SLAC Magnetic Measurements Date: 01-29-2004 Time: 12:38:33 Project: Orion Magnet Type: solenoid Magnet Name: Ecomp Serial Number: Run Number: 15 Measurement Device: Coil ZZ Operator: sa Comment: Bt vs z at geometric axis, 150 A. z=0 magnet center Standardization: 4 cycles from 0.0 A to 220.0 A to 0.0 A Test Currents (A): 150.0 12:38:45 Btcoil, device being used, type = SR850 12:38:57 Stage Zeroed 12:38:57 MoveZ Devices: Move Device = SXDRIVE, Read Device = SXDRIVE 12:38:58 Initial Zero Current Measurement, Imag_zero = 0.0000 A 12:38:58 Magnet current ramping to 220.0000 A... 12:41:33 Magnet current ramping to 0.0000 A... 12:44:09 Magnet current ramping to 220.0000 A... 12:46:46 Magnet current ramping to 0.0000 A... 12:49:21 Magnet current ramping to 220.0000 A... 12:51:58 Magnet current ramping to 0.0000 A... 12:54:34 Magnet current ramping to 220.0000 A... 12:57:10 Magnet current ramping to 0.0000 A... 12:59:46 Magnet current ramping to 150.0000 A... 13:02:38 Move Stage, position = -0.250000 13:02:39 Stage Position Measurement, pos = -0.250000 m 13:02:41 Magnet Current, Imag = 150.0377 A Vtrans = 1.500377 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000000 A 13:03:16 Coil Voltage Measurement meas_freq = 23.823700 Hz, meas_v_mag = 0.000057 V, meas_v_ph = -14.004000 deg freq = 23.823700 Hz, v_amp = 0.000081 V, v_ph = -104.004000 deg 13:03:16 Transverse Field Calculation freq = 23.823700 Hz, v_amp = 0.000081 V, v_ph = -104.004000 deg Coil Constant = 0.334200 (T/V0p) Transverse Field, Bt = 0.000027 T, THsp = 104.004000 deg 13:03:26 Move Stage, position = -0.225000 13:03:28 Stage Position Measurement, pos = -0.225000 m 13:03:29 Magnet Current, Imag = 150.0382 A Vtrans = 1.500382 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000000 A 13:04:04 Coil Voltage Measurement meas_freq = 23.824700 Hz, meas_v_mag = 0.000074 V, meas_v_ph = -21.732000 deg freq = 23.824700 Hz, v_amp = 0.000105 V, v_ph = -111.732000 deg 13:04:04 Transverse Field Calculation freq = 23.824700 Hz, v_amp = 0.000105 V, v_ph = -111.732000 deg Coil Constant = 0.334200 (T/V0p) Transverse Field, Bt = 0.000035 T, THsp = 111.732000 deg 13:04:14 Move Stage, position = -0.200000 13:04:16 Stage Position Measurement, pos = -0.200000 m 13:04:17 Magnet Current, Imag = 150.0355 A Vtrans = 1.500355 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000000 A 13:04:52 Coil Voltage Measurement meas_freq = 23.820900 Hz, meas_v_mag = 0.000171 V, meas_v_ph = -90.000000 deg freq = 23.820900 Hz, v_amp = 0.000241 V, v_ph = -180.000000 deg 13:04:52 Transverse Field Calculation freq = 23.820900 Hz, v_amp = 0.000241 V, v_ph = -180.000000 deg Coil Constant = 0.334200 (T/V0p) Transverse Field, Bt = 0.000081 T, THsp = 180.000000 deg 13:05:02 Move Stage, position = -0.175000 13:05:03 Stage Position Measurement, pos = -0.175000 m 13:05:05 Magnet Current, Imag = 150.0325 A Vtrans = 1.500325 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000000 A 13:05:39 Coil Voltage Measurement meas_freq = 23.826600 Hz, meas_v_mag = 0.000046 V, meas_v_ph = 0.000000 deg freq = 23.826600 Hz, v_amp = 0.000065 V, v_ph = -90.000000 deg 13:05:39 Transverse Field Calculation freq = 23.826600 Hz, v_amp = 0.000065 V, v_ph = -90.000000 deg Coil Constant = 0.334200 (T/V0p) Transverse Field, Bt = 0.000022 T, THsp = 90.000000 deg 13:05:50 Move Stage, position = -0.150000 13:05:51 Stage Position Measurement, pos = -0.150000 m 13:05:53 Magnet Current, Imag = 150.0328 A Vtrans = 1.500328 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000000 A 13:06:29 Coil Voltage Measurement meas_freq = 23.822800 Hz, meas_v_mag = 0.000040 V, meas_v_ph = 9.120000 deg freq = 23.822800 Hz, v_amp = 0.000057 V, v_ph = -80.880000 deg 13:06:29 Transverse Field Calculation freq = 23.822800 Hz, v_amp = 0.000057 V, v_ph = -80.880000 deg Coil Constant = 0.334200 (T/V0p) Transverse Field, Bt = 0.000019 T, THsp = 80.880000 deg 13:06:39 Move Stage, position = -0.125000 13:06:41 Stage Position Measurement, pos = -0.125000 m 13:06:42 Magnet Current, Imag = 150.0363 A Vtrans = 1.500363 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000000 A 13:07:03 Coil Voltage Measurement meas_freq = 23.820900 Hz, meas_v_mag = 0.000137 V, meas_v_ph = 100.506000 deg freq = 23.820900 Hz, v_amp = 0.000193 V, v_ph = 10.506000 deg 13:07:03 Transverse Field Calculation freq = 23.820900 Hz, v_amp = 0.000193 V, v_ph = 10.506000 deg Coil Constant = 0.334200 (T/V0p) Transverse Field, Bt = 0.000065 T, THsp = -10.506000 deg 13:07:13 Move Stage, position = -0.100000 13:07:15 Stage Position Measurement, pos = -0.100000 m 13:07:16 Magnet Current, Imag = 150.0373 A Vtrans = 1.500373 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000000 A 13:07:36 Coil Voltage Measurement meas_freq = 23.821800 Hz, meas_v_mag = 0.000269 V, meas_v_ph = 150.360000 deg freq = 23.821800 Hz, v_amp = 0.000381 V, v_ph = 60.360000 deg 13:07:36 Transverse Field Calculation freq = 23.821800 Hz, v_amp = 0.000381 V, v_ph = 60.360000 deg Coil Constant = 0.334200 (T/V0p) Transverse Field, Bt = 0.000127 T, THsp = -60.360000 deg 13:07:46 Move Stage, position = -0.075000 13:07:48 Stage Position Measurement, pos = -0.075000 m 13:07:49 Magnet Current, Imag = 150.0326 A Vtrans = 1.500326 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000000 A 13:08:22 Coil Voltage Measurement meas_freq = 23.823700 Hz, meas_v_mag = 0.000465 V, meas_v_ph = 156.774000 deg freq = 23.823700 Hz, v_amp = 0.000658 V, v_ph = 66.774000 deg 13:08:22 Transverse Field Calculation freq = 23.823700 Hz, v_amp = 0.000658 V, v_ph = 66.774000 deg Coil Constant = 0.334200 (T/V0p) Transverse Field, Bt = 0.000220 T, THsp = -66.774000 deg 13:08:32 Move Stage, position = -0.050000 13:08:34 Stage Position Measurement, pos = -0.050000 m 13:08:35 Magnet Current, Imag = 150.0323 A Vtrans = 1.500323 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000000 A 13:09:11 Coil Voltage Measurement meas_freq = 23.820900 Hz, meas_v_mag = 0.000561 V, meas_v_ph = 155.526000 deg freq = 23.820900 Hz, v_amp = 0.000793 V, v_ph = 65.526000 deg 13:09:11 Transverse Field Calculation freq = 23.820900 Hz, v_amp = 0.000793 V, v_ph = 65.526000 deg Coil Constant = 0.334200 (T/V0p) Transverse Field, Bt = 0.000265 T, THsp = -65.526000 deg 13:09:21 Move Stage, position = -0.025000 13:09:23 Stage Position Measurement, pos = -0.025000 m 13:09:24 Magnet Current, Imag = 150.0303 A Vtrans = 1.500303 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000000 A 13:09:57 Coil Voltage Measurement meas_freq = 23.819900 Hz, meas_v_mag = 0.000557 V, meas_v_ph = 148.494000 deg freq = 23.819900 Hz, v_amp = 0.000788 V, v_ph = 58.494000 deg 13:09:57 Transverse Field Calculation freq = 23.819900 Hz, v_amp = 0.000788 V, v_ph = 58.494000 deg Coil Constant = 0.334200 (T/V0p) Transverse Field, Bt = 0.000263 T, THsp = -58.494000 deg 13:10:07 Move Stage, position = 0.000000 13:10:09 Stage Position Measurement, pos = 0.000000 m 13:10:10 Magnet Current, Imag = 150.0329 A Vtrans = 1.500329 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000000 A 13:10:29 Coil Voltage Measurement meas_freq = 23.827600 Hz, meas_v_mag = 0.000495 V, meas_v_ph = 151.530000 deg freq = 23.827600 Hz, v_amp = 0.000700 V, v_ph = 61.530000 deg 13:10:29 Transverse Field Calculation freq = 23.827600 Hz, v_amp = 0.000700 V, v_ph = 61.530000 deg Coil Constant = 0.334200 (T/V0p) Transverse Field, Bt = 0.000234 T, THsp = -61.530000 deg 13:10:39 Move Stage, position = 0.025000 13:10:41 Stage Position Measurement, pos = 0.025000 m 13:10:42 Magnet Current, Imag = 150.0317 A Vtrans = 1.500317 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000000 A 13:11:15 Coil Voltage Measurement meas_freq = 23.825600 Hz, meas_v_mag = 0.000496 V, meas_v_ph = 172.926000 deg freq = 23.825600 Hz, v_amp = 0.000701 V, v_ph = 82.926000 deg 13:11:15 Transverse Field Calculation freq = 23.825600 Hz, v_amp = 0.000701 V, v_ph = 82.926000 deg Coil Constant = 0.334200 (T/V0p) Transverse Field, Bt = 0.000234 T, THsp = -82.926000 deg 13:11:25 Move Stage, position = 0.050000 13:11:27 Stage Position Measurement, pos = 0.050000 m 13:11:28 Magnet Current, Imag = 150.0319 A Vtrans = 1.500319 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000000 A 13:11:47 Coil Voltage Measurement meas_freq = 23.826600 Hz, meas_v_mag = 0.000561 V, meas_v_ph = -167.952000 deg freq = 23.826600 Hz, v_amp = 0.000793 V, v_ph = 102.048000 deg 13:11:47 Transverse Field Calculation freq = 23.826600 Hz, v_amp = 0.000793 V, v_ph = 102.048000 deg Coil Constant = 0.334200 (T/V0p) Transverse Field, Bt = 0.000265 T, THsp = -102.048000 deg 13:11:58 Move Stage, position = 0.075000 13:11:59 Stage Position Measurement, pos = 0.075000 m 13:12:01 Magnet Current, Imag = 150.0329 A Vtrans = 1.500329 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000000 A 13:12:33 Coil Voltage Measurement meas_freq = 23.822800 Hz, meas_v_mag = 0.001045 V, meas_v_ph = -176.652000 deg freq = 23.822800 Hz, v_amp = 0.001478 V, v_ph = 93.348000 deg 13:12:33 Transverse Field Calculation freq = 23.822800 Hz, v_amp = 0.001478 V, v_ph = 93.348000 deg Coil Constant = 0.334200 (T/V0p) Transverse Field, Bt = 0.000494 T, THsp = -93.348000 deg 13:12:43 Move Stage, position = 0.100000 13:12:45 Stage Position Measurement, pos = 0.100000 m 13:12:46 Magnet Current, Imag = 150.0287 A Vtrans = 1.500287 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000000 A 13:13:05 Coil Voltage Measurement meas_freq = 23.820900 Hz, meas_v_mag = 0.000719 V, meas_v_ph = -172.452000 deg freq = 23.820900 Hz, v_amp = 0.001017 V, v_ph = 97.548000 deg 13:13:05 Transverse Field Calculation freq = 23.820900 Hz, v_amp = 0.001017 V, v_ph = 97.548000 deg Coil Constant = 0.334200 (T/V0p) Transverse Field, Bt = 0.000340 T, THsp = -97.548000 deg 13:13:16 Move Stage, position = 0.125000 13:13:17 Stage Position Measurement, pos = 0.125000 m 13:13:19 Magnet Current, Imag = 150.0320 A Vtrans = 1.500320 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000000 A 13:13:38 Coil Voltage Measurement meas_freq = 23.819000 Hz, meas_v_mag = 0.000132 V, meas_v_ph = -155.790000 deg freq = 23.819000 Hz, v_amp = 0.000187 V, v_ph = 114.210000 deg 13:13:38 Transverse Field Calculation freq = 23.819000 Hz, v_amp = 0.000187 V, v_ph = 114.210000 deg Coil Constant = 0.334200 (T/V0p) Transverse Field, Bt = 0.000063 T, THsp = -114.210000 deg 13:13:49 Move Stage, position = 0.150000 13:13:50 Stage Position Measurement, pos = 0.150000 m 13:13:52 Magnet Current, Imag = 150.0388 A Vtrans = 1.500388 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000000 A 13:14:26 Coil Voltage Measurement meas_freq = 23.822800 Hz, meas_v_mag = 0.000079 V, meas_v_ph = -116.460000 deg freq = 23.822800 Hz, v_amp = 0.000112 V, v_ph = 153.540000 deg 13:14:26 Transverse Field Calculation freq = 23.822800 Hz, v_amp = 0.000112 V, v_ph = 153.540000 deg Coil Constant = 0.334200 (T/V0p) Transverse Field, Bt = 0.000037 T, THsp = -153.540000 deg 13:14:37 Move Stage, position = 0.175000 13:14:38 Stage Position Measurement, pos = 0.175000 m 13:14:40 Magnet Current, Imag = 150.0316 A Vtrans = 1.500316 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000000 A 13:15:17 Coil Voltage Measurement meas_freq = 23.821800 Hz, meas_v_mag = 0.000077 V, meas_v_ph = -71.568000 deg freq = 23.821800 Hz, v_amp = 0.000110 V, v_ph = -161.568000 deg 13:15:17 Transverse Field Calculation freq = 23.821800 Hz, v_amp = 0.000110 V, v_ph = -161.568000 deg Coil Constant = 0.334200 (T/V0p) Transverse Field, Bt = 0.000037 T, THsp = 161.568000 deg 13:15:28 Move Stage, position = 0.200000 13:15:29 Stage Position Measurement, pos = 0.200000 m 13:15:30 Magnet Current, Imag = 150.0341 A Vtrans = 1.500341 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000000 A 13:16:04 Coil Voltage Measurement meas_freq = 23.819000 Hz, meas_v_mag = 0.000081 V, meas_v_ph = -152.394000 deg freq = 23.819000 Hz, v_amp = 0.000115 V, v_ph = 117.606000 deg 13:16:04 Transverse Field Calculation freq = 23.819000 Hz, v_amp = 0.000115 V, v_ph = 117.606000 deg Coil Constant = 0.334200 (T/V0p) Transverse Field, Bt = 0.000038 T, THsp = -117.606000 deg 13:16:14 Move Stage, position = 0.225000 13:16:16 Stage Position Measurement, pos = 0.225000 m 13:16:17 Magnet Current, Imag = 150.0319 A Vtrans = 1.500319 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000000 A 13:16:51 Coil Voltage Measurement meas_freq = 23.822800 Hz, meas_v_mag = 0.000029 V, meas_v_ph = -117.924000 deg freq = 23.822800 Hz, v_amp = 0.000041 V, v_ph = 152.076000 deg 13:16:51 Transverse Field Calculation freq = 23.822800 Hz, v_amp = 0.000041 V, v_ph = 152.076000 deg Coil Constant = 0.334200 (T/V0p) Transverse Field, Bt = 0.000014 T, THsp = -152.076000 deg 13:17:01 Move Stage, position = 0.250000 13:17:03 Stage Position Measurement, pos = 0.250000 m 13:17:04 Magnet Current, Imag = 150.0322 A Vtrans = 1.500322 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000000 A 13:17:39 Coil Voltage Measurement meas_freq = 23.825600 Hz, meas_v_mag = 0.000113 V, meas_v_ph = -135.000000 deg freq = 23.825600 Hz, v_amp = 0.000160 V, v_ph = 135.000000 deg 13:17:39 Transverse Field Calculation freq = 23.825600 Hz, v_amp = 0.000160 V, v_ph = 135.000000 deg Coil Constant = 0.334200 (T/V0p) Transverse Field, Bt = 0.000054 T, THsp = -135.000000 deg 13:18:34 Move Stage, position = 0.000000 13:18:35 Magnet current ramping to 0.0000 A...