SLAC Magnetic Measurements Date: 02-03-2010 Time: 12:49:01 Project: E163 Magnet Type: PMQ_Coil_Calib Magnet Name: Calib Serial Number: Run Number: 2 Measurement Device: Helmholtz coil Operator: sda Comment: Coil Calibration at 6 amps. Low pass amp set to 100 Hz cutoff. 12:49:03 Initial Zero Current Measurement, Imag_zero = 0.0000 A 12:49:04 Temperature Measurement Device(s) Being Used, type = YSI44036_HP3457 12:49:15 Begin Helmholtz Coil Measurement Helmholtz coil measurement: The gain is set to 10 12:49:45 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 0.0037545 -0.0002151 0.0037606 -3.2790058 2 0.0000015 0.0000015 0.0000021 43.3604156 3 0.0000023 0.0000026 0.0000035 48.4539956 4 -0.0000041 0.0000006 0.0000042 171.1581012 5 -0.0000021 -0.0000028 0.0000035 -126.5936659 6 -0.0000015 -0.0000008 0.0000017 -151.7922018 7 0.0000052 -0.0000023 0.0000057 -23.9666828 8 0.0000003 0.0000006 0.0000007 68.2420593 9 0.0000017 0.0000002 0.0000017 6.2780148 10 0.0000020 0.0000016 0.0000026 38.3804134 12:50:01 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 0.0037581 0.0000936 0.0037593 1.4262360 2 0.0000067 0.0000105 0.0000125 57.3353309 3 -0.0000034 0.0000079 0.0000086 113.1325061 4 -0.0000036 0.0000038 0.0000052 133.7047309 5 -0.0000005 0.0000004 0.0000007 140.0039852 6 -0.0000052 0.0000049 0.0000071 136.3543688 7 -0.0000053 -0.0000027 0.0000059 -152.8501319 8 0.0000009 0.0000065 0.0000065 82.4968922 9 0.0000002 0.0000030 0.0000030 85.3313092 10 -0.0000057 0.0000047 0.0000073 140.4056877 12:50:17 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 0.0037558 -0.0002303 0.0037628 -3.5091027 2 -0.0000005 0.0000030 0.0000030 100.2203882 3 -0.0000008 0.0000026 0.0000027 106.1727951 4 -0.0000054 0.0000019 0.0000057 160.7034060 5 -0.0000012 0.0000025 0.0000028 114.5164140 6 -0.0000015 -0.0000022 0.0000026 -123.5314805 7 -0.0000071 0.0000036 0.0000080 153.2957247 8 0.0000012 -0.0000012 0.0000017 -44.1551548 9 0.0000023 -0.0000048 0.0000053 -64.9901765 10 -0.0000005 0.0000044 0.0000044 96.3196028 12:50:33 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 0.0037609 0.0000483 0.0037612 0.7356948 2 -0.0000033 0.0000054 0.0000063 121.0827780 3 0.0000000 0.0000041 0.0000041 89.7677573 4 -0.0000027 0.0000060 0.0000066 114.3341470 5 -0.0000004 -0.0000031 0.0000032 -97.5112941 6 -0.0000008 0.0000019 0.0000021 113.4944553 7 0.0000037 -0.0000080 0.0000089 -65.1608927 8 -0.0000039 -0.0000020 0.0000044 -153.3373427 9 -0.0000029 0.0000038 0.0000048 127.0204868 10 0.0000032 0.0000018 0.0000036 29.4667642 12:50:49 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 0.0037549 -0.0002310 0.0037620 -3.5203537 2 -0.0000035 -0.0000012 0.0000037 -161.1642097 3 0.0000007 0.0000002 0.0000008 12.1323291 4 0.0000005 0.0000003 0.0000006 25.7939757 5 -0.0000007 0.0000020 0.0000021 110.5196585 6 -0.0000009 -0.0000008 0.0000012 -139.9080065 7 -0.0000036 0.0000030 0.0000047 140.0553132 8 -0.0000009 0.0000003 0.0000009 164.5464666 9 0.0000045 -0.0000008 0.0000046 -10.1309369 10 -0.0000030 0.0000027 0.0000041 138.2360150 12:51:05 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 0.0037638 0.0000596 0.0037642 0.9072416 2 0.0000012 0.0000070 0.0000071 80.1444936 3 -0.0000023 0.0000041 0.0000047 119.5167482 4 -0.0000066 0.0000024 0.0000070 160.2630479 5 0.0000000 0.0000031 0.0000031 89.2918161 6 -0.0000007 -0.0000013 0.0000015 -116.1550730 7 -0.0000014 -0.0000026 0.0000030 -117.6505731 8 -0.0000009 -0.0000003 0.0000010 -160.7621893 9 -0.0000031 0.0000007 0.0000031 167.4337667 10 -0.0000012 0.0000031 0.0000034 111.7120386 12:51:21 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 0.0037565 -0.0001812 0.0037609 -2.7618845 2 0.0000011 -0.0000030 0.0000032 -70.0586206 3 -0.0000000 -0.0000005 0.0000005 -93.6184206 4 -0.0000012 -0.0000001 0.0000012 -176.7560307 5 0.0000010 0.0000021 0.0000023 64.1969859 6 0.0000030 0.0000006 0.0000031 11.6642029 7 -0.0000040 0.0000004 0.0000040 174.4418327 8 -0.0000011 0.0000010 0.0000015 139.0912353 9 0.0000034 0.0000002 0.0000034 2.6697776 10 -0.0000006 -0.0000004 0.0000008 -145.7814104 12:51:37 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 0.0037624 0.0000997 0.0037637 1.5176805 2 0.0000026 0.0000038 0.0000046 55.3492102 3 0.0000020 -0.0000045 0.0000049 -66.2171467 4 0.0000065 -0.0000002 0.0000065 -1.7014524 5 -0.0000013 0.0000027 0.0000030 115.6462881 6 -0.0000036 -0.0000010 0.0000037 -164.0509943 7 0.0000022 0.0000004 0.0000022 10.7028843 8 -0.0000049 -0.0000019 0.0000052 -159.1301407 9 0.0000004 0.0000005 0.0000006 52.2488652 10 -0.0000063 -0.0000040 0.0000075 -147.7162818 12:51:37 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 0.0037584 0.0000013 -0.0000696 0.0000202 2 0.0000007 0.0000024 0.0000034 0.0000020 3 -0.0000002 0.0000007 0.0000021 0.0000028 4 -0.0000021 0.0000027 0.0000018 0.0000015 5 -0.0000006 0.0000005 0.0000009 0.0000016 6 -0.0000014 0.0000012 0.0000002 0.0000011 7 -0.0000013 0.0000009 -0.0000010 0.0000013 8 -0.0000012 0.0000013 0.0000004 0.0000019 9 0.0000008 0.0000008 0.0000003 0.0000008 10 -0.0000015 0.0000018 0.0000017 0.0000023 12:51:37 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 = 3.758354e-03 Vs vthar_im_ave = -6.956059e-05 Vs mm_re_ave = 8.510125e-07 Tm^3 mm_im_ave = -1.575076e-08 Tm^3 12:51:37 Magnetic Moment Measurement M = 8.511583e-07 +- 2.999633e-10 Tm^3 Theta = 1.060324 +- 0.307337 deg 12:51:40 Temperature Measurement, Probe Number = 0, T = 20.087245 C 12:51:42 Temperature Measurement, Probe Number = 1, T = 20.023823 C 12:51:43 Magnet Current, Imag = 6.0184 A Vtrans = 3.851780 V, Factor V/A = 0.640000 V/A, Zero Current = 0.000000 A 12:51:45 Magnet Current, Imag = 6.0184 A Vtrans = 3.851780 V, Factor V/A = 0.640000 V/A, Zero Current = 0.000000 A 12:51:46 Magnet Current, Imag = 6.0184 A Vtrans = 3.851790 V, Factor V/A = 0.640000 V/A, Zero Current = 0.000000 A 12:51:48 Magnet Current, Imag = 6.0184 A Vtrans = 3.851780 V, Factor V/A = 0.640000 V/A, Zero Current = 0.000000 A 12:51:48 Magnet Current Measurement: Imag = 6.0184 +- 0.0000 A 12:51:48 Calibration Coil Magnetic Moment Measurement Coil current, I = 6.018410 +/- 0.000007 A Coil area, A = 0.111860 m^2 Magnetic Moment, M = 8.459924e-07 Tm^3