SLAC Magnetic Measurements Date: 05-19-2011 Time: 16:24:25 Project: HHCalib Magnet Type: Calibrate Magnet Name: MNR15B Serial Number: Run Number: 7 Measurement Device: Helmholtz coil Operator: sda Comment: Calib Coil at 4 amps. 16:24:26 Initial Zero Current Measurement, Imag_zero = 0.0000 A 16:24:27 Temperature Measurement Device(s) Being Used, type = YSI44036_HP3457 16:24:36 Begin Helmholtz Coil Measurement Helmholtz coil measurement: The gain is set to 50 16:25:05 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 0.0025064 -0.0001093 0.0025088 -2.4968365 2 0.0000062 0.0000017 0.0000065 15.6091168 3 0.0000006 0.0000012 0.0000013 65.4182361 4 -0.0000042 -0.0000044 0.0000061 -133.2430394 5 -0.0000008 -0.0000007 0.0000010 -139.8026534 6 0.0000008 -0.0000056 0.0000057 -81.5018528 7 -0.0000009 0.0000001 0.0000009 173.3932199 8 -0.0000006 -0.0000003 0.0000007 -157.2305043 9 -0.0000007 -0.0000012 0.0000014 -121.1069381 10 -0.0000013 -0.0000009 0.0000016 -147.0945098 16:25:22 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 0.0025078 0.0001204 0.0025107 2.7487229 2 0.0000013 -0.0000008 0.0000015 -30.5456785 3 0.0000006 -0.0000014 0.0000015 -67.0869257 4 -0.0000028 0.0000015 0.0000031 152.0986091 5 -0.0000008 -0.0000000 0.0000008 -177.3298903 6 -0.0000019 0.0000003 0.0000019 169.5649356 7 -0.0000005 0.0000003 0.0000006 148.1794111 8 0.0000003 0.0000000 0.0000003 6.9407567 9 -0.0000010 -0.0000045 0.0000046 -102.6313809 10 -0.0000009 -0.0000014 0.0000016 -121.5997899 16:25:38 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 0.0025057 -0.0001055 0.0025079 -2.4112504 2 0.0000028 0.0000008 0.0000029 16.7941613 3 0.0000003 0.0000011 0.0000011 74.6851317 4 -0.0000025 -0.0000021 0.0000033 -139.0585041 5 -0.0000010 -0.0000004 0.0000011 -158.1145946 6 -0.0000015 -0.0000006 0.0000016 -159.1861941 7 -0.0000002 0.0000010 0.0000010 100.6374393 8 -0.0000008 0.0000003 0.0000008 158.0531822 9 -0.0000015 0.0000024 0.0000029 122.1416039 10 -0.0000011 0.0000008 0.0000014 145.9778520 16:25:55 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 0.0025103 0.0001195 0.0025132 2.7247707 2 0.0000022 -0.0000007 0.0000023 -18.2579196 3 0.0000011 -0.0000013 0.0000017 -50.5387144 4 -0.0000019 0.0000011 0.0000022 149.2421627 5 0.0000002 -0.0000003 0.0000004 -59.1127724 6 0.0000004 -0.0000019 0.0000019 -76.8870833 7 0.0000003 0.0000005 0.0000006 56.4964049 8 0.0000005 0.0000003 0.0000006 30.7711645 9 0.0000024 -0.0000009 0.0000025 -21.3850540 10 0.0000015 -0.0000004 0.0000015 -15.5856088 16:26:11 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 0.0025061 -0.0001033 0.0025082 -2.3609701 2 0.0000024 0.0000018 0.0000030 36.8723636 3 0.0000007 0.0000016 0.0000017 67.2608979 4 -0.0000013 -0.0000016 0.0000021 -130.0859780 5 -0.0000001 0.0000007 0.0000007 100.0826072 6 -0.0000006 0.0000016 0.0000017 112.0878472 7 -0.0000001 0.0000014 0.0000014 93.2715643 8 -0.0000003 0.0000010 0.0000011 106.7756685 9 0.0000015 0.0000017 0.0000023 48.5372687 10 0.0000002 0.0000018 0.0000019 82.9381643 16:26:27 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 0.0025104 0.0001196 0.0025133 2.7268151 2 0.0000021 -0.0000011 0.0000024 -28.1141371 3 0.0000009 -0.0000018 0.0000020 -63.5050124 4 -0.0000019 0.0000012 0.0000022 147.8766211 5 -0.0000002 -0.0000005 0.0000005 -117.6197716 6 0.0000001 -0.0000011 0.0000011 -82.3832654 7 0.0000002 0.0000004 0.0000004 55.3890419 8 0.0000006 0.0000004 0.0000007 35.2411468 9 0.0000063 0.0000004 0.0000063 3.9847570 10 0.0000014 -0.0000001 0.0000014 -5.6328503 16:26:44 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 0.0025052 -0.0001054 0.0025074 -2.4098712 2 0.0000032 0.0000002 0.0000032 3.2787391 3 0.0000009 0.0000012 0.0000015 52.4925534 4 -0.0000021 -0.0000027 0.0000034 -127.6967367 5 -0.0000003 -0.0000003 0.0000005 -135.3163400 6 0.0000012 -0.0000007 0.0000014 -31.1797870 7 -0.0000004 0.0000006 0.0000007 123.3763151 8 -0.0000003 0.0000005 0.0000006 118.0484811 9 -0.0000010 -0.0000041 0.0000042 -103.2735662 10 -0.0000002 -0.0000011 0.0000011 -98.7417778 16:27:00 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 0.0025102 0.0001202 0.0025130 2.7415548 2 0.0000019 0.0000004 0.0000020 12.2291006 3 0.0000011 -0.0000005 0.0000012 -24.1194092 4 -0.0000019 0.0000019 0.0000027 135.5593916 5 -0.0000001 0.0000005 0.0000005 97.1316112 6 0.0000012 0.0000011 0.0000016 41.8575412 7 0.0000000 0.0000009 0.0000009 88.3344413 8 0.0000003 0.0000006 0.0000007 64.2670165 9 -0.0000018 0.0000034 0.0000038 118.6507275 10 -0.0000001 0.0000014 0.0000014 94.9257328 16:27:00 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 0.0025078 0.0000004 0.0000070 0.0000009 2 0.0000028 0.0000006 0.0000003 0.0000001 3 0.0000008 0.0000002 0.0000000 0.0000002 4 -0.0000023 0.0000007 -0.0000006 0.0000005 5 -0.0000004 0.0000003 -0.0000001 0.0000002 6 -0.0000000 0.0000007 -0.0000009 0.0000012 7 -0.0000002 0.0000003 0.0000006 0.0000003 8 -0.0000000 0.0000001 0.0000004 0.0000003 9 0.0000005 0.0000021 -0.0000003 0.0000015 10 -0.0000001 0.0000007 0.0000000 0.0000007 16:27:00 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 = 2.507762e-03 Vs vthar_im_ave = 7.009589e-06 Vs mm_re_ave = 5.678381e-07 Tm^3 mm_im_ave = 1.587197e-09 Tm^3 16:27:00 Magnetic Moment Measurement M = 5.678403e-07 +- 1.003028e-10 Tm^3 Theta = -0.160150 +- 0.021341 deg 16:27:03 Temperature Measurement, Probe Number = 0, T = 20.057014 C 16:27:05 Temperature Measurement, Probe Number = 1, T = 20.183915 C 16:27:06 Magnet Current, Imag = 4.011037 A Vtrans = 2.567064 V, Factor V/A = 0.640000 V/A, Zero Current = 0.000000 A 16:27:08 Magnet Current, Imag = 4.011006 A Vtrans = 2.567044 V, Factor V/A = 0.640000 V/A, Zero Current = 0.000000 A 16:27:09 Magnet Current, Imag = 4.010989 A Vtrans = 2.567033 V, Factor V/A = 0.640000 V/A, Zero Current = 0.000000 A 16:27:10 Magnet Current, Imag = 4.010989 A Vtrans = 2.567033 V, Factor V/A = 0.640000 V/A, Zero Current = 0.000000 A 16:27:10 Magnet Current Measurement: Imag = 4.0110 +- 0.0000 A 16:27:10 Calibration Coil Magnetic Moment Measurement Coil current, I = 4.011005 +/- 0.000020 A Coil area, A = 0.111860 m^2 Magnetic Moment, M = 5.638167e-07 Tm^3