SLAC Magnetic Measurements Date: 12-18-2006 Time: 11:46:43 Project: HHCalib Magnet Type: Calibrate Magnet Name: MNRC11 Serial Number: Run Number: 11 Measurement Device: Helmholtz coil Operator: sa Comment: Calib at 11 A. 3 turns cw 11:46:45 Initial Zero Current Measurement, Imag_zero = 0.0000 A 11:46:45 Temperature Measurement Device(s) Being Used, type = YSI44036_HP3457 11:46:59 Begin Helmholtz Coil Measurement Helmholtz coil measurement: The gain is set to 20 11:47:29 VT Harmonics Measurement rot_dir = +, num_rev = 8 i vthar_re[i] vthar_im[i] vthar_mag[i] vthar_ph[i] (Vs) (Vs) (Vs) (deg) --- ------------ ------------ ------------ ------------ 1 0.0068857 -0.0001201 0.0068868 -0.9996174 2 -0.0000044 -0.0000018 0.0000048 -157.4676338 3 -0.0000004 0.0000008 0.0000009 116.6663202 4 0.0000021 0.0000018 0.0000028 39.8806533 5 -0.0000009 -0.0000003 0.0000010 -163.1317845 6 -0.0000014 -0.0000004 0.0000015 -164.6966884 7 -0.0000011 0.0000001 0.0000011 174.7092936 8 0.0000013 -0.0000006 0.0000014 -26.1019310 9 -0.0000015 -0.0000011 0.0000019 -143.6864135 10 -0.0000013 -0.0000007 0.0000015 -150.0656721 11:47:45 VT Harmonics Measurement rot_dir = -, num_rev = 8 i vthar_re[i] vthar_im[i] vthar_mag[i] vthar_ph[i] (Vs) (Vs) (Vs) (deg) --- ------------ ------------ ------------ ------------ 1 0.0068866 0.0001180 0.0068876 0.9818880 2 0.0000048 -0.0000006 0.0000049 -7.4194486 3 0.0000023 0.0000001 0.0000023 2.1718052 4 -0.0000004 0.0000007 0.0000008 117.5405020 5 0.0000019 0.0000005 0.0000020 14.8357819 6 0.0000021 0.0000011 0.0000023 26.6380134 7 0.0000026 0.0000012 0.0000028 25.8443004 8 0.0000041 -0.0000005 0.0000041 -6.5371017 9 0.0000022 0.0000016 0.0000027 36.6883574 10 0.0000030 0.0000030 0.0000042 44.9262668 11:48:02 VT Harmonics Measurement rot_dir = +, num_rev = 8 i vthar_re[i] vthar_im[i] vthar_mag[i] vthar_ph[i] (Vs) (Vs) (Vs) (deg) --- ------------ ------------ ------------ ------------ 1 0.0068850 -0.0001207 0.0068861 -1.0040423 2 -0.0000018 -0.0000006 0.0000019 -161.1860501 3 -0.0000002 0.0000017 0.0000017 96.1415104 4 0.0000005 0.0000013 0.0000014 68.4413401 5 -0.0000009 0.0000004 0.0000010 155.0769649 6 -0.0000008 0.0000007 0.0000011 138.0088481 7 -0.0000014 0.0000003 0.0000014 169.3980766 8 0.0000003 -0.0000010 0.0000010 -71.8823477 9 -0.0000007 -0.0000002 0.0000008 -164.9790112 10 -0.0000016 0.0000006 0.0000018 158.8741184 11:48:19 VT Harmonics Measurement rot_dir = -, num_rev = 8 i vthar_re[i] vthar_im[i] vthar_mag[i] vthar_ph[i] (Vs) (Vs) (Vs) (deg) --- ------------ ------------ ------------ ------------ 1 0.0068831 0.0001178 0.0068841 0.9807462 2 0.0000006 0.0000007 0.0000009 51.4711531 3 0.0000004 -0.0000004 0.0000006 -50.2407846 4 -0.0000005 -0.0000012 0.0000013 -111.5639441 5 -0.0000005 -0.0000010 0.0000011 -113.2080227 6 -0.0000002 -0.0000012 0.0000012 -97.4972907 7 0.0000002 -0.0000011 0.0000011 -80.3759397 8 0.0000017 0.0000004 0.0000017 14.5257384 9 0.0000002 -0.0000025 0.0000025 -84.6228762 10 0.0000009 -0.0000026 0.0000028 -71.0011057 11:48:20 Integrated Voltage Harmonics, Average and RMS of Measurements n vthar_re[i] svthar_re[i] vthar_im[i] svthar_im[i] (Vs) (Vs) (Vs) (Vs) --- ------------ ------------ ------------ ------------ 1 0.0068851 0.0000010 -0.0000012 0.0000002 2 -0.0000002 0.0000004 -0.0000006 0.0000006 3 0.0000005 0.0000004 0.0000005 0.0000001 4 0.0000005 0.0000004 0.0000006 0.0000006 5 -0.0000001 0.0000006 -0.0000001 0.0000002 6 -0.0000001 0.0000004 0.0000001 0.0000003 7 0.0000001 0.0000007 0.0000001 0.0000006 8 0.0000018 0.0000008 -0.0000004 0.0000001 9 0.0000000 0.0000003 -0.0000005 0.0000008 10 0.0000002 0.0000006 0.0000001 0.0000010 11:48:20 Magnetic Moment Calculation Helmholtz Coil Radius, R = 0.493357 m Helmholtz Coil Number Of Turns, N = 3045 Geometry Factor, G = 1.397540 m vthar_re_ave = 6.885109e-03 Vs vthar_im_ave = -1.237379e-06 Vs mm_re_ave = 1.559010e-06 Tm^3 mm_im_ave = -2.801824e-10 Tm^3 11:48:20 Magnetic Moment Measurement M = 1.559011e-06 +- 2.326107e-10 Tm^3 Theta = 0.010297 +- 0.001490 deg 11:48:22 Temperature Measurement, Probe Number = 0, T = 21.605423 C 11:48:24 Temperature Measurement, Probe Number = 1, T = 21.259467 C 11:48:26 Magnet Current, Imag = 11.0085 A Vtrans = 5.504260 V, Factor V/A = 0.500000 V/A, Zero Current = 0.000000 A 11:48:27 Magnet Current, Imag = 11.0086 A Vtrans = 5.504280 V, Factor V/A = 0.500000 V/A, Zero Current = 0.000000 A 11:48:29 Magnet Current, Imag = 11.0082 A Vtrans = 5.504080 V, Factor V/A = 0.500000 V/A, Zero Current = 0.000000 A 11:48:30 Magnet Current, Imag = 11.0086 A Vtrans = 5.504290 V, Factor V/A = 0.500000 V/A, Zero Current = 0.000000 A 11:48:30 Magnet Current Measurement: Imag = 11.0085 +- 0.0002 A 11:48:30 Calibration Coil Magnetic Moment Measurement Coil current, I = 11.008455 +/- 0.000172 A Coil area, A = 0.111860 m^2 Magnetic Moment, M = 1.547430e-06 Tm^3