?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=DESAIN+DAN+REALISASI+ALAT+UKUR+MASSA+JENIS+ZAT+CAIR+BERDASARKAN+HUKUM+ARCHIMEDES+MENGGUNAKAN+SENSOR+FOTODIODA&rft.creator=LUH+ARI+ANJARSARI%2C+1017041032&rft.subject=QC+Physics&rft.description=Abstrak%0D%0A%0D%0ATelah+direalisasikan+alat+ukur+massa+jenis+zat+cair+berdasarkan+hukum+Archimedes+menggunakan+sensor+fotodioda+sebagai+pendeteksi+kenaikan+tinggi+benda+terapung.+Penelitian+ini+bertujuan+untuk+merealisasikan+alat+ukur+massa+jenis+zat+cair+berbasis+mikrokontroler+ATMEGA+8535+menggunakan+prinsip+hokum+Archimedes.+Sinyal+analog+yang+dihasilkan+oleh+fotodioda+memiliki+rentang+4%2C81-+2%2C18+volt+dengan+pengukuran+jarak+1+cm+-+9+cm+dan+divariasikan+setiap+0%2C2+cm.+Benda+apungan+yang+digunakan+yaitu+balok+kayu+mahoni+dengan+volume+400+cm3+dan+massa+238+gram.+Perangkat+lunak+yang+digunakan+adalah+CAVR+untuk+pemrograman+mikrokontroler+dan+hasil+pengukuran+massa+jenis+zat+cair+ditampilkan+pada+layar+LCD+16x2.+Kalibrasi+alat+dilakukan+dengan+cara+membandingkan+nilai+massa+jenis+yang+diperoleh+dari+perhitungan+massa+dan+volume+sampel+zat+cair+dengan+menggunakan+timbangan+digital+yang+ada+pada+Lab+Fisika+Material+FMIPA+Unila.+Rentang+pengukuran+alat+ini+untuk+jarak+yaitu+1+cm+%E2%80%93+9+cm+dari+atas+permukaan+benda+terapung+sampai+dengan+posisi+sensor%2C+dengan+volume+tetap+yaitu+500+ml+dan+memiliki+batasan+ketinggian+zat+cair+dalam+wadah+konstan+yaitu+5+cm.+Sampel+zat+cair+yang+digunakan+pada+penelitian+adalah+air%2C+minyak+tanah%2C+oli+SA-E+40+dan+minyak+goreng.+Dari+hasil+penelitian+diperoleh+nilai+massa+jenis+rata-rata+untuk+air+adalah+1%2C04+gr%2Fcm3%2C+minyak+tanah+sebesar+0%2C83+gr%2Fcm3%2C+oli+SA-E+40+sebesar+0%2C85+gr%2Fcm3+dan+untuk+minyak+goreng+sebesar+0%2C92+gr%2Fcm3.+Alat+ukur+ini+memiliki+keakurasian+sebesar+98%2C25%25+dan+error+sebesar+3%2C875%25.%0D%0AKata+kunci%3A+Massa+jenis%2C+hukum+Archimedes%2C+fotodioda%0D%0A%0D%0A%0D%0A%0D%0A%0D%0A%0D%0AAbstract%0D%0A%0D%0AA+measuring+instrument+density+of+liquid+by+Archimedes%E2%80%99s+law+has+been+implemented+with+photodiode+as+the+detection+for+floating+object+volume.+Analogue+signals+produced+by+photodiode+have+a+range+4%2C81-2%2C18+volt+with+the+measurement+of+distance+from+1%2C0+cm+-+9%2C0+cm+and+has+been+variated+every+0%2C2+cm.+The+object+of+floating+used+mahoni%E2%80%99s+tree+with+volume+400+cm3+and+mass+238+grams.+Software+used+to+this+research+is+CAVR+for+programming+mikrokontroler+and+the+result+of+measuring+a+density+of+liquid+shown+on+the+lcd+screen+16x2.+Calibration+instrument+is+by+comparing+the+value+of+a+density+with+manual+calculate+mass+and+volume+use+a+digital+weight+in+Fisika+Material%E2%80%99s+Laboratorium.+Range+of+measurement+this+device+for+distance+is+1%2C0+cm+%E2%80%93+9%2C0+cm+from+above+floating+objects.+While+the+volume+has+fixed+that+is+500+ml+and+limit+of+the+height+of+a+liquid+substance+in+a+container+constant+consisting+of+5+cm.+The+liquid+samples+used+for+this+research+are+water%2C+kerosene%2C+oil+SA-E+40+and+cooking+oil.+From+the+results%2C+the+density+of+water+is+1.04+r%2Fcm3%2C+kerosene+is+0.83+gr%2Fcm3%2C+oil+SA-E+40+is+0.85+gr%2Fcm3+and+0.92+gr+%2Fcm3+for+cooking+oil.+This+measurement+have+value+of+accuracy+is+98.25%25+and+an+error+is+3.875%25.%0D%0A%0D%0AKeywords%3A+Density%2C+Archimedes%E2%80%99s+law%2C+photodiode&rft.publisher=Fakultas+Matematika+dan+Ilmu+Pengetahuan+Alam&rft.date=2015-02-16&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F7523%2F1%2FABSTRACT.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F7523%2F2%2FABSTRAK.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F7523%2F3%2FCOVER%2520DALAM.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F7523%2F4%2FHALAMAN%2520PERSETUJUAN.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F7523%2F5%2FHALAMAN%2520PENGESAHAN.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F7523%2F6%2FPERNYATAAN.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F7523%2F7%2FRIWAYAT%2520HIDUP.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F7523%2F8%2FPERSEMBAHAN.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F7523%2F9%2FMOTO.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F7523%2F10%2FSANWACANA.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F7523%2F11%2FKATA%2520PENGANTAR.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F7523%2F12%2FDAFTAR%2520ISI.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F7523%2F13%2FDAFTAR%2520TABEL.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F7523%2F14%2FDAFTAR%2520GAMBAR.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F7523%2F15%2FBAB%2520I.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F7523%2F16%2FBAB%2520II.pdf&rf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