RANCANG BANGUN KENDALI SUHU DAN TEKANAN PADA EKSTRAKTOR SOXHLET TERINTEGRASI PEMBATAS WAKTU EKSTRAKSI MENGGUNAKAN MIKROKONTROLLER ATMEGA 16

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ABSTRACT: Extraction of compounds in a variety of materials, especially materials crops today are often found as  a  source  of  natural  medicine.  Soxhlet  is  one  tool  that  is  used  as  a  medium  of  extraction  of  these compounds. Temperature and pressure as well as the long extraction affects the quality of compound extraction obtained. Control of temperature, pressure and time ekstraski kabanyakan still use manual so  that  there  is  an  error  caused  by  the  user  or  device  measuring.  In  this  paper  will  be  discussed extractor soxhlet integrated with the control system temperature, pressure and restrictions on timing extraction  using  a  microcontroller  ATMega  16  so  that  the  extraction  process  can  be  run automatically.  Control  system  temperature  and  pressure  using  a  thermocouple  type  K  which  has  a limit of measurement 0 - 12000C and pressure sensors MPX5700 which has a limit of measurement of the pressure of 0-700 Kpa. All output of this sensor will be read by the ADC microcontroller ATMega 16  is  already  integrated  with  internal  ADC  with  a  resolution  of  10  Bit.  Restrictions  on  the  timing ekstraski done by using timer microcontroller.  
Keywords: Temperature and Pressure Control, Timers, Microcontroller ATMega16
Penulis: Medilla Kusriyanto
Kode Jurnal: jptindustridd130552

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Jp Teknik Industri dd 2013