SLAC Magnetic Measurements Date: 08-12-2002 Time: 15:23:38 Project: Spear3 Magnet Type: Quad Magnet Name: 34Q-068 Serial Number: Run Number: 2 Measurement Device: spear3q_coil Operator: zw Comment: Harmonics measurement after machining Standardization: 3 cycles from 0.0 A to 98.0 A to 0.0 A Test Currents (A): 10.0 20.0 30.0 40.0 50.0 60.0 70.0 80.0 90.0 80.0 70.0 60.0 50.0 40.0 Field Harmonics Data (on the following pages) Field Harmonics Magnet Current, Imag = 9.930645 +- 0.000155 A Harmonics given at R = 0.026970 m Coil Radius, Rcoil = 0.026970 m Main Harmonic N = 2 n BLn sigBLn THspole sigTH BLn/BLN sBLn/BLN (Tm) (Tm) (deg) (deg) (%) (%) --- ------------+------------ --------+-------- ---------+--------- 1 9.4970e-05 4.4534e-08 -150.22 0.03 0.40839 0.00019 2 2.3255e-02 2.0613e-07 44.52 0.00 100.00000 0.00125 3 1.4829e-05 6.0953e-10 -28.96 0.01 0.06377 0.00000 4 2.9891e-06 1.0791e-08 -23.72 0.02 0.01285 0.00005 5 8.9083e-07 8.8746e-10 -17.44 0.00 0.00383 0.00000 6 3.8575e-07 1.3143e-09 -15.19 0.01 0.00166 0.00001 7 3.9991e-07 9.9964e-10 9.39 0.02 0.00172 0.00000 8 5.0751e-07 7.2644e-10 -2.73 0.01 0.00218 0.00000 9 1.3861e-07 1.6776e-09 -3.08 0.05 0.00060 0.00001 10 3.1954e-06 1.9818e-09 -9.34 0.00 0.01374 0.00001 11 8.3742e-08 1.0851e-09 -9.69 0.20 0.00036 0.00000 12 3.6714e-08 7.3503e-10 -8.41 0.15 0.00016 0.00000 13 5.7389e-08 1.6964e-09 -0.80 0.15 0.00025 0.00001 14 1.1295e-06 3.0514e-09 -6.80 0.00 0.00486 0.00001 15 1.4299e-08 2.3447e-09 5.66 0.40 0.00006 0.00001 16 3.5913e-08 9.3669e-10 5.34 0.18 0.00015 0.00000 17 4.7795e-08 2.7634e-09 0.07 0.12 0.00021 0.00001 18 1.0495e-06 1.6031e-09 -5.48 0.01 0.00451 0.00001 Magnetic Center: Xcenter = 0.00005630 +- 0.00000006 m Ycenter = 0.00009466 +- 0.00000005 m View from end where water connections are on right: y ^ | N S --> x S N Field Harmonics Magnet Current, Imag = 29.925950 +- 0.000150 A Harmonics given at R = 0.026970 m Coil Radius, Rcoil = 0.026970 m Main Harmonic N = 2 n BLn sigBLn THspole sigTH BLn/BLN sBLn/BLN (Tm) (Tm) (deg) (deg) (%) (%) --- ------------+------------ --------+-------- ---------+--------- 1 2.5752e-04 1.5440e-07 -168.59 0.03 0.36876 0.00022 2 6.9834e-02 2.0034e-07 44.52 0.00 100.00000 0.00041 3 1.3272e-05 9.6196e-10 -25.93 0.00 0.01900 0.00000 4 7.5681e-06 9.2147e-09 -24.04 0.01 0.01084 0.00001 5 4.5853e-07 1.2151e-09 -7.55 0.04 0.00066 0.00000 6 1.6516e-07 1.4998e-09 22.13 0.08 0.00024 0.00000 7 3.5146e-07 1.7059e-09 5.19 0.04 0.00050 0.00000 8 1.3576e-06 1.4009e-09 -2.49 0.01 0.00194 0.00000 9 3.6395e-07 2.3162e-09 -3.60 0.05 0.00052 0.00000 10 9.7239e-06 7.3869e-09 -9.41 0.00 0.01392 0.00001 11 1.4561e-07 1.6605e-09 -10.41 0.08 0.00021 0.00000 12 1.0404e-07 1.6519e-09 -11.92 0.09 0.00015 0.00000 13 1.6987e-07 2.0713e-09 -0.44 0.05 0.00024 0.00000 14 3.3495e-06 3.3733e-09 -6.86 0.01 0.00480 0.00000 15 1.8803e-08 5.1084e-09 6.50 0.88 0.00003 0.00000 16 1.2445e-07 4.6390e-09 5.40 0.06 0.00018 0.00001 17 1.7643e-07 1.8595e-09 0.01 0.05 0.00025 0.00000 18 3.1290e-06 3.5536e-09 -5.49 0.00 0.00448 0.00001 Magnetic Center: Xcenter = 0.00002131 +- 0.00000005 m Ycenter = 0.00009715 +- 0.00000006 m View from end where water connections are on right: y ^ | N S --> x S N Field Harmonics Magnet Current, Imag = 49.954425 +- 0.000228 A Harmonics given at R = 0.026970 m Coil Radius, Rcoil = 0.026970 m Main Harmonic N = 2 n BLn sigBLn THspole sigTH BLn/BLN sBLn/BLN (Tm) (Tm) (deg) (deg) (%) (%) --- ------------+------------ --------+-------- ---------+--------- 1 4.2254e-04 2.6177e-07 -172.62 0.02 0.36268 0.00022 2 1.1651e-01 7.4130e-07 44.52 0.00 100.00000 0.00090 3 1.1306e-05 4.0757e-09 -24.58 0.02 0.00970 0.00000 4 9.7833e-06 2.4834e-08 -24.50 0.01 0.00840 0.00002 5 9.3385e-07 2.5515e-09 3.43 0.02 0.00080 0.00000 6 1.2954e-06 4.7067e-09 -17.43 0.02 0.00111 0.00000 7 4.2027e-07 3.5045e-09 1.04 0.06 0.00036 0.00000 8 2.1920e-06 2.6282e-09 -2.42 0.00 0.00188 0.00000 9 5.7123e-07 1.8946e-09 -3.82 0.03 0.00049 0.00000 10 1.6356e-05 5.8215e-09 -9.42 0.00 0.01404 0.00000 11 2.2229e-07 3.1759e-09 -10.43 0.12 0.00019 0.00000 12 1.8557e-07 3.9131e-09 -12.42 0.07 0.00016 0.00000 13 2.8031e-07 2.0859e-09 -0.34 0.08 0.00024 0.00000 14 5.5701e-06 7.8412e-09 -6.88 0.00 0.00478 0.00001 15 2.9497e-08 2.4318e-09 6.65 0.89 0.00003 0.00000 16 2.1282e-07 7.4326e-09 5.33 0.09 0.00018 0.00001 17 3.1036e-07 2.9913e-09 0.06 0.12 0.00027 0.00000 18 5.2131e-06 5.6185e-09 -5.49 0.01 0.00447 0.00000 Magnetic Center: Xcenter = 0.00001419 +- 0.00000004 m Ycenter = 0.00009678 +- 0.00000006 m View from end where water connections are on right: y ^ | N S --> x S N Field Harmonics Magnet Current, Imag = 69.956475 +- 0.000109 A Harmonics given at R = 0.026970 m Coil Radius, Rcoil = 0.026970 m Main Harmonic N = 2 n BLn sigBLn THspole sigTH BLn/BLN sBLn/BLN (Tm) (Tm) (deg) (deg) (%) (%) --- ------------+------------ --------+-------- ---------+--------- 1 5.8332e-04 2.4012e-07 -174.17 0.01 0.35856 0.00015 2 1.6268e-01 9.5835e-07 44.52 0.00 100.00000 0.00083 3 8.3355e-06 5.1592e-09 -31.19 0.06 0.00512 0.00000 4 1.2011e-05 7.5818e-08 -24.90 0.02 0.00738 0.00005 5 2.0151e-06 2.6029e-09 4.53 0.01 0.00124 0.00000 6 9.9871e-06 1.5407e-08 -15.92 0.01 0.00614 0.00001 7 6.6658e-07 4.2961e-09 -1.08 0.05 0.00041 0.00000 8 2.9950e-06 2.9885e-09 -2.39 0.01 0.00184 0.00000 9 7.4782e-07 3.6802e-09 -4.06 0.03 0.00046 0.00000 10 2.3331e-05 2.3052e-09 -9.42 0.00 0.01434 0.00000 11 2.8462e-07 4.2826e-09 -10.64 0.08 0.00017 0.00000 12 2.4602e-07 4.2393e-09 -13.05 0.06 0.00015 0.00000 13 3.8556e-07 3.4896e-09 -0.15 0.02 0.00024 0.00000 14 7.7255e-06 4.8153e-09 -6.90 0.01 0.00475 0.00000 15 4.4149e-08 1.2524e-09 6.41 0.76 0.00003 0.00000 16 3.0076e-07 1.1084e-09 5.38 0.05 0.00018 0.00000 17 4.3856e-07 2.3181e-09 0.07 0.03 0.00027 0.00000 18 7.2576e-06 5.8842e-09 -5.48 0.00 0.00446 0.00000 Magnetic Center: Xcenter = 0.00001143 +- 0.00000001 m Ycenter = 0.00009603 +- 0.00000004 m View from end where water connections are on right: y ^ | N S --> x S N Field Harmonics Magnet Current, Imag = 89.946275 +- 0.000217 A Harmonics given at R = 0.026970 m Coil Radius, Rcoil = 0.026970 m Main Harmonic N = 2 n BLn sigBLn THspole sigTH BLn/BLN sBLn/BLN (Tm) (Tm) (deg) (deg) (%) (%) --- ------------+------------ --------+-------- ---------+--------- 1 7.7739e-04 7.2542e-07 -175.35 0.03 0.38137 0.00036 2 2.0384e-01 1.7749e-06 44.52 0.00 100.00000 0.00123 3 1.5168e-05 4.3150e-08 -7.61 0.02 0.00744 0.00002 4 1.2412e-05 1.2921e-07 -25.43 0.03 0.00609 0.00006 5 2.2706e-06 2.5753e-09 6.76 0.01 0.00111 0.00000 6 3.9415e-05 2.9482e-08 -15.65 0.00 0.01934 0.00001 7 2.7117e-07 4.0969e-09 -5.10 0.13 0.00013 0.00000 8 3.5309e-06 1.6487e-09 -1.18 0.01 0.00173 0.00000 9 9.6399e-07 4.8545e-09 -3.68 0.04 0.00047 0.00000 10 3.1157e-05 5.2926e-09 -9.42 0.00 0.01528 0.00000 11 3.4373e-07 6.5422e-09 -10.19 0.14 0.00017 0.00000 12 2.9393e-07 2.8281e-09 -13.83 0.04 0.00014 0.00000 13 5.0075e-07 3.8190e-09 -0.06 0.03 0.00025 0.00000 14 9.4735e-06 6.4588e-09 -6.90 0.00 0.00465 0.00000 15 5.2846e-08 5.9736e-09 8.12 0.47 0.00003 0.00000 16 3.6212e-07 7.0526e-09 5.41 0.03 0.00018 0.00000 17 5.5731e-07 3.4174e-09 -0.02 0.02 0.00027 0.00000 18 9.0081e-06 5.5618e-09 -5.48 0.00 0.00442 0.00000 Magnetic Center: Xcenter = 0.00001005 +- 0.00000005 m Ycenter = 0.00010236 +- 0.00000010 m View from end where water connections are on right: y ^ | N S --> x S N