping on extraction time is far from the impact of the fineness of grounds.

 
***
"This drink of the Satan is so delicious that it would be a shame to leave it to the infidels." (Pope Clement VIII on coffee, when he was urged to ban the beverage)
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ila
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Joined: 24 May 2012
Posts: 12
Location: Italy
Expertise: I love coffee

Posted Wed Aug 1, 2012, 5:23am
Subject: Re: Calibrated tamper: help
 

the pressure that my tamper exerts until it touches the base is about 6kg (13.3 lbs). I think it is a copy of the "espro" tamper. the distance between the handle and the base is about 5mm at rest. I think you would need a harder spring
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NobbyR
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NobbyR
Joined: 10 Jul 2011
Posts: 1,991
Location: Germany
Expertise: I love coffee

Espresso: Poccino Opus One, Ariete
Grinder: Eureka Mignon Istantaneo
Vac Pot: N/A
Drip: Melitta Linea Unica de Luxe
Roaster: N/A
Posted Wed Aug 1, 2012, 5:27am
Subject: Re: Calibrated tamper: help
 

OK, so you're messurements have been correct. Sorry about the silly question. But you might still do fine with a light tamp.

 
***
"This drink of the Satan is so delicious that it would be a shame to leave it to the infidels." (Pope Clement VIII on coffee, when he was urged to ban the beverage)
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ila
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Joined: 24 May 2012
Posts: 12
Location: Italy
Expertise: I love coffee

Posted Wed Aug 1, 2012, 5:31am
Subject: Re: Calibrated tamper: help
 

sorry, but i don't understand when you write "But you might still do fine with a light tamp". I must use my calibrated tamper as normal (fix) tamper? tank's!
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NobbyR
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NobbyR
Joined: 10 Jul 2011
Posts: 1,991
Location: Germany
Expertise: I love coffee

Espresso: Poccino Opus One, Ariete
Grinder: Eureka Mignon Istantaneo
Vac Pot: N/A
Drip: Melitta Linea Unica de Luxe
Roaster: N/A
Posted Wed Aug 1, 2012, 5:40am
Subject: Re: Calibrated tamper: help
 

No, you don't. You just tamp with the calibrated pressure you're tamper offers and adjust your grinder accordingly.

 
***
"This drink of the Satan is so delicious that it would be a shame to leave it to the infidels." (Pope Clement VIII on coffee, when he was urged to ban the beverage)
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CMIN
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Posted Wed Aug 1, 2012, 5:45am
Subject: Re: Calibrated tamper: help
 

]Did you get it off Ebay? That pic looks like one of the ones they use on there. I bought what I thought was a Espro tamp, but it was just a generic 'automatic calibrated tamper'. These are not as good as the Espro. I bought a 58mm that was off in measurement by a couple mm. It also was slightly crooked which I noticed right before I returned it. Here's a thread I made on it: http://coffeegeek.com/forums/espresso/questions/586020

The Espro has their logo/insignia up top, these generic ones have an X or similar like Click Here (i146.photobucket.com)
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ila
Senior Member


Joined: 24 May 2012
Posts: 12
Location: Italy
Expertise: I love coffee

Posted Wed Aug 1, 2012, 5:46am
Subject: Re: Calibrated tamper: help
 

ok! As a thank you for your Italian passion for coffee. ordinary people in Italy is not so fond of the art of coffee ...
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NobbyR
Senior Member
NobbyR
Joined: 10 Jul 2011
Posts: 1,991
Location: Germany
Expertise: I love coffee

Espresso: Poccino Opus One, Ariete
Grinder: Eureka Mignon Istantaneo
Vac Pot: N/A
Drip: Melitta Linea Unica de Luxe
Roaster: N/A
Posted Wed Aug 1, 2012, 5:53am
Subject: Re: Calibrated tamper: help
 

ila Said:

... ordinary people in Italy is not so fond of the art of coffee ...

Posted August 1, 2012 link

I guess that's because you can get your caffè at any bar. You don't need to brew espresso at home. Dici la sagra scrittura: unni c'è erva, 'un ci voli grasciura.

 
***
"This drink of the Satan is so delicious that it would be a shame to leave it to the infidels." (Pope Clement VIII on coffee, when he was urged to ban the beverage)
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ila
Senior Member


Joined: 24 May 2012
Posts: 12
Location: Italy
Expertise: I love coffee

Posted Wed Aug 1, 2012, 5:59am
Subject: Re: Calibrated tamper: help
 

]Did you get it off Ebay? That pic looks like one of the ones they use on there. I bought what I thought was a Espro tamp, but it was just a generic 'automatic calibrated tamper'. These are not as good as the Espro. I bought a 58mm that was off in measurement by a couple mm. It also was slightly crooked which I noticed right before I returned it. Here's a thread I made on it: coffeegeek.com/forums/espresso/questions/586020

The Espro has their logo/insignia up top, these generic ones have an X or similar like Click Here (i146.photobucket.com)

yes.. it's a similar...
likely to change the spring inside the tamper would become harder and should be better but I'm afraid of damaging it.
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