SLAC Magnetic Measurements Date: 04-28-2006 Time: 11:43:23 Project: HHCalib Magnet Type: Calibrate Magnet Name: MNRC_8 Serial Number: Run Number: 4 Measurement Device: Helmholtz coil Operator: sa Comment: Short with 6 A 4 turns cw 11:43:24 Initial Zero Current Measurement, Imag_zero = 0.0000 A 11:43:25 Temperature Measurement Device(s) Being Used, type = YSI44036_HP3457 11:43:36 Begin Helmholtz Coil Measurement Helmholtz coil measurement: The gain is set to 50 11:44:06 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 0.0000015 -0.0000026 0.0000030 -59.1268088 2 0.0000004 0.0000000 0.0000004 4.4691748 3 -0.0000002 0.0000004 0.0000005 112.4131486 4 -0.0000004 0.0000004 0.0000005 134.0720682 5 -0.0000004 0.0000004 0.0000006 134.2666665 6 -0.0000006 0.0000006 0.0000009 136.6867727 7 -0.0000007 0.0000008 0.0000010 130.0433219 8 -0.0000032 0.0000004 0.0000032 173.1972449 9 -0.0000012 0.0000010 0.0000016 139.9833602 10 -0.0000016 0.0000017 0.0000024 133.8779677 11:44:23 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 0.0000008 -0.0000022 0.0000024 -71.3988848 2 -0.0000019 0.0000003 0.0000019 172.3620871 3 -0.0000014 -0.0000002 0.0000014 -170.8761348 4 -0.0000014 -0.0000005 0.0000015 -160.8427772 5 -0.0000014 -0.0000006 0.0000015 -157.2954408 6 -0.0000015 -0.0000007 0.0000017 -153.8118136 7 -0.0000017 -0.0000008 0.0000019 -153.5178191 8 -0.0000032 -0.0000031 0.0000044 -136.0520561 9 -0.0000020 -0.0000014 0.0000024 -145.4779444 10 -0.0000024 -0.0000020 0.0000031 -139.5977048 11:44:39 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 0.0000021 -0.0000026 0.0000033 -51.0824906 2 0.0000011 0.0000000 0.0000011 1.4449045 3 0.0000004 0.0000000 0.0000004 5.2691903 4 0.0000004 0.0000000 0.0000004 7.0769177 5 0.0000003 -0.0000000 0.0000003 -0.1132883 6 0.0000005 -0.0000001 0.0000005 -16.7042818 7 0.0000005 -0.0000002 0.0000005 -19.3549950 8 0.0000029 -0.0000004 0.0000030 -6.9849515 9 0.0000005 -0.0000004 0.0000007 -37.7172870 10 0.0000003 -0.0000004 0.0000005 -56.2513289 11:44:56 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 0.0000017 -0.0000021 0.0000027 -50.7383526 2 -0.0000014 0.0000004 0.0000014 162.8866667 3 -0.0000005 0.0000000 0.0000005 177.6256588 4 -0.0000004 -0.0000003 0.0000005 -143.6201556 5 -0.0000005 -0.0000004 0.0000006 -143.7166761 6 -0.0000003 -0.0000004 0.0000005 -130.1182865 7 -0.0000003 -0.0000006 0.0000007 -116.1403162 8 -0.0000024 -0.0000018 0.0000030 -142.7920353 9 -0.0000001 -0.0000011 0.0000011 -96.5687392 10 0.0000004 -0.0000014 0.0000015 -73.4993108 11:44:56 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 0.0000015 0.0000004 -0.0000024 0.0000000 2 -0.0000004 0.0000003 0.0000002 0.0000000 3 -0.0000004 0.0000004 0.0000001 0.0000000 4 -0.0000005 0.0000004 -0.0000001 0.0000000 5 -0.0000005 0.0000004 -0.0000001 0.0000000 6 -0.0000005 0.0000006 -0.0000002 0.0000001 7 -0.0000005 0.0000006 -0.0000002 0.0000002 8 -0.0000015 0.0000017 -0.0000012 0.0000001 9 -0.0000007 0.0000009 -0.0000005 0.0000003 10 -0.0000008 0.0000012 -0.0000006 0.0000004 11:44:56 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 = 1.519689e-06 Vs vthar_im_ave = -2.367757e-06 Vs mm_re_ave = 3.441067e-10 Tm^3 mm_im_ave = -5.361364e-10 Tm^3 11:44:56 Magnetic Moment Measurement M = 6.370649e-10 +- 4.649576e-11 Tm^3 Theta = 57.306568 +- 6.469583 deg 11:44:58 Temperature Measurement, Probe Number = 0, T = 21.438447 C 11:45:00 Temperature Measurement, Probe Number = 1, T = 21.209896 C 11:45:01 Magnet Current, Imag = 6.0197 A Vtrans = 3.009861 V, Factor V/A = 0.500000 V/A, Zero Current = 0.000000 A 11:45:02 Magnet Current, Imag = 6.0197 A Vtrans = 3.009861 V, Factor V/A = 0.500000 V/A, Zero Current = 0.000000 A 11:45:04 Magnet Current, Imag = 6.0197 A Vtrans = 3.009857 V, Factor V/A = 0.500000 V/A, Zero Current = 0.000000 A 11:45:05 Magnet Current, Imag = 6.0197 A Vtrans = 3.009843 V, Factor V/A = 0.500000 V/A, Zero Current = 0.000000 A 11:45:05 Magnet Current Measurement: Imag = 6.0197 +- 0.0000 A 11:45:05 Calibration Coil Magnetic Moment Measurement Coil current, I = 6.019711 +/- 0.000015 A Coil area, A = 0.111860 m^2 Magnetic Moment, M = 8.461752e-07 Tm^3