SLAC Magnetic Measurements Date: 05-10-2011 Time: 16:45:36 Project: LLNL Magnet Type: Solenoid Magnet Name: Gun_Magnet Serial Number: 102-2 Run Number: 11 Measurement Device: Coil ZZ Operator: sda Comment: Copper jumpers replace by cables. Transverse dipole fields vs z at magnetic center, magnet current = 200 A. Test Currents (A): 200.0 16:46:44 Btcoil, device being used, type = SR850 16:47:15 Stage Zeroed 16:47:15 MoveZ Devices: Move Device = SXDRIVE, Read Device = SXDRIVE 16:47:16 Initial Zero Current Measurement, Imag_zero = 0.0000 A 16:47:16 Magnet current ramping to 50.0000 A... 16:47:56 Magnet current ramping to 200.0000 A... 16:49:51 Move Stage, position = -0.150300 16:49:53 Stage Position Measurement, pos = -0.1505300 m 16:49:53 Magnet Current, Imag = 200.294100 A Vtrans = 2.002941 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000000 A 16:51:29 Coil Voltage Measurement meas_freq = 23.814200 Hz, meas_v_mag = 0.000070 V, meas_v_ph = -128.928000 deg freq = 23.814200 Hz, v_amp = 0.000099 V, v_ph = 141.072000 deg 16:51:29 Transverse Field Calculation freq = 23.814200 Hz, v_amp = 0.000099 V, v_ph = 141.072000 deg Coil Constant = 0.334200 (T/V0p) Transverse Field, Bt = 0.000033 T, THsp = -141.072000 deg 16:51:38 Move Stage, position = -0.125300 16:51:40 Stage Position Measurement, pos = -0.1261400 m 16:51:40 Magnet Current, Imag = 200.318530 A Vtrans = 2.003185 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000000 A 16:53:16 Coil Voltage Measurement meas_freq = 23.806600 Hz, meas_v_mag = 0.000056 V, meas_v_ph = -119.724000 deg freq = 23.806600 Hz, v_amp = 0.000080 V, v_ph = 150.276000 deg 16:53:16 Transverse Field Calculation freq = 23.806600 Hz, v_amp = 0.000080 V, v_ph = 150.276000 deg Coil Constant = 0.334200 (T/V0p) Transverse Field, Bt = 0.000027 T, THsp = -150.276000 deg 16:53:25 Move Stage, position = -0.100300 16:53:26 Stage Position Measurement, pos = -0.1010950 m 16:53:27 Magnet Current, Imag = 200.289920 A Vtrans = 2.002899 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000000 A 16:56:19 Coil Voltage Measurement meas_freq = 23.800800 Hz, meas_v_mag = 0.000041 V, meas_v_ph = -130.236000 deg freq = 23.800800 Hz, v_amp = 0.000058 V, v_ph = 139.764000 deg 16:56:19 Transverse Field Calculation freq = 23.800800 Hz, v_amp = 0.000058 V, v_ph = 139.764000 deg Coil Constant = 0.334200 (T/V0p) Transverse Field, Bt = 0.000019 T, THsp = -139.764000 deg 16:56:28 Move Stage, position = -0.075300 16:56:30 Stage Position Measurement, pos = -0.0760750 m 16:56:31 Magnet Current, Imag = 200.296980 A Vtrans = 2.002970 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000000 A 16:59:23 Coil Voltage Measurement meas_freq = 23.797000 Hz, meas_v_mag = 0.000045 V, meas_v_ph = -129.486000 deg freq = 23.797000 Hz, v_amp = 0.000064 V, v_ph = 140.514000 deg 16:59:23 Transverse Field Calculation freq = 23.797000 Hz, v_amp = 0.000064 V, v_ph = 140.514000 deg Coil Constant = 0.334200 (T/V0p) Transverse Field, Bt = 0.000021 T, THsp = -140.514000 deg 16:59:32 Move Stage, position = -0.050300 16:59:34 Stage Position Measurement, pos = -0.0510000 m 16:59:34 Magnet Current, Imag = 200.284570 A Vtrans = 2.002846 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000000 A 17:01:10 Coil Voltage Measurement meas_freq = 23.812300 Hz, meas_v_mag = 0.000076 V, meas_v_ph = -134.184000 deg freq = 23.812300 Hz, v_amp = 0.000108 V, v_ph = 135.816000 deg 17:01:10 Transverse Field Calculation freq = 23.812300 Hz, v_amp = 0.000108 V, v_ph = 135.816000 deg Coil Constant = 0.334200 (T/V0p) Transverse Field, Bt = 0.000036 T, THsp = -135.816000 deg 17:01:19 Move Stage, position = -0.025300 17:01:20 Stage Position Measurement, pos = -0.0259350 m 17:01:21 Magnet Current, Imag = 200.282210 A Vtrans = 2.002822 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000000 A 17:02:55 Coil Voltage Measurement meas_freq = 23.805600 Hz, meas_v_mag = 0.000287 V, meas_v_ph = -133.566000 deg freq = 23.805600 Hz, v_amp = 0.000405 V, v_ph = 136.434000 deg 17:02:55 Transverse Field Calculation freq = 23.805600 Hz, v_amp = 0.000405 V, v_ph = 136.434000 deg Coil Constant = 0.334200 (T/V0p) Transverse Field, Bt = 0.000135 T, THsp = -136.434000 deg 17:03:04 Move Stage, position = -0.000300 17:03:06 Stage Position Measurement, pos = -0.0009550 m 17:03:07 Magnet Current, Imag = 200.300110 A Vtrans = 2.003001 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000000 A 17:04:39 Coil Voltage Measurement meas_freq = 23.807500 Hz, meas_v_mag = 0.001255 V, meas_v_ph = -128.142000 deg freq = 23.807500 Hz, v_amp = 0.001775 V, v_ph = 141.858000 deg 17:04:39 Transverse Field Calculation freq = 23.807500 Hz, v_amp = 0.001775 V, v_ph = 141.858000 deg Coil Constant = 0.334200 (T/V0p) Transverse Field, Bt = 0.000593 T, THsp = -141.858000 deg 17:04:48 Move Stage, position = 0.024700 17:04:50 Stage Position Measurement, pos = 0.0241200 m 17:04:51 Magnet Current, Imag = 200.284170 A Vtrans = 2.002842 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000000 A 17:06:22 Coil Voltage Measurement meas_freq = 23.814200 Hz, meas_v_mag = 0.002525 V, meas_v_ph = -115.632000 deg freq = 23.814200 Hz, v_amp = 0.003571 V, v_ph = 154.368000 deg 17:06:22 Transverse Field Calculation freq = 23.814200 Hz, v_amp = 0.003571 V, v_ph = 154.368000 deg Coil Constant = 0.334200 (T/V0p) Transverse Field, Bt = 0.001193 T, THsp = -154.368000 deg 17:06:32 Move Stage, position = 0.049700 17:06:33 Stage Position Measurement, pos = 0.0490750 m 17:06:34 Magnet Current, Imag = 200.269280 A Vtrans = 2.002693 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000000 A 17:08:06 Coil Voltage Measurement meas_freq = 23.810400 Hz, meas_v_mag = 0.003024 V, meas_v_ph = -103.266000 deg freq = 23.810400 Hz, v_amp = 0.004277 V, v_ph = 166.734000 deg 17:08:06 Transverse Field Calculation freq = 23.810400 Hz, v_amp = 0.004277 V, v_ph = 166.734000 deg Coil Constant = 0.334200 (T/V0p) Transverse Field, Bt = 0.001429 T, THsp = -166.734000 deg 17:08:15 Move Stage, position = 0.074700 17:08:16 Stage Position Measurement, pos = 0.0741200 m 17:08:17 Magnet Current, Imag = 200.294100 A Vtrans = 2.002941 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000000 A 17:09:49 Coil Voltage Measurement meas_freq = 23.801800 Hz, meas_v_mag = 0.002901 V, meas_v_ph = -101.706000 deg freq = 23.801800 Hz, v_amp = 0.004102 V, v_ph = 168.294000 deg 17:09:49 Transverse Field Calculation freq = 23.801800 Hz, v_amp = 0.004102 V, v_ph = 168.294000 deg Coil Constant = 0.334200 (T/V0p) Transverse Field, Bt = 0.001371 T, THsp = -168.294000 deg 17:09:58 Move Stage, position = 0.099700 17:10:00 Stage Position Measurement, pos = 0.0991600 m 17:10:00 Magnet Current, Imag = 200.290970 A Vtrans = 2.002910 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000000 A 17:11:50 Coil Voltage Measurement meas_freq = 23.806600 Hz, meas_v_mag = 0.001259 V, meas_v_ph = -108.570000 deg freq = 23.806600 Hz, v_amp = 0.001781 V, v_ph = 161.430000 deg 17:11:50 Transverse Field Calculation freq = 23.806600 Hz, v_amp = 0.001781 V, v_ph = 161.430000 deg Coil Constant = 0.334200 (T/V0p) Transverse Field, Bt = 0.000595 T, THsp = -161.430000 deg 17:11:59 Move Stage, position = 0.124700 17:12:01 Stage Position Measurement, pos = 0.1242050 m 17:12:01 Magnet Current, Imag = 200.286000 A Vtrans = 2.002860 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000000 A 17:13:34 Coil Voltage Measurement meas_freq = 23.802800 Hz, meas_v_mag = 0.000415 V, meas_v_ph = 150.462000 deg freq = 23.802800 Hz, v_amp = 0.000587 V, v_ph = 60.462000 deg 17:13:34 Transverse Field Calculation freq = 23.802800 Hz, v_amp = 0.000587 V, v_ph = 60.462000 deg Coil Constant = 0.334200 (T/V0p) Transverse Field, Bt = 0.000196 T, THsp = -60.462000 deg 17:13:43 Move Stage, position = 0.149700 17:13:45 Stage Position Measurement, pos = 0.1492950 m 17:13:46 Magnet Current, Imag = 200.288490 A Vtrans = 2.002885 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000000 A 17:15:18 Coil Voltage Measurement meas_freq = 23.812300 Hz, meas_v_mag = 0.000472 V, meas_v_ph = 111.504000 deg freq = 23.812300 Hz, v_amp = 0.000667 V, v_ph = 21.504000 deg 17:15:18 Transverse Field Calculation freq = 23.812300 Hz, v_amp = 0.000667 V, v_ph = 21.504000 deg Coil Constant = 0.334200 (T/V0p) Transverse Field, Bt = 0.000223 T, THsp = -21.504000 deg 17:15:27 Move Stage, position = 0.174700 17:15:29 Stage Position Measurement, pos = 0.1743250 m 17:15:30 Magnet Current, Imag = 200.285480 A Vtrans = 2.002855 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000000 A 17:17:03 Coil Voltage Measurement meas_freq = 23.810400 Hz, meas_v_mag = 0.000406 V, meas_v_ph = 82.854000 deg freq = 23.810400 Hz, v_amp = 0.000574 V, v_ph = -7.146000 deg 17:17:03 Transverse Field Calculation freq = 23.810400 Hz, v_amp = 0.000574 V, v_ph = -7.146000 deg Coil Constant = 0.334200 (T/V0p) Transverse Field, Bt = 0.000192 T, THsp = 7.146000 deg 17:17:12 Move Stage, position = 0.199700 17:17:13 Stage Position Measurement, pos = 0.1993150 m 17:17:14 Magnet Current, Imag = 200.288750 A Vtrans = 2.002887 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000000 A 17:18:47 Coil Voltage Measurement meas_freq = 23.812300 Hz, meas_v_mag = 0.000417 V, meas_v_ph = 112.770000 deg freq = 23.812300 Hz, v_amp = 0.000590 V, v_ph = 22.770000 deg 17:18:47 Transverse Field Calculation freq = 23.812300 Hz, v_amp = 0.000590 V, v_ph = 22.770000 deg Coil Constant = 0.334200 (T/V0p) Transverse Field, Bt = 0.000197 T, THsp = -22.770000 deg 17:18:56 Move Stage, position = 0.224700 17:18:58 Stage Position Measurement, pos = 0.2243300 m 17:18:58 Magnet Current, Imag = 200.298280 A Vtrans = 2.002983 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000000 A 17:20:32 Coil Voltage Measurement meas_freq = 23.810400 Hz, meas_v_mag = 0.000725 V, meas_v_ph = 140.454000 deg freq = 23.810400 Hz, v_amp = 0.001026 V, v_ph = 50.454000 deg 17:20:32 Transverse Field Calculation freq = 23.810400 Hz, v_amp = 0.001026 V, v_ph = 50.454000 deg Coil Constant = 0.334200 (T/V0p) Transverse Field, Bt = 0.000343 T, THsp = -50.454000 deg 17:20:41 Move Stage, position = 0.249700 17:20:42 Stage Position Measurement, pos = 0.2493400 m 17:20:43 Magnet Current, Imag = 200.274770 A Vtrans = 2.002748 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000000 A 17:22:16 Coil Voltage Measurement meas_freq = 23.806600 Hz, meas_v_mag = 0.000499 V, meas_v_ph = 143.574000 deg freq = 23.806600 Hz, v_amp = 0.000706 V, v_ph = 53.574000 deg 17:22:16 Transverse Field Calculation freq = 23.806600 Hz, v_amp = 0.000706 V, v_ph = 53.574000 deg Coil Constant = 0.334200 (T/V0p) Transverse Field, Bt = 0.000236 T, THsp = -53.574000 deg 17:22:25 Move Stage, position = 0.274700 17:22:27 Stage Position Measurement, pos = 0.2744100 m 17:22:27 Magnet Current, Imag = 200.313960 A Vtrans = 2.003140 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000000 A 17:24:20 Coil Voltage Measurement meas_freq = 23.811300 Hz, meas_v_mag = 0.000097 V, meas_v_ph = 115.476000 deg freq = 23.811300 Hz, v_amp = 0.000138 V, v_ph = 25.476000 deg 17:24:20 Transverse Field Calculation freq = 23.811300 Hz, v_amp = 0.000138 V, v_ph = 25.476000 deg Coil Constant = 0.334200 (T/V0p) Transverse Field, Bt = 0.000046 T, THsp = -25.476000 deg 17:24:29 Move Stage, position = 0.299700 17:24:31 Stage Position Measurement, pos = 0.2994300 m 17:24:32 Magnet Current, Imag = 200.298150 A Vtrans = 2.002982 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000000 A 17:26:06 Coil Voltage Measurement meas_freq = 23.816100 Hz, meas_v_mag = 0.000039 V, meas_v_ph = 105.372000 deg freq = 23.816100 Hz, v_amp = 0.000056 V, v_ph = 15.372000 deg 17:26:06 Transverse Field Calculation freq = 23.816100 Hz, v_amp = 0.000056 V, v_ph = 15.372000 deg Coil Constant = 0.334200 (T/V0p) Transverse Field, Bt = 0.000019 T, THsp = -15.372000 deg 17:26:16 Move Stage, position = 0.324700 17:26:17 Stage Position Measurement, pos = 0.3244950 m 17:26:18 Magnet Current, Imag = 200.290050 A Vtrans = 2.002900 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000000 A 17:27:54 Coil Voltage Measurement meas_freq = 23.812300 Hz, meas_v_mag = 0.000026 V, meas_v_ph = 48.288000 deg freq = 23.812300 Hz, v_amp = 0.000036 V, v_ph = -41.712000 deg 17:27:54 Transverse Field Calculation freq = 23.812300 Hz, v_amp = 0.000036 V, v_ph = -41.712000 deg Coil Constant = 0.334200 (T/V0p) Transverse Field, Bt = 0.000012 T, THsp = 41.712000 deg 17:28:03 Move Stage, position = 0.349700 17:28:05 Stage Position Measurement, pos = 0.3495100 m 17:28:06 Magnet Current, Imag = 200.286260 A Vtrans = 2.002863 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000000 A 17:29:42 Coil Voltage Measurement meas_freq = 23.814200 Hz, meas_v_mag = 0.000029 V, meas_v_ph = -31.470000 deg freq = 23.814200 Hz, v_amp = 0.000041 V, v_ph = -121.470000 deg 17:29:42 Transverse Field Calculation freq = 23.814200 Hz, v_amp = 0.000041 V, v_ph = -121.470000 deg Coil Constant = 0.334200 (T/V0p) Transverse Field, Bt = 0.000014 T, THsp = 121.470000 deg 17:29:51 Move Stage, position = 0.374700 17:29:52 Stage Position Measurement, pos = 0.3744900 m 17:29:53 Magnet Current, Imag = 200.317230 A Vtrans = 2.003172 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000000 A 17:32:45 Coil Voltage Measurement meas_freq = 23.813200 Hz, meas_v_mag = 0.000045 V, meas_v_ph = -99.084000 deg freq = 23.813200 Hz, v_amp = 0.000063 V, v_ph = 170.916000 deg 17:32:45 Transverse Field Calculation freq = 23.813200 Hz, v_amp = 0.000063 V, v_ph = 170.916000 deg Coil Constant = 0.334200 (T/V0p) Transverse Field, Bt = 0.000021 T, THsp = -170.916000 deg 17:32:54 Move Stage, position = 0.399700 17:32:56 Stage Position Measurement, pos = 0.3995200 m 17:32:57 Magnet Current, Imag = 200.302860 A Vtrans = 2.003029 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000000 A 17:34:32 Coil Voltage Measurement meas_freq = 23.813200 Hz, meas_v_mag = 0.000063 V, meas_v_ph = -116.148000 deg freq = 23.813200 Hz, v_amp = 0.000089 V, v_ph = 153.852000 deg 17:34:32 Transverse Field Calculation freq = 23.813200 Hz, v_amp = 0.000089 V, v_ph = 153.852000 deg Coil Constant = 0.334200 (T/V0p) Transverse Field, Bt = 0.000030 T, THsp = -153.852000 deg 17:35:31 Move Stage, position = 0.000000 17:35:32 Magnet current ramping to 0.0000 A...