SLAC Magnetic Measurements Date: 04-05-2011 Time: 14:24:49 Project: Klystron Magnet Type: Solenoid Magnet Name: XL4_SN125 Serial Number: 15803 Run Number: 7 Measurement Device: Coil_ZZ Operator: sda Comment: Transverse dipole fields vs z , Imain = 300 A, Ibuck = 11.0 A -.15m to +0.375 m in 0.025 (length of coil) m steps 14:25:10 Btcoil, device being used, type = SR850 14:25:22 Stage Zeroed 14:25:22 MoveZ Devices: Move Device = SXDRIVE, Read Device = SXDRIVE 14:25:53 Magnet Current for Main , Imag = -0.0103 A Vtrans = -0.000103 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000000 A 14:25:53 Magnet Current for Main , Imag = -0.0103 A Vtrans = -0.000103 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000000 A 14:25:54 Magnet Current for Main , Imag = -0.0104 A Vtrans = -0.000104 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000000 A 14:25:55 Magnet Current for Main , Imag = -0.0103 A Vtrans = -0.000103 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000000 A 14:25:55 Magnet Avgerage Current Measurement for Main : Imag = -0.0103 +- 0.0000 A 14:26:34 Initial Zero Current Measurement for Main , Imag_zero = -0.0103282 A 14:26:34 Magnet system Main current ramping to 50.0000 A... 14:27:14 Magnet Current for Bucking, Imag = 0.0013 A Vtrans = 0.000103 V, Factor V/A = 0.080000 V/A, Zero Current = 0.000000 A 14:27:14 Magnet Current for Bucking, Imag = 0.0013 A Vtrans = 0.000103 V, Factor V/A = 0.080000 V/A, Zero Current = 0.000000 A 14:27:15 Magnet Current for Bucking, Imag = 0.0013 A Vtrans = 0.000102 V, Factor V/A = 0.080000 V/A, Zero Current = 0.000000 A 14:27:15 Magnet Current for Bucking, Imag = 0.0013 A Vtrans = 0.000103 V, Factor V/A = 0.080000 V/A, Zero Current = 0.000000 A 14:27:15 Magnet Avgerage Current Measurement for Bucking : Imag = 0.0013 +- 0.0000 A 14:27:26 Initial Zero Current Measurement for Bucking, Imag_zero = 0.00128282 A Test Currents for Main (A): 300.00 Test Currents for Bucking (A): 11.00 14:27:26 Magnet system Main current ramping to 300.0000 A... 14:28:21 Magnet system Bucking current ramping to 11.0000 A... 14:29:24 Move Stage, position = -0.150000 14:29:25 Stage Position Measurement, pos = -0.1501750 m 14:29:26 Magnet Current for Main , Imag = 300.2941 A Vtrans = 3.002837 V, Factor V/A = 0.010000 V/A, Zero Current = -0.010328 A 14:29:27 Magnet Current for Bucking, Imag = 11.0048 A Vtrans = 0.880488 V, Factor V/A = 0.080000 V/A, Zero Current = 0.001283 A 14:30:08 Coil Voltage Measurement meas_freq = 23.843800 Hz, meas_v_mag = 0.000035 V, meas_v_ph = -100.914000 deg freq = 23.843800 Hz, v_amp = 0.000049 V, v_ph = 169.086000 deg 14:30:08 Transverse Field Calculation freq = 23.843800 Hz, v_amp = 0.000049 V, v_ph = 169.086000 deg Coil Constant = 0.334200 (T/V0p) Transverse Field, Bt = 0.000016 T, THsp = -169.086000 deg 14:30:18 Move Stage, position = -0.124700 14:30:19 Stage Position Measurement, pos = -0.1254800 m 14:30:20 Magnet Current for Main , Imag = 300.3113 A Vtrans = 3.003010 V, Factor V/A = 0.010000 V/A, Zero Current = -0.010328 A 14:30:21 Magnet Current for Bucking, Imag = 11.0031 A Vtrans = 0.880349 V, Factor V/A = 0.080000 V/A, Zero Current = 0.001283 A 14:30:57 Coil Voltage Measurement meas_freq = 23.845700 Hz, meas_v_mag = 0.000053 V, meas_v_ph = -117.942000 deg freq = 23.845700 Hz, v_amp = 0.000074 V, v_ph = 152.058000 deg 14:30:57 Transverse Field Calculation freq = 23.845700 Hz, v_amp = 0.000074 V, v_ph = 152.058000 deg Coil Constant = 0.334200 (T/V0p) Transverse Field, Bt = 0.000025 T, THsp = -152.058000 deg 14:31:06 Move Stage, position = -0.100000 14:31:08 Stage Position Measurement, pos = -0.1007100 m 14:31:08 Magnet Current for Main , Imag = 300.3255 A Vtrans = 3.003152 V, Factor V/A = 0.010000 V/A, Zero Current = -0.010328 A 14:31:09 Magnet Current for Bucking, Imag = 11.0024 A Vtrans = 0.880295 V, Factor V/A = 0.080000 V/A, Zero Current = 0.001283 A 14:31:44 Coil Voltage Measurement meas_freq = 23.842800 Hz, meas_v_mag = 0.000082 V, meas_v_ph = -135.504000 deg freq = 23.842800 Hz, v_amp = 0.000115 V, v_ph = 134.496000 deg 14:31:44 Transverse Field Calculation freq = 23.842800 Hz, v_amp = 0.000115 V, v_ph = 134.496000 deg Coil Constant = 0.334200 (T/V0p) Transverse Field, Bt = 0.000039 T, THsp = -134.496000 deg 14:31:54 Move Stage, position = -0.075000 14:31:55 Stage Position Measurement, pos = -0.0757450 m 14:31:56 Magnet Current for Main , Imag = 300.3190 A Vtrans = 3.003087 V, Factor V/A = 0.010000 V/A, Zero Current = -0.010328 A 14:31:56 Magnet Current for Bucking, Imag = 11.0019 A Vtrans = 0.880254 V, Factor V/A = 0.080000 V/A, Zero Current = 0.001283 A 14:32:33 Coil Voltage Measurement meas_freq = 23.843800 Hz, meas_v_mag = 0.000122 V, meas_v_ph = -139.440000 deg freq = 23.843800 Hz, v_amp = 0.000173 V, v_ph = 130.560000 deg 14:32:33 Transverse Field Calculation freq = 23.843800 Hz, v_amp = 0.000173 V, v_ph = 130.560000 deg Coil Constant = 0.334200 (T/V0p) Transverse Field, Bt = 0.000058 T, THsp = -130.560000 deg 14:32:42 Move Stage, position = -0.050000 14:32:43 Stage Position Measurement, pos = -0.0507200 m 14:32:44 Magnet Current for Main , Imag = 300.3110 A Vtrans = 3.003007 V, Factor V/A = 0.010000 V/A, Zero Current = -0.010328 A 14:32:45 Magnet Current for Bucking, Imag = 11.0023 A Vtrans = 0.880287 V, Factor V/A = 0.080000 V/A, Zero Current = 0.001283 A 14:33:19 Coil Voltage Measurement meas_freq = 23.842800 Hz, meas_v_mag = 0.000198 V, meas_v_ph = -146.730000 deg freq = 23.842800 Hz, v_amp = 0.000280 V, v_ph = 123.270000 deg 14:33:19 Transverse Field Calculation freq = 23.842800 Hz, v_amp = 0.000280 V, v_ph = 123.270000 deg Coil Constant = 0.334200 (T/V0p) Transverse Field, Bt = 0.000093 T, THsp = -123.270000 deg 14:33:29 Move Stage, position = -0.025000 14:33:30 Stage Position Measurement, pos = -0.0256800 m 14:33:31 Magnet Current for Main , Imag = 300.3001 A Vtrans = 3.002897 V, Factor V/A = 0.010000 V/A, Zero Current = -0.010328 A 14:33:32 Magnet Current for Bucking, Imag = 11.0026 A Vtrans = 0.880307 V, Factor V/A = 0.080000 V/A, Zero Current = 0.001283 A 14:34:06 Coil Voltage Measurement meas_freq = 23.846600 Hz, meas_v_mag = 0.000158 V, meas_v_ph = -125.088000 deg freq = 23.846600 Hz, v_amp = 0.000224 V, v_ph = 144.912000 deg 14:34:06 Transverse Field Calculation freq = 23.846600 Hz, v_amp = 0.000224 V, v_ph = 144.912000 deg Coil Constant = 0.334200 (T/V0p) Transverse Field, Bt = 0.000075 T, THsp = -144.912000 deg 14:34:16 Move Stage, position = 0.000000 14:34:17 Stage Position Measurement, pos = -0.0006650 m 14:34:18 Magnet Current for Main , Imag = 300.3016 A Vtrans = 3.002913 V, Factor V/A = 0.010000 V/A, Zero Current = -0.010328 A 14:34:19 Magnet Current for Bucking, Imag = 11.0025 A Vtrans = 0.880303 V, Factor V/A = 0.080000 V/A, Zero Current = 0.001283 A 14:34:54 Coil Voltage Measurement meas_freq = 23.846600 Hz, meas_v_mag = 0.000231 V, meas_v_ph = 0.804000 deg freq = 23.846600 Hz, v_amp = 0.000326 V, v_ph = -89.196000 deg 14:34:54 Transverse Field Calculation freq = 23.846600 Hz, v_amp = 0.000326 V, v_ph = -89.196000 deg Coil Constant = 0.334200 (T/V0p) Transverse Field, Bt = 0.000109 T, THsp = 89.196000 deg 14:35:03 Move Stage, position = 0.025000 14:35:05 Stage Position Measurement, pos = 0.0244600 m 14:35:05 Magnet Current for Main , Imag = 300.3057 A Vtrans = 3.002954 V, Factor V/A = 0.010000 V/A, Zero Current = -0.010328 A 14:35:06 Magnet Current for Bucking, Imag = 11.0026 A Vtrans = 0.880312 V, Factor V/A = 0.080000 V/A, Zero Current = 0.001283 A 14:35:40 Coil Voltage Measurement meas_freq = 23.841900 Hz, meas_v_mag = 0.000661 V, meas_v_ph = 5.754000 deg freq = 23.841900 Hz, v_amp = 0.000934 V, v_ph = -84.246000 deg 14:35:40 Transverse Field Calculation freq = 23.841900 Hz, v_amp = 0.000934 V, v_ph = -84.246000 deg Coil Constant = 0.334200 (T/V0p) Transverse Field, Bt = 0.000312 T, THsp = 84.246000 deg 14:35:50 Move Stage, position = 0.050000 14:35:51 Stage Position Measurement, pos = 0.0494650 m 14:35:52 Magnet Current for Main , Imag = 300.3122 A Vtrans = 3.003019 V, Factor V/A = 0.010000 V/A, Zero Current = -0.010328 A 14:35:53 Magnet Current for Bucking, Imag = 11.0026 A Vtrans = 0.880307 V, Factor V/A = 0.080000 V/A, Zero Current = 0.001283 A 14:36:27 Coil Voltage Measurement meas_freq = 23.840000 Hz, meas_v_mag = 0.000576 V, meas_v_ph = 15.738000 deg freq = 23.840000 Hz, v_amp = 0.000814 V, v_ph = -74.262000 deg 14:36:27 Transverse Field Calculation freq = 23.840000 Hz, v_amp = 0.000814 V, v_ph = -74.262000 deg Coil Constant = 0.334200 (T/V0p) Transverse Field, Bt = 0.000272 T, THsp = 74.262000 deg 14:36:36 Move Stage, position = 0.075000 14:36:38 Stage Position Measurement, pos = 0.0745200 m 14:36:38 Magnet Current for Main , Imag = 300.3027 A Vtrans = 3.002924 V, Factor V/A = 0.010000 V/A, Zero Current = -0.010328 A 14:36:39 Magnet Current for Bucking, Imag = 11.0025 A Vtrans = 0.880300 V, Factor V/A = 0.080000 V/A, Zero Current = 0.001283 A 14:37:13 Coil Voltage Measurement meas_freq = 23.848500 Hz, meas_v_mag = 0.000448 V, meas_v_ph = 28.002000 deg freq = 23.848500 Hz, v_amp = 0.000633 V, v_ph = -61.998000 deg 14:37:13 Transverse Field Calculation freq = 23.848500 Hz, v_amp = 0.000633 V, v_ph = -61.998000 deg Coil Constant = 0.334200 (T/V0p) Transverse Field, Bt = 0.000212 T, THsp = 61.998000 deg 14:37:22 Move Stage, position = 0.100000 14:37:24 Stage Position Measurement, pos = 0.0995200 m 14:37:24 Magnet Current for Main , Imag = 300.3048 A Vtrans = 3.002944 V, Factor V/A = 0.010000 V/A, Zero Current = -0.010328 A 14:37:25 Magnet Current for Bucking, Imag = 11.0026 A Vtrans = 0.880308 V, Factor V/A = 0.080000 V/A, Zero Current = 0.001283 A 14:38:00 Coil Voltage Measurement meas_freq = 23.848500 Hz, meas_v_mag = 0.000333 V, meas_v_ph = 33.420000 deg freq = 23.848500 Hz, v_amp = 0.000471 V, v_ph = -56.580000 deg 14:38:00 Transverse Field Calculation freq = 23.848500 Hz, v_amp = 0.000471 V, v_ph = -56.580000 deg Coil Constant = 0.334200 (T/V0p) Transverse Field, Bt = 0.000158 T, THsp = 56.580000 deg 14:38:09 Move Stage, position = 0.125000 14:38:11 Stage Position Measurement, pos = 0.1245100 m 14:38:12 Magnet Current for Main , Imag = 300.2991 A Vtrans = 3.002888 V, Factor V/A = 0.010000 V/A, Zero Current = -0.010328 A 14:38:12 Magnet Current for Bucking, Imag = 11.0029 A Vtrans = 0.880337 V, Factor V/A = 0.080000 V/A, Zero Current = 0.001283 A 14:38:48 Coil Voltage Measurement meas_freq = 23.845700 Hz, meas_v_mag = 0.000218 V, meas_v_ph = 30.636000 deg freq = 23.845700 Hz, v_amp = 0.000309 V, v_ph = -59.364000 deg 14:38:48 Transverse Field Calculation freq = 23.845700 Hz, v_amp = 0.000309 V, v_ph = -59.364000 deg Coil Constant = 0.334200 (T/V0p) Transverse Field, Bt = 0.000103 T, THsp = 59.364000 deg 14:38:57 Move Stage, position = 0.150000 14:38:59 Stage Position Measurement, pos = 0.1495550 m 14:38:59 Magnet Current for Main , Imag = 300.3062 A Vtrans = 3.002959 V, Factor V/A = 0.010000 V/A, Zero Current = -0.010328 A 14:39:00 Magnet Current for Bucking, Imag = 11.0030 A Vtrans = 0.880339 V, Factor V/A = 0.080000 V/A, Zero Current = 0.001283 A 14:39:36 Coil Voltage Measurement meas_freq = 23.845700 Hz, meas_v_mag = 0.000133 V, meas_v_ph = 25.464000 deg freq = 23.845700 Hz, v_amp = 0.000188 V, v_ph = -64.536000 deg 14:39:36 Transverse Field Calculation freq = 23.845700 Hz, v_amp = 0.000188 V, v_ph = -64.536000 deg Coil Constant = 0.334200 (T/V0p) Transverse Field, Bt = 0.000063 T, THsp = 64.536000 deg 14:39:45 Move Stage, position = 0.175000 14:39:47 Stage Position Measurement, pos = 0.1745650 m 14:39:47 Magnet Current for Main , Imag = 300.3105 A Vtrans = 3.003002 V, Factor V/A = 0.010000 V/A, Zero Current = -0.010328 A 14:39:48 Magnet Current for Bucking, Imag = 11.0028 A Vtrans = 0.880327 V, Factor V/A = 0.080000 V/A, Zero Current = 0.001283 A 14:44:22 Coil Voltage Measurement meas_freq = 23.845700 Hz, meas_v_mag = 0.000076 V, meas_v_ph = 22.848000 deg freq = 23.845700 Hz, v_amp = 0.000107 V, v_ph = -67.152000 deg 14:44:22 Transverse Field Calculation freq = 23.845700 Hz, v_amp = 0.000107 V, v_ph = -67.152000 deg Coil Constant = 0.334200 (T/V0p) Transverse Field, Bt = 0.000036 T, THsp = 67.152000 deg 14:44:32 Move Stage, position = 0.200000 14:44:33 Stage Position Measurement, pos = 0.1996550 m 14:44:34 Magnet Current for Main , Imag = 300.3153 A Vtrans = 3.003050 V, Factor V/A = 0.010000 V/A, Zero Current = -0.010328 A 14:44:35 Magnet Current for Bucking, Imag = 11.0023 A Vtrans = 0.880285 V, Factor V/A = 0.080000 V/A, Zero Current = 0.001283 A 14:45:41 Coil Voltage Measurement meas_freq = 23.842800 Hz, meas_v_mag = 0.000022 V, meas_v_ph = 40.116000 deg freq = 23.842800 Hz, v_amp = 0.000031 V, v_ph = -49.884000 deg 14:45:41 Transverse Field Calculation freq = 23.842800 Hz, v_amp = 0.000031 V, v_ph = -49.884000 deg Coil Constant = 0.334200 (T/V0p) Transverse Field, Bt = 0.000010 T, THsp = 49.884000 deg 14:45:50 Move Stage, position = 0.225000 14:45:52 Stage Position Measurement, pos = 0.2247300 m 14:45:52 Magnet Current for Main , Imag = 300.3018 A Vtrans = 3.002914 V, Factor V/A = 0.010000 V/A, Zero Current = -0.010328 A 14:45:53 Magnet Current for Bucking, Imag = 11.0033 A Vtrans = 0.880363 V, Factor V/A = 0.080000 V/A, Zero Current = 0.001283 A 14:46:29 Coil Voltage Measurement meas_freq = 23.849500 Hz, meas_v_mag = 0.000039 V, meas_v_ph = -131.526000 deg freq = 23.849500 Hz, v_amp = 0.000055 V, v_ph = 138.474000 deg 14:46:29 Transverse Field Calculation freq = 23.849500 Hz, v_amp = 0.000055 V, v_ph = 138.474000 deg Coil Constant = 0.334200 (T/V0p) Transverse Field, Bt = 0.000018 T, THsp = -138.474000 deg 14:46:38 Move Stage, position = 0.250000 14:46:40 Stage Position Measurement, pos = 0.2497500 m 14:46:41 Magnet Current for Main , Imag = 300.3024 A Vtrans = 3.002921 V, Factor V/A = 0.010000 V/A, Zero Current = -0.010328 A 14:46:41 Magnet Current for Bucking, Imag = 11.0028 A Vtrans = 0.880327 V, Factor V/A = 0.080000 V/A, Zero Current = 0.001283 A 14:47:17 Coil Voltage Measurement meas_freq = 23.842800 Hz, meas_v_mag = 0.000122 V, meas_v_ph = -116.022000 deg freq = 23.842800 Hz, v_amp = 0.000173 V, v_ph = 153.978000 deg 14:47:17 Transverse Field Calculation freq = 23.842800 Hz, v_amp = 0.000173 V, v_ph = 153.978000 deg Coil Constant = 0.334200 (T/V0p) Transverse Field, Bt = 0.000058 T, THsp = -153.978000 deg 14:47:26 Move Stage, position = 0.275000 14:47:28 Stage Position Measurement, pos = 0.2748050 m 14:47:28 Magnet Current for Main , Imag = 300.3190 A Vtrans = 3.003087 V, Factor V/A = 0.010000 V/A, Zero Current = -0.010328 A 14:47:29 Magnet Current for Bucking, Imag = 11.0029 A Vtrans = 0.880337 V, Factor V/A = 0.080000 V/A, Zero Current = 0.001283 A 14:48:04 Coil Voltage Measurement meas_freq = 23.841900 Hz, meas_v_mag = 0.000231 V, meas_v_ph = -104.400000 deg freq = 23.841900 Hz, v_amp = 0.000327 V, v_ph = 165.600000 deg 14:48:04 Transverse Field Calculation freq = 23.841900 Hz, v_amp = 0.000327 V, v_ph = 165.600000 deg Coil Constant = 0.334200 (T/V0p) Transverse Field, Bt = 0.000109 T, THsp = -165.600000 deg 14:48:13 Move Stage, position = 0.300000 14:48:15 Stage Position Measurement, pos = 0.2997550 m 14:48:15 Magnet Current for Main , Imag = 300.2951 A Vtrans = 3.002848 V, Factor V/A = 0.010000 V/A, Zero Current = -0.010328 A 14:48:16 Magnet Current for Bucking, Imag = 11.0023 A Vtrans = 0.880287 V, Factor V/A = 0.080000 V/A, Zero Current = 0.001283 A 14:48:51 Coil Voltage Measurement meas_freq = 23.844700 Hz, meas_v_mag = 0.000320 V, meas_v_ph = -92.232000 deg freq = 23.844700 Hz, v_amp = 0.000453 V, v_ph = 177.768000 deg 14:48:51 Transverse Field Calculation freq = 23.844700 Hz, v_amp = 0.000453 V, v_ph = 177.768000 deg Coil Constant = 0.334200 (T/V0p) Transverse Field, Bt = 0.000151 T, THsp = -177.768000 deg 14:49:00 Move Stage, position = 0.325000 14:49:02 Stage Position Measurement, pos = 0.3247450 m 14:49:02 Magnet Current for Main , Imag = 300.3276 A Vtrans = 3.003173 V, Factor V/A = 0.010000 V/A, Zero Current = -0.010328 A 14:49:03 Magnet Current for Bucking, Imag = 11.0026 A Vtrans = 0.880314 V, Factor V/A = 0.080000 V/A, Zero Current = 0.001283 A 14:49:38 Coil Voltage Measurement meas_freq = 23.840000 Hz, meas_v_mag = 0.000357 V, meas_v_ph = -75.000000 deg freq = 23.840000 Hz, v_amp = 0.000505 V, v_ph = -165.000000 deg 14:49:38 Transverse Field Calculation freq = 23.840000 Hz, v_amp = 0.000505 V, v_ph = -165.000000 deg Coil Constant = 0.334200 (T/V0p) Transverse Field, Bt = 0.000169 T, THsp = 165.000000 deg 14:49:47 Move Stage, position = 0.350000 14:49:49 Stage Position Measurement, pos = 0.3497950 m 14:49:50 Magnet Current for Main , Imag = 300.3259 A Vtrans = 3.003156 V, Factor V/A = 0.010000 V/A, Zero Current = -0.010328 A 14:49:50 Magnet Current for Bucking, Imag = 11.0021 A Vtrans = 0.880274 V, Factor V/A = 0.080000 V/A, Zero Current = 0.001283 A 14:50:54 Coil Voltage Measurement meas_freq = 23.845700 Hz, meas_v_mag = 0.000444 V, meas_v_ph = -50.004000 deg freq = 23.845700 Hz, v_amp = 0.000628 V, v_ph = -140.004000 deg 14:50:54 Transverse Field Calculation freq = 23.845700 Hz, v_amp = 0.000628 V, v_ph = -140.004000 deg Coil Constant = 0.334200 (T/V0p) Transverse Field, Bt = 0.000210 T, THsp = 140.004000 deg 14:51:03 Move Stage, position = 0.375000 14:51:05 Stage Position Measurement, pos = 0.3748900 m 14:51:05 Magnet Current for Main , Imag = 300.3041 A Vtrans = 3.002938 V, Factor V/A = 0.010000 V/A, Zero Current = -0.010328 A 14:51:06 Magnet Current for Bucking, Imag = 11.0025 A Vtrans = 0.880301 V, Factor V/A = 0.080000 V/A, Zero Current = 0.001283 A 14:51:40 Coil Voltage Measurement meas_freq = 23.840000 Hz, meas_v_mag = 0.000684 V, meas_v_ph = -23.742000 deg freq = 23.840000 Hz, v_amp = 0.000967 V, v_ph = -113.742000 deg 14:51:40 Transverse Field Calculation freq = 23.840000 Hz, v_amp = 0.000967 V, v_ph = -113.742000 deg Coil Constant = 0.334200 (T/V0p) Transverse Field, Bt = 0.000323 T, THsp = 113.742000 deg 14:52:36 Move Stage, position = 0.000000 14:52:37 Magnet system Main current ramping to 0.0000 A... 14:54:01 Magnet system Bucking current ramping to 0.0000 A...