The Expobar Ofice Lever espreso machine I purchased mentions your ready to brew when the indicator reads 1 Bar to 1.5...

The Expobar Office Lever espresso machine I purchased mentions your ready to brew when the indicator reads 1 Bar to 1.5 Bars. My local Brista tells me that 9 Bars of preasure are required for propper espresso extraction. Is 1 Bar of preasure on this machine's indicator actually equal to 9 Bars of preasure? Is this a misprint in the spec's page on this site for the machine? I'm rather confused.
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The pressure gauge on the machine is an indicator of the boiler pressure (directly correlated to temperature). That gauge will generally read from .9-1.5 bar of pressure during normal operation. The pressure that the pump produces for brewing should be between 8-9 bars of pressure, like your barista told you. These are simply 2 different types of pressure being mentioned.
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