Expobar 壓力調整問題 - 咖啡討論
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By Ursula
at 2020-06-11T08:36
at 2020-06-11T08:36
Table of Contents
各位前輩好,前陣子買了Expobar,
拆開做壓力調整時有些疑問,雖然上很多網站看,也看BH影片教學,
但是細節部分沒有說明完整,還請各位高手解惑。
(1)比如我希望沖煮壓力在9bar左右,是要調整成空放水在9bar還是上逆洗杯時9bar呢?
我的理解是...
因為咖啡粉填壓也會增加壓力,
如果空放水9bar,加上粉後會更高,所以應該是上逆洗杯後9bar,
甚至比9bar高一些,因為沖煮時會比逆洗杯低一些,
請問這樣有理解錯誤嗎?
(2)按照上面調整,空放水壓力大約8bar,每次沖煮時都會先到8bar,
稍微停頓一下就升到9bar左右,這樣應該是正常吧?
(3)OPV大約要調整在哪比較好?還有OPV怎樣才算調整完成?
比如說我OPV調整在10bar的意思,是指上逆洗杯後壓力一直上升到10bar,
卸壓閥開始"滴水"?還是"流水"?還是只要壓力表都沒有再上升即可?
(4)上逆洗杯後,壓力到達沖煮9bar後,之後的上升會很緩慢應該是正常吧?
最近一直在反覆測試OPV,深怕迴轉泵馬達被我燒壞...
第一次買高單價的半自動義式機,摸索中很多疑問,
還請各位不吝指教,感恩~
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at 2020-06-13T11:16
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