Kalibras(hit) Labu Takar.xlsx

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Puspita Sri Ayu W. 2F (PLI) 1630110

Kalibrasi Labu Takar DATA PENGAMATAN Labu Takar Pyrex Iwaki 50 ml 20°C Laboratorium Kalibrasi Politeknik AKA Bogor Tuesday, November 21, 2017 Neraca Ohaus 0.000 g Max = 1050 ct, readability = 0.001 g

Nama Alat Merk Kapasitas Suhu Acuan Tempat Kalibrasi Tanggal Kalibrasi Identitas Neraca LOP tertelusur Ke Alat Ukur Timbangan Termometer Air Barometer Udara Termometer Udara Hygrometer (RH)

satuan g °C mmHg °C %

NST 0.0001 0.1 0.1 0.1 0.1

U95% 0.85 0.4 0.5 3.8

U95/K

LOP 0.000

0.425 0.2 0.25 1.9

Perhitungan Keidakpastian Baku Labu Takar Volume Nominal (ml)

50

bejana kosong (ml)

35.5909

Rerata SD

bejana isi massa air (R Suhu Air ta Suhu Udara (ml) ) (g) (°C) tu (°C) 85.2894 85.2866 85.2969 85.3182 85.3153 85.3166 85.3038 0.0145

49.6985 49.6957 49.7060 49.7273 49.7244 49.7257 49.7129 0.0145

30 30 30 29.5 30 29.5 29.8

29 29 29 29 29 29 29

Tekanan Kelembaba Udara n (%) (mmHg) 759.39 759.39 759.39 757.52 757.14 756.62 758.24

59 59 59 58 58 57 58.3

INFORMASI

LOP Neraca U95 Term kaca U95 term duduk

0.0000 0.85 0.5

U95 barometer U95 higrometer toleransi alat

0.4 3.8 0.06

ɣ K

0.00001 2

FAKTOR

U95 ALAT

MASSA AIR U neraca u repeat U MASSA AIR SUHU AIR u termometer kaca U SUHU AIR ρ UDARA u term duduk u barometer u higrometer U ρ UDARA ρ AIR u termometer kaca U ρ AIR KOEF MUAI uɣ U KOEF MUAI MINISKUS U MINISKUS

Konversi Ci

U 0 0.0059 0.0059

0.85

0.425 0.425

0.5 -5.49E-06 -1.373E-06 0.4 1.75E-06 3.4909E-07 3.8 -1.97E-07 -3.748E-07 1.4655E-06 0.85 -7.97E-07 -3.389E-07 3.3892E-07 5.7735E-07 5.7735E-07 0.00173

KETIDAKPASTIAN GABUNGAN FAKTOR U ALAT Konversi Cs U MASSA AIR 0.0059 1.0055 U SUHU AIR 0.425 -0.0005 U ρ UDARA 1.4655E-06 50.2704 U ρ AIR 3.3892E-07 -50.2704 U KOEF MUAI 5.7735E-07 -491.6012 U MINISKUS 0.00173205 JUMLAH U GABUNGAN U BENTANGAN NILAI KOREKSI

Kesimpulan Volume Nominal (mL)

50

ρ Air ρ Udara V20

Volume Terhitung Koreksi (mL) Ketidakpasti an (mL) (mL) 49.9884

0.01

0.01

(U*Cs) (U*Cs)^2 5.96E-03 3.55E-05 -2.12E-04 4.51E-08 7.37E-05 5.43E-09 -1.70E-05 2.90E-10 -2.84E-04 8.06E-08 1.73E-03 3.00E-06 3.87E-05 0.006 0.01 -0.01

0.9957 0.0013 49.9884

50

49.9884

0.01

0.01

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