SLAC Magnetic Measurements Date: 01-15-2002 Time: 16:12:17 Project: klystron Magnet Type: solenoid Magnet Name: compton101 Serial Number: Run Number: 6 Measurement Device: Coil ZZ Operator: dj Comment: Bt vs z at 250 A, x = +2 mils, y = +3 mils, z=0 is reference surface Test Currents (A): 250.0 16:12:29 Btcoil, device being used, type = SR850 16:12:29 Stage Zeroed 16:12:29 MoveZ Devices: Move Device = MANUAL, Read Device = NONE 16:12:30 Initial Zero Current Measurement, Imag_zero = 0.0000 A 16:12:30 Magnet current ramping to 250.0000 A... 16:14:38 Move Stage, position = -0.060000 16:14:39 Stage Position Measurement, pos = -0.060000 m 16:14:41 Magnet Current, Imag = 249.7183 A Vtrans = 2.497183 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000000 A 16:15:04 Coil Voltage Measurement meas_freq = 23.812300 Hz, meas_v_mag = 0.000069 V, meas_v_ph = 169.188000 deg freq = 23.812300 Hz, v_amp = 0.000098 V, v_ph = 79.188000 deg 16:15:04 Transverse Field Calculation freq = 23.812300 Hz, v_amp = 0.000098 V, v_ph = 79.188000 deg Coil Constant = 0.334300 (T/V0p) Transverse Field, Bt = 0.000033 T, THsp = -79.188000 deg 16:15:48 Move Stage, position = -0.040000 16:15:49 Stage Position Measurement, pos = -0.040000 m 16:15:50 Magnet Current, Imag = 249.7000 A Vtrans = 2.497000 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000000 A 16:16:14 Coil Voltage Measurement meas_freq = 23.817100 Hz, meas_v_mag = 0.000026 V, meas_v_ph = 137.724000 deg freq = 23.817100 Hz, v_amp = 0.000036 V, v_ph = 47.724000 deg 16:16:14 Transverse Field Calculation freq = 23.817100 Hz, v_amp = 0.000036 V, v_ph = 47.724000 deg Coil Constant = 0.334300 (T/V0p) Transverse Field, Bt = 0.000012 T, THsp = -47.724000 deg 16:18:31 Move Stage, position = -0.020000 16:18:32 Stage Position Measurement, pos = -0.020000 m 16:18:33 Magnet Current, Imag = 249.7063 A Vtrans = 2.497063 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000000 A 16:18:56 Coil Voltage Measurement meas_freq = 23.820900 Hz, meas_v_mag = 0.000106 V, meas_v_ph = 26.292000 deg freq = 23.820900 Hz, v_amp = 0.000150 V, v_ph = -63.708000 deg 16:18:56 Transverse Field Calculation freq = 23.820900 Hz, v_amp = 0.000150 V, v_ph = -63.708000 deg Coil Constant = 0.334300 (T/V0p) Transverse Field, Bt = 0.000050 T, THsp = 63.708000 deg 16:19:42 Move Stage, position = 0.000000 16:19:43 Stage Position Measurement, pos = 0.000000 m 16:19:44 Magnet Current, Imag = 249.7208 A Vtrans = 2.497208 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000000 A 16:20:06 Coil Voltage Measurement meas_freq = 23.813200 Hz, meas_v_mag = 0.000402 V, meas_v_ph = 17.628000 deg freq = 23.813200 Hz, v_amp = 0.000569 V, v_ph = -72.372000 deg 16:20:07 Transverse Field Calculation freq = 23.813200 Hz, v_amp = 0.000569 V, v_ph = -72.372000 deg Coil Constant = 0.334300 (T/V0p) Transverse Field, Bt = 0.000190 T, THsp = 72.372000 deg 16:20:51 Move Stage, position = 0.020000 16:20:52 Stage Position Measurement, pos = 0.020000 m 16:20:53 Magnet Current, Imag = 249.7193 A Vtrans = 2.497193 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000000 A 16:21:13 Coil Voltage Measurement meas_freq = 23.828500 Hz, meas_v_mag = 0.000945 V, meas_v_ph = -55.152000 deg freq = 23.828500 Hz, v_amp = 0.001337 V, v_ph = -145.152000 deg 16:21:13 Transverse Field Calculation freq = 23.828500 Hz, v_amp = 0.001337 V, v_ph = -145.152000 deg Coil Constant = 0.334300 (T/V0p) Transverse Field, Bt = 0.000447 T, THsp = 145.152000 deg 16:21:30 Move Stage, position = 0.040000 16:21:31 Stage Position Measurement, pos = 0.040000 m 16:21:32 Magnet Current, Imag = 249.7138 A Vtrans = 2.497138 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000000 A 16:21:52 Coil Voltage Measurement meas_freq = 23.821800 Hz, meas_v_mag = 0.002142 V, meas_v_ph = -80.598000 deg freq = 23.821800 Hz, v_amp = 0.003030 V, v_ph = -170.598000 deg 16:21:52 Transverse Field Calculation freq = 23.821800 Hz, v_amp = 0.003030 V, v_ph = -170.598000 deg Coil Constant = 0.334300 (T/V0p) Transverse Field, Bt = 0.001013 T, THsp = 170.598000 deg 16:22:32 Move Stage, position = 0.060000 16:22:33 Stage Position Measurement, pos = 0.060000 m 16:22:35 Magnet Current, Imag = 249.7004 A Vtrans = 2.497004 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000000 A 16:22:54 Coil Voltage Measurement meas_freq = 23.814200 Hz, meas_v_mag = 0.002801 V, meas_v_ph = -86.088000 deg freq = 23.814200 Hz, v_amp = 0.003961 V, v_ph = -176.088000 deg 16:22:54 Transverse Field Calculation freq = 23.814200 Hz, v_amp = 0.003961 V, v_ph = -176.088000 deg Coil Constant = 0.334300 (T/V0p) Transverse Field, Bt = 0.001324 T, THsp = 176.088000 deg 16:23:49 Move Stage, position = 0.080000 16:23:50 Stage Position Measurement, pos = 0.080000 m 16:23:52 Magnet Current, Imag = 249.7161 A Vtrans = 2.497161 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000000 A 16:24:11 Coil Voltage Measurement meas_freq = 23.822800 Hz, meas_v_mag = 0.002219 V, meas_v_ph = -86.334000 deg freq = 23.822800 Hz, v_amp = 0.003138 V, v_ph = -176.334000 deg 16:24:11 Transverse Field Calculation freq = 23.822800 Hz, v_amp = 0.003138 V, v_ph = -176.334000 deg Coil Constant = 0.334300 (T/V0p) Transverse Field, Bt = 0.001049 T, THsp = 176.334000 deg 16:24:32 Move Stage, position = 0.100000 16:24:33 Stage Position Measurement, pos = 0.100000 m 16:24:35 Magnet Current, Imag = 249.7232 A Vtrans = 2.497232 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000000 A 16:24:56 Coil Voltage Measurement meas_freq = 23.815200 Hz, meas_v_mag = 0.000693 V, meas_v_ph = -65.142000 deg freq = 23.815200 Hz, v_amp = 0.000981 V, v_ph = -155.142000 deg 16:24:56 Transverse Field Calculation freq = 23.815200 Hz, v_amp = 0.000981 V, v_ph = -155.142000 deg Coil Constant = 0.334300 (T/V0p) Transverse Field, Bt = 0.000328 T, THsp = 155.142000 deg 16:25:14 Move Stage, position = 0.120000 16:25:15 Stage Position Measurement, pos = 0.120000 m 16:25:16 Magnet Current, Imag = 249.7071 A Vtrans = 2.497071 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000000 A 16:25:38 Coil Voltage Measurement meas_freq = 23.822800 Hz, meas_v_mag = 0.000676 V, meas_v_ph = 61.320000 deg freq = 23.822800 Hz, v_amp = 0.000956 V, v_ph = -28.680000 deg 16:25:38 Transverse Field Calculation freq = 23.822800 Hz, v_amp = 0.000956 V, v_ph = -28.680000 deg Coil Constant = 0.334300 (T/V0p) Transverse Field, Bt = 0.000320 T, THsp = 28.680000 deg 16:26:54 Move Stage, position = 0.140000 16:26:55 Stage Position Measurement, pos = 0.140000 m 16:26:57 Magnet Current, Imag = 249.7024 A Vtrans = 2.497024 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000000 A 16:27:17 Coil Voltage Measurement meas_freq = 23.817100 Hz, meas_v_mag = 0.001028 V, meas_v_ph = 75.336000 deg freq = 23.817100 Hz, v_amp = 0.001454 V, v_ph = -14.664000 deg 16:27:17 Transverse Field Calculation freq = 23.817100 Hz, v_amp = 0.001454 V, v_ph = -14.664000 deg Coil Constant = 0.334300 (T/V0p) Transverse Field, Bt = 0.000486 T, THsp = 14.664000 deg 16:27:49 Move Stage, position = 0.160000 16:27:50 Stage Position Measurement, pos = 0.160000 m 16:27:51 Magnet Current, Imag = 249.7180 A Vtrans = 2.497180 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000000 A 16:28:12 Coil Voltage Measurement meas_freq = 23.820900 Hz, meas_v_mag = 0.001477 V, meas_v_ph = 98.334000 deg freq = 23.820900 Hz, v_amp = 0.002089 V, v_ph = 8.334000 deg 16:28:12 Transverse Field Calculation freq = 23.820900 Hz, v_amp = 0.002089 V, v_ph = 8.334000 deg Coil Constant = 0.334300 (T/V0p) Transverse Field, Bt = 0.000698 T, THsp = -8.334000 deg 16:29:14 Move Stage, position = 0.180000 16:29:15 Stage Position Measurement, pos = 0.180000 m 16:29:16 Magnet Current, Imag = 249.7227 A Vtrans = 2.497227 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000000 A 16:29:36 Coil Voltage Measurement meas_freq = 23.820900 Hz, meas_v_mag = 0.001569 V, meas_v_ph = 98.232000 deg freq = 23.820900 Hz, v_amp = 0.002219 V, v_ph = 8.232000 deg 16:29:36 Transverse Field Calculation freq = 23.820900 Hz, v_amp = 0.002219 V, v_ph = 8.232000 deg Coil Constant = 0.334300 (T/V0p) Transverse Field, Bt = 0.000742 T, THsp = -8.232000 deg 16:30:03 Move Stage, position = 0.200000 16:30:04 Stage Position Measurement, pos = 0.200000 m 16:30:05 Magnet Current, Imag = 249.7029 A Vtrans = 2.497029 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000000 A 16:30:26 Coil Voltage Measurement meas_freq = 23.824700 Hz, meas_v_mag = 0.001375 V, meas_v_ph = 98.310000 deg freq = 23.824700 Hz, v_amp = 0.001944 V, v_ph = 8.310000 deg 16:30:26 Transverse Field Calculation freq = 23.824700 Hz, v_amp = 0.001944 V, v_ph = 8.310000 deg Coil Constant = 0.334300 (T/V0p) Transverse Field, Bt = 0.000650 T, THsp = -8.310000 deg 16:31:06 Move Stage, position = 0.220000 16:31:07 Stage Position Measurement, pos = 0.220000 m 16:31:08 Magnet Current, Imag = 249.7115 A Vtrans = 2.497115 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000000 A 16:31:30 Coil Voltage Measurement meas_freq = 23.813200 Hz, meas_v_mag = 0.000759 V, meas_v_ph = 111.192000 deg freq = 23.813200 Hz, v_amp = 0.001073 V, v_ph = 21.192000 deg 16:31:30 Transverse Field Calculation freq = 23.813200 Hz, v_amp = 0.001073 V, v_ph = 21.192000 deg Coil Constant = 0.334300 (T/V0p) Transverse Field, Bt = 0.000359 T, THsp = -21.192000 deg 16:32:11 Move Stage, position = 0.240000 16:32:12 Stage Position Measurement, pos = 0.240000 m 16:32:13 Magnet Current, Imag = 249.6923 A Vtrans = 2.496923 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000000 A 16:32:40 Coil Voltage Measurement meas_freq = 23.813200 Hz, meas_v_mag = 0.000233 V, meas_v_ph = -117.864000 deg freq = 23.813200 Hz, v_amp = 0.000329 V, v_ph = 152.136000 deg 16:32:40 Transverse Field Calculation freq = 23.813200 Hz, v_amp = 0.000329 V, v_ph = 152.136000 deg Coil Constant = 0.334300 (T/V0p) Transverse Field, Bt = 0.000110 T, THsp = -152.136000 deg 16:33:49 Move Stage, position = 0.260000 16:33:50 Stage Position Measurement, pos = 0.260000 m 16:33:51 Magnet Current, Imag = 249.7103 A Vtrans = 2.497103 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000000 A 16:34:14 Coil Voltage Measurement meas_freq = 23.817100 Hz, meas_v_mag = 0.000096 V, meas_v_ph = -105.246000 deg freq = 23.817100 Hz, v_amp = 0.000135 V, v_ph = 164.754000 deg 16:34:14 Transverse Field Calculation freq = 23.817100 Hz, v_amp = 0.000135 V, v_ph = 164.754000 deg Coil Constant = 0.334300 (T/V0p) Transverse Field, Bt = 0.000045 T, THsp = -164.754000 deg 16:34:38 Move Stage, position = 0.280000 16:34:39 Stage Position Measurement, pos = 0.280000 m 16:34:40 Magnet Current, Imag = 249.7153 A Vtrans = 2.497153 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000000 A 16:35:04 Coil Voltage Measurement meas_freq = 23.809400 Hz, meas_v_mag = 0.000033 V, meas_v_ph = -67.200000 deg freq = 23.809400 Hz, v_amp = 0.000047 V, v_ph = -157.200000 deg 16:35:04 Transverse Field Calculation freq = 23.809400 Hz, v_amp = 0.000047 V, v_ph = -157.200000 deg Coil Constant = 0.334300 (T/V0p) Transverse Field, Bt = 0.000016 T, THsp = 157.200000 deg 16:36:37 Move Stage, position = 0.300000 16:36:38 Stage Position Measurement, pos = 0.300000 m 16:36:39 Magnet Current, Imag = 249.7018 A Vtrans = 2.497018 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000000 A 16:37:01 Coil Voltage Measurement meas_freq = 23.809400 Hz, meas_v_mag = 0.000081 V, meas_v_ph = -20.388000 deg freq = 23.809400 Hz, v_amp = 0.000115 V, v_ph = -110.388000 deg 16:37:01 Transverse Field Calculation freq = 23.809400 Hz, v_amp = 0.000115 V, v_ph = -110.388000 deg Coil Constant = 0.334300 (T/V0p) Transverse Field, Bt = 0.000038 T, THsp = 110.388000 deg 16:37:06 Move Stage, position = 0.000000 16:37:06 Magnet current ramping to 0.0000 A...