SLAC Magnetic Measurements Date: 02-03-2010 Time: 10:49:24 Project: Klystron Magnet Type: Solenoid Magnet Name: XL4_SN120 Serial Number: Run Number: 9 Measurement Device: Coil ZZ Operator: sda Comment: Test Currents (A): 375.0 10:50:31 Btcoil, device being used, type = SR850 10:50:45 Stage Zeroed 10:50:45 MoveZ Devices: Move Device = SXDRIVE, Read Device = SXDRIVE 10:50:48 Magnet Current, Imag = -0.009994 A Vtrans = -0.000100 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000000 A 10:50:49 Magnet Current, Imag = -0.010025 A Vtrans = -0.000100 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000000 A 10:50:50 Magnet Current, Imag = -0.010052 A Vtrans = -0.000101 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000000 A 10:50:50 Magnet Current, Imag = -0.010039 A Vtrans = -0.000100 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000000 A 10:50:50 Magnet Current Measurement: Imag = -0.0100 +- 0.0000 A 10:51:06 Initial Zero Current Measurement, Imag_zero = -0.0100 A 10:51:06 Magnet current ramping to 375.0000 A... 10:52:39 Move Stage, position = 0.175300 10:52:41 Stage Position Measurement, pos = 0.1749600 m 10:52:42 Magnet Current, Imag = 375.008508 A Vtrans = 3.749985 V, Factor V/A = 0.010000 V/A, Zero Current = -0.010028 A 10:55:57 Coil Voltage Measurement meas_freq = 23.827600 Hz, meas_v_mag = 0.000164 V, meas_v_ph = 46.674000 deg freq = 23.827600 Hz, v_amp = 0.000232 V, v_ph = -43.326000 deg 10:55:57 Transverse Field Calculation freq = 23.827600 Hz, v_amp = 0.000232 V, v_ph = -43.326000 deg Coil Constant = 0.334200 (T/V0p) Transverse Field, Bt = 0.000078 T, THsp = 43.326000 deg 10:56:06 Move Stage, position = 0.200300 10:56:08 Stage Position Measurement, pos = 0.1999250 m 10:56:09 Magnet Current, Imag = 375.044688 A Vtrans = 3.750347 V, Factor V/A = 0.010000 V/A, Zero Current = -0.010028 A 10:57:42 Coil Voltage Measurement meas_freq = 23.832300 Hz, meas_v_mag = 0.000090 V, meas_v_ph = -16.260000 deg freq = 23.832300 Hz, v_amp = 0.000127 V, v_ph = -106.260000 deg 10:57:42 Transverse Field Calculation freq = 23.832300 Hz, v_amp = 0.000127 V, v_ph = -106.260000 deg Coil Constant = 0.334200 (T/V0p) Transverse Field, Bt = 0.000042 T, THsp = 106.260000 deg 10:57:52 Move Stage, position = 0.225300 10:57:53 Stage Position Measurement, pos = 0.2249850 m 10:57:54 Magnet Current, Imag = 375.060758 A Vtrans = 3.750507 V, Factor V/A = 0.010000 V/A, Zero Current = -0.010028 A 10:59:27 Coil Voltage Measurement meas_freq = 23.824700 Hz, meas_v_mag = 0.000216 V, meas_v_ph = -115.962000 deg freq = 23.824700 Hz, v_amp = 0.000305 V, v_ph = 154.038000 deg 10:59:27 Transverse Field Calculation freq = 23.824700 Hz, v_amp = 0.000305 V, v_ph = 154.038000 deg Coil Constant = 0.334200 (T/V0p) Transverse Field, Bt = 0.000102 T, THsp = -154.038000 deg 10:59:36 Move Stage, position = 0.250300 10:59:38 Stage Position Measurement, pos = 0.2499850 m 10:59:39 Magnet Current, Imag = 375.055408 A Vtrans = 3.750454 V, Factor V/A = 0.010000 V/A, Zero Current = -0.010028 A 11:01:12 Coil Voltage Measurement meas_freq = 23.826600 Hz, meas_v_mag = 0.000396 V, meas_v_ph = -102.096000 deg freq = 23.826600 Hz, v_amp = 0.000559 V, v_ph = 167.904000 deg 11:01:12 Transverse Field Calculation freq = 23.826600 Hz, v_amp = 0.000559 V, v_ph = 167.904000 deg Coil Constant = 0.334200 (T/V0p) Transverse Field, Bt = 0.000187 T, THsp = -167.904000 deg 11:01:21 Move Stage, position = 0.275300 11:01:22 Stage Position Measurement, pos = 0.2750050 m 11:01:23 Magnet Current, Imag = 375.059188 A Vtrans = 3.750492 V, Factor V/A = 0.010000 V/A, Zero Current = -0.010028 A 11:04:15 Coil Voltage Measurement meas_freq = 23.826600 Hz, meas_v_mag = 0.000403 V, meas_v_ph = -95.760000 deg freq = 23.826600 Hz, v_amp = 0.000570 V, v_ph = 174.240000 deg 11:04:15 Transverse Field Calculation freq = 23.826600 Hz, v_amp = 0.000570 V, v_ph = 174.240000 deg Coil Constant = 0.334200 (T/V0p) Transverse Field, Bt = 0.000190 T, THsp = -174.240000 deg 11:04:24 Move Stage, position = 0.300300 11:04:26 Stage Position Measurement, pos = 0.3001050 m 11:04:26 Magnet Current, Imag = 375.066248 A Vtrans = 3.750562 V, Factor V/A = 0.010000 V/A, Zero Current = -0.010028 A 11:05:59 Coil Voltage Measurement meas_freq = 23.824700 Hz, meas_v_mag = 0.000428 V, meas_v_ph = -101.280000 deg freq = 23.824700 Hz, v_amp = 0.000605 V, v_ph = 168.720000 deg 11:05:59 Transverse Field Calculation freq = 23.824700 Hz, v_amp = 0.000605 V, v_ph = 168.720000 deg Coil Constant = 0.334200 (T/V0p) Transverse Field, Bt = 0.000202 T, THsp = -168.720000 deg 11:06:08 Move Stage, position = 0.325300 11:06:10 Stage Position Measurement, pos = 0.3250150 m 11:06:11 Magnet Current, Imag = 375.058668 A Vtrans = 3.750486 V, Factor V/A = 0.010000 V/A, Zero Current = -0.010028 A 11:07:43 Coil Voltage Measurement meas_freq = 23.821800 Hz, meas_v_mag = 0.000367 V, meas_v_ph = -107.226000 deg freq = 23.821800 Hz, v_amp = 0.000520 V, v_ph = 162.774000 deg 11:07:43 Transverse Field Calculation freq = 23.821800 Hz, v_amp = 0.000520 V, v_ph = 162.774000 deg Coil Constant = 0.334200 (T/V0p) Transverse Field, Bt = 0.000174 T, THsp = -162.774000 deg 11:07:52 Move Stage, position = 0.350300 11:07:53 Stage Position Measurement, pos = 0.3501700 m 11:07:54 Magnet Current, Imag = 375.062198 A Vtrans = 3.750522 V, Factor V/A = 0.010000 V/A, Zero Current = -0.010028 A 11:09:27 Coil Voltage Measurement meas_freq = 23.821800 Hz, meas_v_mag = 0.000239 V, meas_v_ph = -131.070000 deg freq = 23.821800 Hz, v_amp = 0.000338 V, v_ph = 138.930000 deg 11:09:27 Transverse Field Calculation freq = 23.821800 Hz, v_amp = 0.000338 V, v_ph = 138.930000 deg Coil Constant = 0.334200 (T/V0p) Transverse Field, Bt = 0.000113 T, THsp = -138.930000 deg 11:09:36 Move Stage, position = 0.375300 11:09:38 Stage Position Measurement, pos = 0.3752300 m 11:09:39 Magnet Current, Imag = 375.072128 A Vtrans = 3.750621 V, Factor V/A = 0.010000 V/A, Zero Current = -0.010028 A 11:11:12 Coil Voltage Measurement meas_freq = 23.829500 Hz, meas_v_mag = 0.000341 V, meas_v_ph = 156.330000 deg freq = 23.829500 Hz, v_amp = 0.000482 V, v_ph = 66.330000 deg 11:11:12 Transverse Field Calculation freq = 23.829500 Hz, v_amp = 0.000482 V, v_ph = 66.330000 deg Coil Constant = 0.334200 (T/V0p) Transverse Field, Bt = 0.000161 T, THsp = -66.330000 deg 11:12:08 Move Stage, position = 0.000000 11:12:11 Magnet current ramping to 0.0000 A...