LAMPIRAN 16
17 Lampiran 1 Diagram alir penelitian Lampiran 1 Bagan alir penelitian Pembuatan standar warna dari produk pencerah kulit komersial Karakterisasi panjang gelombang lampu LED Pengukuran Standar Warna Menggunakan Fotometer dan Chromameter Analisis data menggunakan Curve Fit Koefisien dan Persamaan baru Pengukuran Reflektans Kulit Manusia Menggunakan Fotometer dan Chromameter Nilai X, Y, Z Analisis data menggunakan Kemometrik Hasil PCA PLS Pembandingan Alat Fotometer sebagai alat Pengukur Warna Kulit
Lampiran 2 Standar warna dari produk pencerah kulit komersial yang telah dimodifikasi 18
19 Lampiran 3 Alat Chromameter Konica Minolta CR 400 Lampiran 4 Fotometer yang sedang dikembangkan Lampiran 5 Otoskop sumber sinar
20 Lampiran 6 Data pengukuran standar warna A menggunakan fotometer (data model) Nomor Standar Lampu merah (mv) Lampu kuning (mv) Lampu hijau (mv) Lampu biru (mv) Lampu ungu (mv) 1 2 3 Rerata 1 2 3 Rerata 1 2 3 Rerata 1 2 3 Rerata 1 2 3 Rerata Kontrol 2000 2000 2000 2000 2000 1 1995 1995 1995 1995.00 1990 1990 1989 1989.67 1984 1984 1985 1984.33 1986 1987 1987 1986.67 1956 1956 1957 1956.33 2 1995 1994 1994 1994.33 1987 1987 1986 1986.67 1981 1981 1981 1981.00 1984 1985 1985 1984.67 1955 1955 1955 1955.00 3 1993 1992 1993 1992.67 1985 1984 1984 1984.33 1976 1976 1977 1976.33 1982 1982 1982 1982.00 1954 1953 1953 1953.33 4 1995 1995 1995 1995.00 1987 1986 1985 1986.00 1978 1976 1977 1977.00 1980 1980 1980 1980.00 1953 1951 1951 1951.67 5 1992 1993 1993 1992.67 1984 1984 1982 1983.33 1973 1972 1972 1972.33 1977 1978 1978 1977.67 1949 1949 1950 1949.33 6 1991 1992 1991 1991.33 1983 1981 1980 1981.33 1970 1971 1970 1970.33 1975 1976 1975 1975.33 1944 1943 1944 1943.67 7 1988 1990 1989 1989.00 1976 1976 1974 1975.33 1967 1967 1967 1967.00 1974 1974 1974 1974.00 1940 1941 1940 1940.33 8 1981 1982 1981 1981.33 1969 1970 1967 1968.67 1965 1965 1964 1964.67 1973 1973 1973 1973.00 1937 1938 1938 1937.67 9 1977 1979 1979 1978.33 1968 1968 1967 1967.67 1961 1960 1960 1960.33 1970 1970 1971 1970.33 1936 1937 1936 1936.33 10 1976 1978 1978 1977.33 1966 1965 1965 1965.33 1956 1956 1956 1956.00 1969 1969 1970 1969.33 1934 1934 1934 1934.00 11 1970 1971 1972 1971.00 1959 1959 1958 1958.67 1954 1953 1952 1953.00 1968 1968 1968 1968.00 1930 1931 1932 1931.00 12 1963 1963 1964 1963.33 1953 1952 1952 1952.33 1949 1950 1948 1949.00 1967 1967 1967 1967.00 1929 1929 1929 1929.00 13 1962 1962 1962 1962.00 1952 1953 1953 1952.67 1948 1948 1946 1947.33 1966 1966 1966 1966.00 1928 1928 1928 1928.00 14 1960 1962 1962 1961.33 1949 1951 1950 1950.00 1940 1941 1942 1941.00 1965 1965 1965 1965.00 1927 1927 1927 1927.00 15 1956 1956 1957 1956.33 1944 1945 1945 1944.67 1938 1937 1938 1937.67 1964 1963 1963 1963.33 1925 1924 1925 1924.67 16 1952 1952 1952 1952.00 1941 1942 1941 1941.33 1932 1932 1933 1932.33 1963 1962 1963 1962.67 1924 1923 1923 1923.33
21 Lampiran 7 Data pengukuran standar warna B, C, D menggunakan fotometer (data validasi) Nomor Standar Lampu merah (mv) Lampu kuning (mv) Lampu hijau (mv) Lampu biru (mv) Lampu ungu (mv) B C D B C D B C D B C D B C D Kontrol 2000 2000 2000 2000 2000 1 1994 1994 1994 1990 1989 1990 1986 1984 1984 1988 1987 1987 1959 1958 1958 2 1994 1994 1994 1988 1988 1987 1981 1980 1979 1984 1985 1985 1955 1957 1955 3 1993 1992 1992 1986 1985 1985 1976 1976 1976 1983 1983 1982 1953 1952 1952 4 1995 1995 1994 1985 1985 1985 1977 1977 1976 1983 1983 1983 1950 1950 1950 5 1993 1993 1993 1983 1982 1982 1972 1973 1973 1978 1978 1978 1950 1949 1949 6 1992 1991 1991 1980 1980 1979 1970 1971 1971 1975 1975 1975 1945 1945 1945 7 1990 1989 1988 1975 1975 1975 1969 1968 1968 1974 1975 1974 1942 1942 1942 8 1981 1982 1982 1970 1970 1970 1964 1965 1965 1973 1973 1973 1940 1940 1940 9 1979 1980 1978 1968 1968 1968 1961 1961 1961 1971 1970 1970 1938 1938 1938 10 1979 1978 1978 1965 1968 1967 1958 1958 1958 1970 1970 1970 1935 1936 1936 11 1972 1973 1972 1961 1961 1959 1955 1955 1956 1969 1969 1968 1932 1932 1933 12 1964 1964 1965 1954 1955 1955 1951 1950 1950 1967 1967 1967 1931 1931 1931 13 1964 1964 1964 1954 1954 1954 1948 1950 1948 1966 1966 1966 1930 1930 1930 14 1963 1962 1962 1951 1951 1951 1944 1945 1944 1966 1965 1965 1929 1929 1929 15 1957 1957 1957 1948 1948 1948 1940 1940 1940 1965 1964 1964 1927 1927 1927 16 1953 1953 1952 1943 1942 1942 1935 1935 1935 1962 1963 1963 1926 1926 1926
22 Lampiran 8 Data pengukuran standar warna A menggunakan Chromameter CR 400 (data model) Nomor Standar Rerata a* Rerata b* Rerata Pelat putih 93.97-0.62 5.43 1 83.85 83.75 83.80 3.53 3.57 3.55 7.29 7.27 7.28 2 82.21 82.07 82.14 5.87 6.20 6.04 7.31 7.03 7.17 3 78.96 78.97 78.97 6.22 6.44 6.33 10.24 9.98 10.11 4 77.89 78.05 77.97 7.93 7.95 7.94 13.93 13.92 13.93 5 76.60 76.59 76.60 8.17 8.23 8.20 15.10 15.10 15.10 6 74.16 74.27 74.22 8.32 8.37 8.35 20.31 20.15 20.23 7 70.77 70.81 70.79 12.08 12.33 12.21 18.54 18.19 18.37 8 68.90 68.83 68.87 11.17 11.21 11.19 15.69 15.74 15.72 9 66.94 66.84 66.89 9.89 10.04 9.97 19.30 19.07 19.19 10 64.49 64.64 64.57 11.31 10.97 11.14 21.75 21.91 21.83 11 60.49 60.56 60.53 10.32 10.24 10.28 20.11 19.78 19.95 12 57.57 57.71 57.64 9.20 9.17 9.19 16.80 16.84 16.82 13 55.63 56.03 55.83 10.78 10.62 10.70 19.92 20.06 19.99 14 54.24 54.60 54.42 7.27 7.54 7.41 21.42 21.09 21.26 15 52.20 52.65 52.43 8.18 8.35 8.27 21.77 21.99 21.88 16 47.93 48.03 47.98 9.21 9.33 9.27 19.88 19.90 19.89 Lampiran 9 Data pengukuran standar warna B, C, D menggunakan Chromameter CR 400 (data validasi) Nomor Standar a* b* B C D B C D B C D Pelat putih 94.01-0.63 5.45 1 83.98 83.68 83.49 3.13 3.68 3.55 7.98 7.55 7.61 2 82.07 82.11 81.72 5.62 5.96 5.89 7.91 7.58 7.88 3 78.77 78.97 78.75 5.70 6.00 5.46 11.20 10.49 11.71 4 77.94 78.04 77.80 7.54 7.54 7.42 14.94 14.90 15.53 5 76.51 76.34 75.97 7.91 8.17 8.34 15.53 15.42 15.79 6 73.78 73.86 73.65 8.25 8.55 8.18 21.02 20.58 21.08 7 70.76 70.87 70.63 11.37 11.49 11.51 19.59 19.42 19.33 8 68.64 68.52 68.35 10.68 10.84 10.39 17.27 16.66 16.70 9 66.79 66.76 66.70 9.19 9.33 9.52 20.64 20.44 20.55 10 64.25 64.48 64.19 10.46 9.96 10.39 22.83 22.85 23.26 11 60.14 60.52 60.27 9.52 9.55 9.38 21.16 21.16 21.30 12 57.09 57.35 57.01 8.03 8.08 8.14 17.87 17.49 17.65 13 54.99 55.43 55.40 9.54 9.37 8.94 20.67 20.22 20.21 14 53.25 53.40 53.15 6.44 6.89 6.31 22.57 21.89 22.02 15 50.63 51.63 51.44 7.46 7.52 6.98 22.25 21.82 22.11 16 46.72 47.04 46.64 8.39 8.31 7.88 19.31 19.02 19.14
23 Lampiran 10 Perhitungan untuk pemodelan persamaan (data pengukuran lampu ungu) Nomor Standar Warna Rerata Sinyal Standar Warna (S) 16 1923.33 2000.00 0.87721 26.33 103.00 0.26 3486.03 0.018359 0.000507 0.087162 16.362466 0.451864 77.683166 1.00 64.000025 1.767417 303.849347 Contoh perhitungan pada standar nomor 1: R( λ) (S λ- 0.58 Sinyal Standar warna putih (Y) Z λ) / (Y Reflektans karton putih (R ) λ - Z λ) S-Z Y-Z R (402.28 nm) Intensitas tertinggi (a.u.) (S ) x (garis) y (garis) z (garis) X Y Z R Xn Yn Zn 1 1956.33 2000.00 0.87721 59.33 103.00 0.58 3486.03 0.018359 0.000507 0.087162 36.867328 1.018124 175.032957 1.00 64.000025 1.767417 303.849347 2 1955.00 2000.00 0.87721 58.00 103.00 0.56 3486.03 0.018359 0.000507 0.087162 36.038849 0.995245 171.099632 1.00 64.000025 1.767417 303.849347 3 1953.33 2000.00 0.87721 56.33 103.00 0.55 3486.03 0.018359 0.000507 0.087162 35.003250 0.966646 166.182976 1.00 64.000025 1.767417 303.849347 4 1951.67 2000.00 0.87721 54.67 103.00 0.53 3486.03 0.018359 0.000507 0.087162 33.967651 0.938047 161.266320 1.00 64.000025 1.767417 303.849347 5 1949.33 2000.00 0.87721 52.33 103.00 0.51 3486.03 0.018359 0.000507 0.087162 32.517812 0.898008 154.383001 1.00 64.000025 1.767417 303.849347 6 1943.67 2000.00 0.87721 46.67 103.00 0.45 3486.03 0.018359 0.000507 0.087162 28.996775 0.800772 137.666371 1.00 64.000025 1.767417 303.849347 7 1940.33 2000.00 0.87721 43.33 103.00 0.42 3486.03 0.018359 0.000507 0.087162 26.925577 0.743574 127.833059 1.00 64.000025 1.767417 303.849347 8 1937.67 2000.00 0.87721 40.67 103.00 0.39 3486.03 0.018359 0.000507 0.087162 25.268618 0.697815 119.966409 1.00 64.000025 1.767417 303.849347 9 1936.33 2000.00 0.87721 39.33 103.00 0.38 3486.03 0.018359 0.000507 0.087162 24.440139 0.674936 116.033084 1.00 64.000025 1.767417 303.849347 10 1934.00 2000.00 0.87721 37.00 103.00 0.36 3486.03 0.018359 0.000507 0.087162 22.990300 0.634897 109.149765 1.00 64.000025 1.767417 303.849347 11 1931.00 2000.00 0.87721 34.00 103.00 0.33 3486.03 0.018359 0.000507 0.087162 21.126222 0.583419 100.299784 1.00 64.000025 1.767417 303.849347 12 1929.00 2000.00 0.87721 32.00 103.00 0.31 3486.03 0.018359 0.000507 0.087162 19.883503 0.549100 94.399797 1.00 64.000025 1.767417 303.849347 13 1928.00 2000.00 0.87721 31.00 103.00 0.30 3486.03 0.018359 0.000507 0.087162 19.262143 0.531941 91.449803 1.00 64.000025 1.767417 303.849347 14 1927.00 2000.00 0.87721 30.00 103.00 0.29 3486.03 0.018359 0.000507 0.087162 18.640784 0.514782 88.499810 1.00 64.000025 1.767417 303.849347 15 1924.67 2000.00 0.87721 27.67 103.00 0.27 3486.03 0.018359 0.000507 0.087162 17.190945 0.474743 81.616491 1.00 64.000025 1.767417 303.849347 Y R( )S( )y( 0.58 3486.03 0.000507 1.018124 )
24 Lampiran 11 Perhitungan nilai k untuk pemodelan persamaan Lampu Intensitas tertinggi (a.u.) (S ) y (garis) S x y(garis) Lampu ungu 3486.03 0.000507 1.767417 Lampu biru 2914.86 0.066449 193.689532 Lampu merah 2860.41 0.220360 630.319948 Sigma 825.776897 100 k 0.121098 k Lampiran 12 Perhitungan nilai Y/Yn untuk pemodelan persamaan 100 825.776897 0.121098 Lampu 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Ungu 1.018124 0.995245 0.966646 0.938047 0.898008 0.800772 0.743574 0.697815 0.674936 0.634897 0.583419 0.549100 0.531941 0.514782 0.474743 0.451864 Biru 142.038990 134.291409 123.961301 116.213719 107.174874 98.136030 92.970975 89.097185 78.767076 74.893286 69.728232 65.854441 61.980650 58.106860 51.650542 49.068015 Merah 597.490784 593.113562 582.170507 597.490784 582.170507 573.416063 558.095787 507.757736 488.060237 481.494404 439.910797 389.572745 380.818302 376.441080 343.611916 315.159974 Sigma 740.547898 728.400215 707.098453 714.642550 690.243390 672.352865 651.810336 597.552736 567.502250 557.022588 510.222448 455.976287 443.330893 435.062721 395.737201 364.679853 k 0.121098 0.121098 0.121098 0.121098 0.121098 0.121098 0.121098 0.121098 0.121098 0.121098 0.121098 0.121098 0.121098 0.121098 0.121098 0.121098 Y akhir 89.678931 88.207870 85.628268 86.541843 83.587152 81.420644 78.932983 72.362491 68.723435 67.454368 61.786961 55.217855 53.686522 52.685262 47.923017 44.162031 Yn 100.000000 100.000000 100.000000 100.000000 100.000000 100.000000 100.000000 100.000000 100.000000 100.000000 100.000000 100.000000 100.000000 100.000000 100.000000 100.000000 Y/Yn 0.896789 0.882079 0.856283 0.865418 0.835872 0.814206 0.789330 0.723625 0.687234 0.674544 0.617870 0.552179 0.536865 0.526853 0.479230 0.441620 (Y/Yn) 1/3 0.964339912 0.95903792 0.949596386 0.952961556 0.94199047 0.933780593 0.924172068 0.897782571 0.882473392 0.877007605 0.851724117 0.820401621 0.812746465 0.80766212 0.782554722 0.761522981 Y k Sigma 0.121098 740.547898 89.678931
25 Lampiran 13 Hasil keluaran perangkat lunak pengolahan data untuk pemodelan persamaan (5 lampu) DataFit version 9.0 Number of observations = 16 Number of missing observations = 0 Residual tolerance = 0.0000000001 Sum of Residuals = -3.69482222595252E-13 Average Residual = -2.30926389122033E-14 Residual Sum of Squares (Absolute) = 33.1849238190868 Residual Sum of Squares (Relative) = 33.1849238190868 Standard Error of the Estimate = 1.53959465488918 Coefficient of Multiple Determination (R^2) = 0.9828014504 Proportion of Variance Explained = 98.28014504% Adjusted coefficient of multiple determination (Ra^2) = 0.9815729826 Regression Variable Results Variable Value a 142.27925543226 b -54.2809545172111 Lampiran 14 Hasil keluaran perangkat lunak pengolahan data untuk pemodelan persamaan (3 lampu) DataFit version 9.0 Number of observations = 16 Number of missing observations = 0 Residual tolerance = 0.0000000001 Sum of Residuals = 1.70530256582424E-13 Average Residual = 1.06581410364015E-14 Residual Sum of Squares (Absolute) = 39.5256384639378 Residual Sum of Squares (Relative) = 39.5256384639378 Standard Error of the Estimate = 1.68025590023701 Coefficient of Multiple Determination (R^2) = 0.9795152866 Proportion of Variance Explained = 97.95152866% Adjusted coefficient of multiple determination (Ra^2) = 0.9780520928 Regression Variable Results Variable Value a 164.21584393819 b -77.8148427203424
26 Lampiran 15 Data hasil perhitungan menggunakan pemodelan persamaan (5 lampu) Nomor Standar Warna Aktual A B C D % % % Deviasi Aktual Prediksi Deviasi Aktual Prediksi Deviasi aktual L * Prediksi Prediksi 1 83.80 81.44 2.82 83.98 81.90 2.48 83.68 81.16 3.01 83.49 81.39 2.52 2 82.14 79.83 2.82 82.07 80.09 2.41 82.11 79.88 2.71 81.72 79.40 2.83 3 78.97 77.91 1.34 78.77 78.28 0.62 78.97 77.98 1.25 78.75 77.95 1.02 4 77.97 78.55 0.74 77.94 78.42 0.62 78.04 78.42 0.49 77.80 78.11 0.39 5 76.60 76.48 0.15 76.51 76.35 0.21 76.34 76.36 0.03 75.97 76.36 0.52 6 74.22 75.29 1.44 73.78 74.90 1.52 73.86 75.10 1.68 73.65 74.85 1.63 7 70.79 72.66 2.64 70.76 73.19 3.43 70.87 72.89 2.85 70.63 72.78 3.04 8 68.87 69.65 1.14 68.64 69.80 1.69 68.52 70.16 2.39 68.35 70.16 2.65 9 66.89 67.78 1.33 66.79 68.15 2.03 66.76 68.18 2.13 66.70 68.03 2.00 10 64.57 65.69 1.73 64.25 66.36 3.28 64.48 67.14 4.12 64.19 66.85 4.15 11 60.53 62.18 2.72 60.14 63.66 5.86 60.52 63.74 5.32 60.27 63.33 5.08 12 57.64 58.11 0.82 57.09 59.41 4.06 57.35 59.39 3.56 57.01 59.47 4.32 13 55.83 57.47 2.94 54.99 58.32 6.06 55.43 59.01 6.47 55.40 58.32 5.27 14 54.42 54.12 0.55 53.25 55.79 4.77 53.40 56.01 4.89 53.15 55.65 4.70 15 52.43 50.27 4.11 50.63 52.61 3.91 51.63 52.55 1.79 51.44 52.55 2.16 16 47.98 46.21 3.69 46.72 48.10 2.95 47.04 47.76 1.53 46.64 47.66 2.18 Aktual- Prediksi %Deviasi 100% Aktual 83.80-81.44 100% 2.82% 83.80 % Deviasi
27 Lampiran 16 Data hasil perhitungan menggunakan pemodelan persamaan (3 lampu) Nomor Standar Warna Aktual A B C D % % % Deviasi Aktual Prediksi Deviasi Aktual Prediksi Deviasi aktual L * Prediksi Prediksi 1 83.80 80.55 3.88 83.98 80.45 4.21 83.68 80.17 4.19 83.49 80.17 3.98 2 82.14 79.67 3.00 82.07 79.33 3.34 82.11 79.61 3.04 81.72 79.61 2.58 3 78.97 78.12 1.07 78.77 78.57 0.26 78.97 78.09 1.12 78.75 77.80 1.21 4 77.97 78.68 0.91 77.94 79.52 2.02 78.04 79.52 1.89 77.80 79.04 1.60 5 76.60 76.87 0.36 76.51 77.14 0.82 76.34 77.13 1.04 75.97 77.13 1.53 6 74.22 75.53 1.76 73.78 75.76 2.69 73.86 75.26 1.90 73.65 75.26 2.19 7 70.79 73.95 4.46 70.76 74.46 5.23 70.87 74.25 4.77 70.63 73.44 3.98 8 68.87 69.62 1.08 68.64 69.44 1.16 68.52 69.98 2.13 68.35 69.98 2.38 9 66.89 67.10 0.32 66.79 67.69 1.35 66.76 67.92 1.74 66.70 66.81 0.16 10 64.57 66.20 2.53 64.25 67.36 4.84 64.48 66.80 3.60 64.19 66.80 4.07 11 60.53 62.05 2.51 60.14 63.00 4.76 60.52 63.59 5.07 60.27 62.65 3.95 12 57.64 56.91 1.27 57.09 57.34 0.44 57.35 57.34 0.02 57.01 57.98 1.70 13 55.83 55.65 0.32 54.99 56.96 3.58 55.43 56.96 2.76 55.40 56.96 2.81 14 54.42 54.82 0.73 53.25 56.31 5.74 53.40 55.26 3.49 53.15 55.26 3.98 15 52.43 50.69 3.31 50.63 51.86 2.43 51.63 51.45 0.36 51.44 51.45 0.01 16 47.98 47.24 1.54 46.72 47.70 2.09 47.04 48.14 2.33 46.64 47.39 1.61 % Deviasi
28 Lampiran 17 Data pengukuran kulit menggunakan fotometer Contoh Lampu merah (mv) Lampu kuning (mv) Lampu hijau (mv) Lampu biru (mv) Lampu ungu (mv) 1 2 3 Rerata 1 2 3 Rerata 1 2 3 Rerata 1 2 3 Rerata 1 2 3 Rerata Kontrol 2000 2000 2000 2000 2000 Punggung tangan Frengki 1928 1929 1929 1928.67 1920 1919 1919 1919.33 1915 1914 1914 1914.33 1959 1960 1959 1959.33 1912 1913 1912 1912.33 (PF) Punggung tangan Aji 1926 1926 1926 1926.00 1914 1914 1915 1914.33 1911 1911 1911 1911.00 1958 1957 1956 1957.00 1911 1910 1912 1911.00 (PA) Forearm Frengki 1935 1936 1935 1935.33 1930 1931 1930 1930.33 1924 1924 1924 1924.00 1964 1964 1963 1963.67 1915 1915 1916 1915.33 (FF) Forearm Aji (FA) 1939 1940 1939 1939.33 1932 1931 1932 1931.67 1924 1924 1924 1924.00 1963 1963 1963 1963.00 1916 1915 1915 1915.33 Lampiran 18 Data pengukuran kulit menggunakan chromameter CR 400 Contoh a* b* 1 2 3 Rerata 1 2 3 Rerata 1 2 3 Rerata Pelat Putih 93.97-0.62 5.43 Punggung tangan Frengki (PF) 54.09 54.26 53.84 54.06 10.48 10.71 10.48 10.56 18.71 18.43 18.74 18.63 Punggung tangan Aji (PA) 48.43 49.31 48.77 48.84 13.96 13.80 14.09 13.95 20.32 20.32 20.38 20.34 Forearm Frengki (FF) 59.74 59.74 59.35 59.61 8.88 9.17 9.10 9.05 18.45 18.16 18.20 18.27 Forearm Aji (FA) 61.20 61.60 61.53 61.44 9.68 9.43 9.24 9.45 17.74 17.58 17.77 17.70
29 Lampiran 19 Data hasil perhitungan kulit normal manusia Contoh Pemodelan Persamaan (3 lampu) Prediksi Aktual % Deviasi Aktual PLS Prediksi % Deviasi Punggung tangan Frengki (PF) 54.06 24.27 55.11 54.06 36.61 32.27 Punggung tangan Aji (PA) 48.84 19.49 60.09 48.84 34.60 29.15 Forearm Frengki (FF) 59.61 33.76 43.37 59.61 41.15 30.97 Forearm Aji (FA) 61.44 37.06 39.69 61.44 42.40 31.00 Lampiran 20 Plot proporsi semua komponen utama PCA (5 lampu) Lampiran 21 Predict Vs Reference PLS 16 standar warna (3 lampu)