SLAC Magnetic Measurements Date: 03-11-2011 Time: 17:06:45 Project: Klystron Magnet Type: Solenoid Magnet Name: XL4_SN124 Serial Number: Run Number: 12 Measurement Device: Coil_ZZ Operator: sda Comment: Pole piece removed. Bucking Coil off, Bottom Mains PS 321 A.. Transverse dipole fields vs z. 17:07:07 Btcoil, device being used, type = SR850 17:07:19 Stage Zeroed 17:07:19 MoveZ Devices: Move Device = SXDRIVE, Read Device = SXDRIVE 17:07:22 Magnet Current for Main, Imag = -0.0115 A Vtrans = -0.000115 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000000 A 17:07:23 Magnet Current for Main, Imag = -0.0115 A Vtrans = -0.000115 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000000 A 17:07:24 Magnet Current for Main, Imag = -0.0115 A Vtrans = -0.000115 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000000 A 17:07:24 Magnet Current for Main, Imag = -0.0115 A Vtrans = -0.000115 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000000 A 17:07:24 Magnet Avgerage Current Measurement for Main : Imag = -0.0115 +- 0.0000 A 17:07:46 Initial Zero Current Measurement for Main, Imag_zero = -0.0114694 A 17:07:46 Magnet system Main current ramping to 50.0000 A... 17:09:16 Magnet Current for Bucking, Imag = 0.0013 A Vtrans = 0.000101 V, Factor V/A = 0.080000 V/A, Zero Current = 0.000000 A 17:09:17 Magnet Current for Bucking, Imag = 0.0013 A Vtrans = 0.000101 V, Factor V/A = 0.080000 V/A, Zero Current = 0.000000 A 17:09:17 Magnet Current for Bucking, Imag = 0.0013 A Vtrans = 0.000102 V, Factor V/A = 0.080000 V/A, Zero Current = 0.000000 A 17:09:18 Magnet Current for Bucking, Imag = 0.0013 A Vtrans = 0.000101 V, Factor V/A = 0.080000 V/A, Zero Current = 0.000000 A 17:09:18 Magnet Avgerage Current Measurement for Bucking : Imag = 0.0013 +- 0.0000 A 17:09:19 Initial Zero Current Measurement for Bucking, Imag_zero = 0.00126938 A Test Currents for Main (A): 321.00 Test Currents for Bucking (A): 0.00 17:09:19 Magnet system Main current ramping to 321.0000 A... 17:10:17 Magnet system Bucking current ramping to 0.0000 A... 17:11:04 Move Stage, position = -0.150000 17:11:06 Stage Position Measurement, pos = -0.1501350 m 17:11:06 Magnet Current for Main, Imag = 321.1952 A Vtrans = 3.211838 V, Factor V/A = 0.010000 V/A, Zero Current = -0.011469 A 17:11:07 Magnet Current for Bucking, Imag = 0.0000 A Vtrans = 0.000102 V, Factor V/A = 0.080000 V/A, Zero Current = 0.001269 A 17:11:41 Coil Voltage Measurement meas_freq = 23.856200 Hz, meas_v_mag = 0.000173 V, meas_v_ph = 75.294000 deg freq = 23.856200 Hz, v_amp = 0.000244 V, v_ph = -14.706000 deg 17:11:41 Transverse Field Calculation freq = 23.856200 Hz, v_amp = 0.000244 V, v_ph = -14.706000 deg Coil Constant = 0.334200 (T/V0p) Transverse Field, Bt = 0.000082 T, THsp = 14.706000 deg 17:11:51 Move Stage, position = -0.124700 17:11:52 Stage Position Measurement, pos = -0.1255350 m 17:11:53 Magnet Current for Main, Imag = 321.2195 A Vtrans = 3.212081 V, Factor V/A = 0.010000 V/A, Zero Current = -0.011469 A 17:11:54 Magnet Current for Bucking, Imag = 0.0000 A Vtrans = 0.000102 V, Factor V/A = 0.080000 V/A, Zero Current = 0.001269 A 17:12:29 Coil Voltage Measurement meas_freq = 23.852300 Hz, meas_v_mag = 0.000320 V, meas_v_ph = 61.122000 deg freq = 23.852300 Hz, v_amp = 0.000453 V, v_ph = -28.878000 deg 17:12:29 Transverse Field Calculation freq = 23.852300 Hz, v_amp = 0.000453 V, v_ph = -28.878000 deg Coil Constant = 0.334200 (T/V0p) Transverse Field, Bt = 0.000151 T, THsp = 28.878000 deg 17:12:38 Move Stage, position = -0.100000 17:12:40 Stage Position Measurement, pos = -0.1007550 m 17:12:40 Magnet Current for Main, Imag = 321.2095 A Vtrans = 3.211980 V, Factor V/A = 0.010000 V/A, Zero Current = -0.011469 A 17:12:41 Magnet Current for Bucking, Imag = 0.0000 A Vtrans = 0.000102 V, Factor V/A = 0.080000 V/A, Zero Current = 0.001269 A 17:13:15 Coil Voltage Measurement meas_freq = 23.851400 Hz, meas_v_mag = 0.000497 V, meas_v_ph = 57.162000 deg freq = 23.851400 Hz, v_amp = 0.000703 V, v_ph = -32.838000 deg 17:13:15 Transverse Field Calculation freq = 23.851400 Hz, v_amp = 0.000703 V, v_ph = -32.838000 deg Coil Constant = 0.334200 (T/V0p) Transverse Field, Bt = 0.000235 T, THsp = 32.838000 deg 17:13:24 Move Stage, position = -0.075000 17:13:25 Stage Position Measurement, pos = -0.0757850 m 17:13:26 Magnet Current for Main, Imag = 321.2082 A Vtrans = 3.211967 V, Factor V/A = 0.010000 V/A, Zero Current = -0.011469 A 17:13:27 Magnet Current for Bucking, Imag = 0.0000 A Vtrans = 0.000102 V, Factor V/A = 0.080000 V/A, Zero Current = 0.001269 A 17:14:00 Coil Voltage Measurement meas_freq = 23.851400 Hz, meas_v_mag = 0.000768 V, meas_v_ph = 55.548000 deg freq = 23.851400 Hz, v_amp = 0.001086 V, v_ph = -34.452000 deg 17:14:00 Transverse Field Calculation freq = 23.851400 Hz, v_amp = 0.001086 V, v_ph = -34.452000 deg Coil Constant = 0.334200 (T/V0p) Transverse Field, Bt = 0.000363 T, THsp = 34.452000 deg 17:14:10 Move Stage, position = -0.050000 17:14:11 Stage Position Measurement, pos = -0.0507150 m 17:14:12 Magnet Current for Main, Imag = 321.2105 A Vtrans = 3.211991 V, Factor V/A = 0.010000 V/A, Zero Current = -0.011469 A 17:14:12 Magnet Current for Bucking, Imag = 0.0000 A Vtrans = 0.000103 V, Factor V/A = 0.080000 V/A, Zero Current = 0.001269 A 17:14:45 Coil Voltage Measurement meas_freq = 23.852300 Hz, meas_v_mag = 0.001009 V, meas_v_ph = 57.912000 deg freq = 23.852300 Hz, v_amp = 0.001426 V, v_ph = -32.088000 deg 17:14:45 Transverse Field Calculation freq = 23.852300 Hz, v_amp = 0.001426 V, v_ph = -32.088000 deg Coil Constant = 0.334200 (T/V0p) Transverse Field, Bt = 0.000477 T, THsp = 32.088000 deg 17:14:55 Move Stage, position = -0.025000 17:14:56 Stage Position Measurement, pos = -0.0256350 m 17:14:57 Magnet Current for Main, Imag = 321.2304 A Vtrans = 3.212189 V, Factor V/A = 0.010000 V/A, Zero Current = -0.011469 A 17:14:58 Magnet Current for Bucking, Imag = 0.0000 A Vtrans = 0.000102 V, Factor V/A = 0.080000 V/A, Zero Current = 0.001269 A 17:15:32 Coil Voltage Measurement meas_freq = 23.842800 Hz, meas_v_mag = 0.001122 V, meas_v_ph = 60.786000 deg freq = 23.842800 Hz, v_amp = 0.001586 V, v_ph = -29.214000 deg 17:15:32 Transverse Field Calculation freq = 23.842800 Hz, v_amp = 0.001586 V, v_ph = -29.214000 deg Coil Constant = 0.334200 (T/V0p) Transverse Field, Bt = 0.000530 T, THsp = 29.214000 deg 17:15:41 Move Stage, position = 0.000000 17:15:42 Stage Position Measurement, pos = -0.0005950 m 17:15:43 Magnet Current for Main, Imag = 321.2139 A Vtrans = 3.212025 V, Factor V/A = 0.010000 V/A, Zero Current = -0.011469 A 17:15:44 Magnet Current for Bucking, Imag = 0.0000 A Vtrans = 0.000102 V, Factor V/A = 0.080000 V/A, Zero Current = 0.001269 A 17:16:18 Coil Voltage Measurement meas_freq = 23.850400 Hz, meas_v_mag = 0.001116 V, meas_v_ph = 62.808000 deg freq = 23.850400 Hz, v_amp = 0.001579 V, v_ph = -27.192000 deg 17:16:18 Transverse Field Calculation freq = 23.850400 Hz, v_amp = 0.001579 V, v_ph = -27.192000 deg Coil Constant = 0.334200 (T/V0p) Transverse Field, Bt = 0.000528 T, THsp = 27.192000 deg 17:16:27 Move Stage, position = 0.025000 17:16:29 Stage Position Measurement, pos = 0.0244650 m 17:16:29 Magnet Current for Main, Imag = 321.2194 A Vtrans = 3.212080 V, Factor V/A = 0.010000 V/A, Zero Current = -0.011469 A 17:16:30 Magnet Current for Bucking, Imag = 0.0000 A Vtrans = 0.000102 V, Factor V/A = 0.080000 V/A, Zero Current = 0.001269 A 17:17:08 Coil Voltage Measurement meas_freq = 23.846600 Hz, meas_v_mag = 0.000949 V, meas_v_ph = 62.976000 deg freq = 23.846600 Hz, v_amp = 0.001343 V, v_ph = -27.024000 deg 17:17:08 Transverse Field Calculation freq = 23.846600 Hz, v_amp = 0.001343 V, v_ph = -27.024000 deg Coil Constant = 0.334200 (T/V0p) Transverse Field, Bt = 0.000449 T, THsp = 27.024000 deg 17:17:18 Move Stage, position = 0.050000 17:17:19 Stage Position Measurement, pos = 0.0494350 m 17:17:20 Magnet Current for Main, Imag = 321.2224 A Vtrans = 3.212109 V, Factor V/A = 0.010000 V/A, Zero Current = -0.011469 A 17:17:21 Magnet Current for Bucking, Imag = 0.0000 A Vtrans = 0.000103 V, Factor V/A = 0.080000 V/A, Zero Current = 0.001269 A 17:17:55 Coil Voltage Measurement meas_freq = 23.848500 Hz, meas_v_mag = 0.000669 V, meas_v_ph = 65.286000 deg freq = 23.848500 Hz, v_amp = 0.000946 V, v_ph = -24.714000 deg 17:17:55 Transverse Field Calculation freq = 23.848500 Hz, v_amp = 0.000946 V, v_ph = -24.714000 deg Coil Constant = 0.334200 (T/V0p) Transverse Field, Bt = 0.000316 T, THsp = 24.714000 deg 17:18:04 Move Stage, position = 0.075000 17:18:06 Stage Position Measurement, pos = 0.0744550 m 17:18:06 Magnet Current for Main, Imag = 321.2104 A Vtrans = 3.211989 V, Factor V/A = 0.010000 V/A, Zero Current = -0.011469 A 17:18:07 Magnet Current for Bucking, Imag = 0.0000 A Vtrans = 0.000102 V, Factor V/A = 0.080000 V/A, Zero Current = 0.001269 A 17:18:41 Coil Voltage Measurement meas_freq = 23.842800 Hz, meas_v_mag = 0.000393 V, meas_v_ph = 69.612000 deg freq = 23.842800 Hz, v_amp = 0.000556 V, v_ph = -20.388000 deg 17:18:41 Transverse Field Calculation freq = 23.842800 Hz, v_amp = 0.000556 V, v_ph = -20.388000 deg Coil Constant = 0.334200 (T/V0p) Transverse Field, Bt = 0.000186 T, THsp = 20.388000 deg 17:18:50 Move Stage, position = 0.100000 17:18:52 Stage Position Measurement, pos = 0.0994950 m 17:18:53 Magnet Current for Main, Imag = 321.2066 A Vtrans = 3.211951 V, Factor V/A = 0.010000 V/A, Zero Current = -0.011469 A 17:18:53 Magnet Current for Bucking, Imag = -0.0000 A Vtrans = 0.000101 V, Factor V/A = 0.080000 V/A, Zero Current = 0.001269 A 17:19:28 Coil Voltage Measurement meas_freq = 23.846600 Hz, meas_v_mag = 0.000155 V, meas_v_ph = 103.668000 deg freq = 23.846600 Hz, v_amp = 0.000219 V, v_ph = 13.668000 deg 17:19:28 Transverse Field Calculation freq = 23.846600 Hz, v_amp = 0.000219 V, v_ph = 13.668000 deg Coil Constant = 0.334200 (T/V0p) Transverse Field, Bt = 0.000073 T, THsp = -13.668000 deg 17:19:37 Move Stage, position = 0.125000 17:19:38 Stage Position Measurement, pos = 0.1245000 m 17:19:39 Magnet Current for Main, Imag = 321.2205 A Vtrans = 3.212090 V, Factor V/A = 0.010000 V/A, Zero Current = -0.011469 A 17:19:40 Magnet Current for Bucking, Imag = 0.0000 A Vtrans = 0.000102 V, Factor V/A = 0.080000 V/A, Zero Current = 0.001269 A 17:20:44 Coil Voltage Measurement meas_freq = 23.844700 Hz, meas_v_mag = 0.000098 V, meas_v_ph = -174.012000 deg freq = 23.844700 Hz, v_amp = 0.000139 V, v_ph = 95.988000 deg 17:20:44 Transverse Field Calculation freq = 23.844700 Hz, v_amp = 0.000139 V, v_ph = 95.988000 deg Coil Constant = 0.334200 (T/V0p) Transverse Field, Bt = 0.000046 T, THsp = -95.988000 deg 17:20:54 Move Stage, position = 0.150000 17:20:55 Stage Position Measurement, pos = 0.1496050 m 17:20:56 Magnet Current for Main, Imag = 321.2240 A Vtrans = 3.212125 V, Factor V/A = 0.010000 V/A, Zero Current = -0.011469 A 17:20:56 Magnet Current for Bucking, Imag = 0.0000 A Vtrans = 0.000102 V, Factor V/A = 0.080000 V/A, Zero Current = 0.001269 A 17:21:32 Coil Voltage Measurement meas_freq = 23.852300 Hz, meas_v_mag = 0.000148 V, meas_v_ph = -119.034000 deg freq = 23.852300 Hz, v_amp = 0.000209 V, v_ph = 150.966000 deg 17:21:32 Transverse Field Calculation freq = 23.852300 Hz, v_amp = 0.000209 V, v_ph = 150.966000 deg Coil Constant = 0.334200 (T/V0p) Transverse Field, Bt = 0.000070 T, THsp = -150.966000 deg 17:21:42 Move Stage, position = 0.175000 17:21:43 Stage Position Measurement, pos = 0.1746400 m 17:21:44 Magnet Current for Main, Imag = 321.2199 A Vtrans = 3.212085 V, Factor V/A = 0.010000 V/A, Zero Current = -0.011469 A 17:21:44 Magnet Current for Bucking, Imag = 0.0000 A Vtrans = 0.000103 V, Factor V/A = 0.080000 V/A, Zero Current = 0.001269 A 17:22:20 Coil Voltage Measurement meas_freq = 23.847600 Hz, meas_v_mag = 0.000249 V, meas_v_ph = -103.470000 deg freq = 23.847600 Hz, v_amp = 0.000353 V, v_ph = 166.530000 deg 17:22:20 Transverse Field Calculation freq = 23.847600 Hz, v_amp = 0.000353 V, v_ph = 166.530000 deg Coil Constant = 0.334200 (T/V0p) Transverse Field, Bt = 0.000118 T, THsp = -166.530000 deg 17:22:30 Move Stage, position = 0.200000 17:22:31 Stage Position Measurement, pos = 0.1996750 m 17:22:32 Magnet Current for Main, Imag = 321.2253 A Vtrans = 3.212138 V, Factor V/A = 0.010000 V/A, Zero Current = -0.011469 A 17:22:32 Magnet Current for Bucking, Imag = 0.0000 A Vtrans = 0.000102 V, Factor V/A = 0.080000 V/A, Zero Current = 0.001269 A 17:23:07 Coil Voltage Measurement meas_freq = 23.843800 Hz, meas_v_mag = 0.000354 V, meas_v_ph = -96.138000 deg freq = 23.843800 Hz, v_amp = 0.000501 V, v_ph = 173.862000 deg 17:23:07 Transverse Field Calculation freq = 23.843800 Hz, v_amp = 0.000501 V, v_ph = 173.862000 deg Coil Constant = 0.334200 (T/V0p) Transverse Field, Bt = 0.000167 T, THsp = -173.862000 deg 17:23:17 Move Stage, position = 0.225000 17:23:18 Stage Position Measurement, pos = 0.2247100 m 17:23:19 Magnet Current for Main, Imag = 321.2323 A Vtrans = 3.212209 V, Factor V/A = 0.010000 V/A, Zero Current = -0.011469 A 17:23:20 Magnet Current for Bucking, Imag = 0.0000 A Vtrans = 0.000102 V, Factor V/A = 0.080000 V/A, Zero Current = 0.001269 A 17:23:53 Coil Voltage Measurement meas_freq = 23.850400 Hz, meas_v_mag = 0.000439 V, meas_v_ph = -97.104000 deg freq = 23.850400 Hz, v_amp = 0.000622 V, v_ph = 172.896000 deg 17:23:53 Transverse Field Calculation freq = 23.850400 Hz, v_amp = 0.000622 V, v_ph = 172.896000 deg Coil Constant = 0.334200 (T/V0p) Transverse Field, Bt = 0.000208 T, THsp = -172.896000 deg 17:24:03 Move Stage, position = 0.250000 17:24:04 Stage Position Measurement, pos = 0.2497150 m 17:24:05 Magnet Current for Main, Imag = 321.2306 A Vtrans = 3.212192 V, Factor V/A = 0.010000 V/A, Zero Current = -0.011469 A 17:24:05 Magnet Current for Bucking, Imag = 0.0000 A Vtrans = 0.000102 V, Factor V/A = 0.080000 V/A, Zero Current = 0.001269 A 17:24:39 Coil Voltage Measurement meas_freq = 23.846600 Hz, meas_v_mag = 0.000489 V, meas_v_ph = -97.704000 deg freq = 23.846600 Hz, v_amp = 0.000692 V, v_ph = 172.296000 deg 17:24:39 Transverse Field Calculation freq = 23.846600 Hz, v_amp = 0.000692 V, v_ph = 172.296000 deg Coil Constant = 0.334200 (T/V0p) Transverse Field, Bt = 0.000231 T, THsp = -172.296000 deg 17:24:49 Move Stage, position = 0.275000 17:24:50 Stage Position Measurement, pos = 0.2747650 m 17:24:51 Magnet Current for Main, Imag = 321.2318 A Vtrans = 3.212204 V, Factor V/A = 0.010000 V/A, Zero Current = -0.011469 A 17:24:51 Magnet Current for Bucking, Imag = -0.0000 A Vtrans = 0.000101 V, Factor V/A = 0.080000 V/A, Zero Current = 0.001269 A 17:25:25 Coil Voltage Measurement meas_freq = 23.847600 Hz, meas_v_mag = 0.000500 V, meas_v_ph = -93.990000 deg freq = 23.847600 Hz, v_amp = 0.000708 V, v_ph = 176.010000 deg 17:25:25 Transverse Field Calculation freq = 23.847600 Hz, v_amp = 0.000708 V, v_ph = 176.010000 deg Coil Constant = 0.334200 (T/V0p) Transverse Field, Bt = 0.000236 T, THsp = -176.010000 deg 17:25:35 Move Stage, position = 0.300000 17:25:36 Stage Position Measurement, pos = 0.2997150 m 17:25:37 Magnet Current for Main, Imag = 321.1865 A Vtrans = 3.211750 V, Factor V/A = 0.010000 V/A, Zero Current = -0.011469 A 17:25:37 Magnet Current for Bucking, Imag = 0.0000 A Vtrans = 0.000103 V, Factor V/A = 0.080000 V/A, Zero Current = 0.001269 A 17:26:11 Coil Voltage Measurement meas_freq = 23.842800 Hz, meas_v_mag = 0.000487 V, meas_v_ph = -92.406000 deg freq = 23.842800 Hz, v_amp = 0.000689 V, v_ph = 177.594000 deg 17:26:11 Transverse Field Calculation freq = 23.842800 Hz, v_amp = 0.000689 V, v_ph = 177.594000 deg Coil Constant = 0.334200 (T/V0p) Transverse Field, Bt = 0.000230 T, THsp = -177.594000 deg 17:26:21 Move Stage, position = 0.325000 17:26:22 Stage Position Measurement, pos = 0.3247900 m 17:26:23 Magnet Current for Main, Imag = 321.2227 A Vtrans = 3.212112 V, Factor V/A = 0.010000 V/A, Zero Current = -0.011469 A 17:26:23 Magnet Current for Bucking, Imag = 0.0000 A Vtrans = 0.000102 V, Factor V/A = 0.080000 V/A, Zero Current = 0.001269 A 17:26:57 Coil Voltage Measurement meas_freq = 23.843800 Hz, meas_v_mag = 0.000450 V, meas_v_ph = -87.912000 deg freq = 23.843800 Hz, v_amp = 0.000636 V, v_ph = -177.912000 deg 17:26:57 Transverse Field Calculation freq = 23.843800 Hz, v_amp = 0.000636 V, v_ph = -177.912000 deg Coil Constant = 0.334200 (T/V0p) Transverse Field, Bt = 0.000213 T, THsp = 177.912000 deg 17:27:06 Move Stage, position = 0.350000 17:27:08 Stage Position Measurement, pos = 0.3498800 m 17:27:09 Magnet Current for Main, Imag = 321.2428 A Vtrans = 3.212313 V, Factor V/A = 0.010000 V/A, Zero Current = -0.011469 A 17:27:09 Magnet Current for Bucking, Imag = 0.0000 A Vtrans = 0.000102 V, Factor V/A = 0.080000 V/A, Zero Current = 0.001269 A 17:27:53 Coil Voltage Measurement meas_freq = 23.843800 Hz, meas_v_mag = 0.000412 V, meas_v_ph = -90.810000 deg freq = 23.843800 Hz, v_amp = 0.000582 V, v_ph = 179.190000 deg 17:27:53 Transverse Field Calculation freq = 23.843800 Hz, v_amp = 0.000582 V, v_ph = 179.190000 deg Coil Constant = 0.334200 (T/V0p) Transverse Field, Bt = 0.000195 T, THsp = -179.190000 deg 17:28:03 Move Stage, position = 0.375000 17:28:04 Stage Position Measurement, pos = 0.3749050 m 17:28:05 Magnet Current for Main, Imag = 321.2186 A Vtrans = 3.212072 V, Factor V/A = 0.010000 V/A, Zero Current = -0.011469 A 17:28:06 Magnet Current for Bucking, Imag = 0.0000 A Vtrans = 0.000102 V, Factor V/A = 0.080000 V/A, Zero Current = 0.001269 A 17:28:40 Coil Voltage Measurement meas_freq = 23.840900 Hz, meas_v_mag = 0.000374 V, meas_v_ph = -88.824000 deg freq = 23.840900 Hz, v_amp = 0.000529 V, v_ph = -178.824000 deg 17:28:40 Transverse Field Calculation freq = 23.840900 Hz, v_amp = 0.000529 V, v_ph = -178.824000 deg Coil Constant = 0.334200 (T/V0p) Transverse Field, Bt = 0.000177 T, THsp = 178.824000 deg 17:29:36 Move Stage, position = 0.000000 17:29:41 Magnet system Main current ramping to 0.0000 A... 17:31:10 Magnet system Bucking current ramping to 0.0000 A...