SLAC Magnetic Measurements Date: 07-26-2024 Time: 16:57:22 Project: LCLS-II-HE Magnet Type: Dipole Magnet Name: 4591 Serial Number: 1 Run Number: 23 Measurement Device: 10wire Operator: sda Comment: Degauss Currents f = 0.89 totals point = 51 Imax = -70. 1st meas PS on, 2nd PS off Standardization for MAIN: 1 cycles from -120.1 A to 120.0 A to -120.1 A Test Currents for MAIN (A): 0.00 -70.00 62.30 -55.45 49.35 -43.92 39.09 -34.79 30.96 -27.56 24.52 -21.83 19.43 -17.29 15.39 -13.69 12.19 -10.85 9.65 -8.59 7.65 -6.81 6.06 -5.39 4.80 -4.27 3.80 -3.38 3.01 -2.68 2.38 -2.12 1.89 -1.68 1.50 -1.33 1.19 -1.05 0.94 -0.84 0.74 -0.66 0.59 -0.52 0.47 -0.42 0.37 -0.33 0.29 -0.26 0.00 16:57:48 Position moved: 0.000000 m 16:57:51 Magnet Current for MAIN, Imag = 0.0001 A Vtrans = 0.000001 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000000 A 16:57:52 Magnet Current for MAIN, Imag = 0.0003 A Vtrans = 0.000003 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000000 A 16:57:53 Magnet Current for MAIN, Imag = 0.0004 A Vtrans = 0.000004 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000000 A 16:57:53 Magnet Current for MAIN, Imag = 0.0004 A Vtrans = 0.000004 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000000 A 16:57:54 Magnet Current for MAIN, Imag = 0.0003 A Vtrans = 0.000003 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000000 A 16:57:55 Magnet Current for MAIN, Imag = 0.0003 A Vtrans = 0.000003 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000000 A 16:57:55 Magnet Current for MAIN, Imag = 0.0003 A Vtrans = 0.000003 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000000 A 16:57:56 Magnet Current for MAIN, Imag = 0.0003 A Vtrans = 0.000003 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000000 A 16:57:57 Magnet Current for MAIN, Imag = 0.0004 A Vtrans = 0.000004 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000000 A 16:57:57 Magnet Current for MAIN, Imag = 0.0003 A Vtrans = 0.000003 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000000 A 16:57:57 Magnet Avgerage Current Measurement for MAIN : Imag = 0.0003 +- 0.0001 A 16:58:19 Initial Zero Current Measurement for MAIN, Imag_zero = 0.00032101 A 16:58:19 Ambient Measurement Device(s) Being Used, type = None 16:58:20 Magnet Voltage Measurement Device(s) Being Used, type = HP34970 16:58:20 Temperature Measurement Device(s) Being Used, type = HPTHERM_HP34970 16:58:20 XMAG Device(s) Being Used, type = None 16:58:20 Ambient Measurement Device(s) Being Used, type = HP34970 16:58:20 Magnet system MAIN current ramping to 120.0000 A... 16:58:45 Magnet system MAIN current ramping to -120.0700 A... 16:59:35 Position moved: 0.000000 m 16:59:37 Magnet system MAIN current ramping to 0.0000 A... 17:00:02 Magnet system MAIN current ramping to -70.0000 A... 17:00:18 Magnet system MAIN current ramping to 62.3000 A... 17:00:45 Magnet system MAIN current ramping to -55.4470 A... 17:01:09 Magnet system MAIN current ramping to 49.3478 A... 17:01:31 Magnet system MAIN current ramping to -43.9196 A... 17:01:50 Magnet system MAIN current ramping to 39.0884 A... 17:02:08 Magnet system MAIN current ramping to -34.7887 A... 17:02:24 Magnet system MAIN current ramping to 30.9619 A... 17:02:38 Magnet system MAIN current ramping to -27.5561 A... 17:02:52 Magnet system MAIN current ramping to 24.5250 A... 17:03:04 Magnet system MAIN current ramping to -21.8272 A... 17:03:15 Magnet system MAIN current ramping to 19.4262 A... 17:03:24 Magnet system MAIN current ramping to -17.2893 A... 17:03:34 Magnet system MAIN current ramping to 15.3875 A... 17:03:42 Magnet system MAIN current ramping to -13.6949 A... 17:03:50 Magnet system MAIN current ramping to 12.1884 A... 17:03:57 Magnet system MAIN current ramping to -10.8477 A... 17:04:03 Magnet system MAIN current ramping to 9.6545 A... 17:04:09 Magnet system MAIN current ramping to -8.5925 A... 17:04:15 Magnet system MAIN current ramping to 7.6473 A... 17:04:20 Magnet system MAIN current ramping to -6.8061 A... 17:04:25 Magnet system MAIN current ramping to 6.0574 A... 17:04:30 Magnet system MAIN current ramping to -5.3911 A... 17:04:34 Magnet system MAIN current ramping to 4.7981 A... 17:04:38 Magnet system MAIN current ramping to -4.2703 A... 17:04:42 Magnet system MAIN current ramping to 3.8006 A... 17:04:46 Magnet system MAIN current ramping to -3.3825 A... 17:04:50 Magnet system MAIN current ramping to 3.0104 A... 17:04:53 Magnet system MAIN current ramping to -2.6793 A... 17:04:56 Magnet system MAIN current ramping to 2.3846 A... 17:05:00 Magnet system MAIN current ramping to -2.1223 A... 17:05:03 Magnet system MAIN current ramping to 1.8888 A... 17:05:06 Magnet system MAIN current ramping to -1.6810 A... 17:05:09 Magnet system MAIN current ramping to 1.4961 A... 17:05:11 Magnet system MAIN current ramping to -1.3316 A... 17:05:14 Magnet system MAIN current ramping to 1.1851 A... 17:05:17 Magnet system MAIN current ramping to -1.0547 A... 17:05:20 Magnet system MAIN current ramping to 0.9387 A... 17:05:22 Magnet system MAIN current ramping to -0.8355 A... 17:05:25 Magnet system MAIN current ramping to 0.7436 A... 17:05:27 Magnet system MAIN current ramping to -0.6618 A... 17:05:30 Magnet system MAIN current ramping to 0.5890 A... 17:05:32 Magnet system MAIN current ramping to -0.5242 A... 17:05:35 Magnet system MAIN current ramping to 0.4665 A... 17:05:37 Magnet system MAIN current ramping to -0.4152 A... 17:05:39 Magnet system MAIN current ramping to 0.3695 A... 17:05:42 Magnet system MAIN current ramping to -0.3289 A... 17:05:44 Magnet system MAIN current ramping to 0.2927 A... 17:05:47 Magnet system MAIN current ramping to -0.2605 A... 17:05:49 Magnet system MAIN current ramping to 0.0000 A... 17:05:52 Magnet Current for MAIN, Imag = 0.0001 A Vtrans = 0.000004 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000321 A 17:05:53 Main (V) Voltage Measurement, V = -0.000001 V 17:05:54 Temperature Measurement, Probe Number = 0, T = 28.328000 C 17:06:00 Temperature Measurement, Probe Number = 1, T = 28.964000 C 17:06:01 Temperature Measurement, Probe Number = 2, T = 29.041000 C 17:06:01 Temperature Measurement, Probe Number = 3, T = 29.470000 C 17:06:02 Temperature Measurement, Probe Number = 4, T = 29.381000 C 17:06:03 Temperature Measurement, Probe Number = 5, T = 28.661000 C 17:06:03 Sensor Voltage Measurement, Sensor Number = 0, V = 2.640027 V 17:06:03 Sensor Measurement, Sensor Number = 0, Sensor Type = WATER_HPASHCROFT_P Raw Sensor Output = 2.640027 (V, A, ohm, ...), Measured Value = 123.002040 (C, atm, Hz, ...) 17:06:04 Sensor Voltage Measurement, Sensor Number = 1, V = 1.163344 V 17:06:04 Sensor Measurement, Sensor Number = 1, Sensor Type = WATER_HPASHCROFT_P Raw Sensor Output = 1.163344 (V, A, ohm, ...), Measured Value = 12.250785 (C, atm, Hz, ...) 17:06:04 Sensor Voltage Measurement, Sensor Number = 2, V = 0.000631 V 17:06:04 Sensor Measurement, Sensor Number = 2, Sensor Type = WATER_KEYENCE_FLOW Raw Sensor Output = 0.000631 (V, A, ohm, ...), Measured Value = 0.630850 (C, atm, Hz, ...) 17:06:04 Magnet Test Parameter Measurements P0 = MAIN, Value = 0.00 P1 = Main (V), Value = -0.00 P2 = Core_Top, Value = 28.33 P3 = Top_Coil_Trim, Value = 28.96 P4 = Side_Coil, Value = 29.04 P5 = H2O_Supply, Value = 29.47 P6 = H2O_Return, Value = 29.38 P7 = Ambient, Value = 28.66 P8 = Supply_Pres, Value = 123.00 P9 = Return_Pres, Value = 12.25 P10 = Flow_Rate, Value = 0.63 17:06:04 Magnetic Field Measurement Measuring the magnet strength... 17:06:04 Integrated Voltage Measurement... 17:06:05 Magnet Current for MAIN, Imag = 0.0001 A Vtrans = 0.000004 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000321 A 17:06:14 Voltage Offset Correction: v_off_ini = -0.000002304 V, v_off_fin = -0.000001986 V 17:06:14 Integrated Voltage Measurement X0 = 0.0000000 m, Delta X = 0.0050000 m VT = -0.000002016 Vs 17:06:22 Voltage Offset Correction: v_off_ini = -0.000002249 V, v_off_fin = -0.000001815 V 17:06:22 Integrated Voltage Measurement X0 = 0.0000000 m, Delta X = -0.0050000 m VT = 0.000001774 Vs 17:06:23 Magnet Current for MAIN, Imag = 0.0001 A Vtrans = 0.000004 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000321 A 17:06:30 Voltage Offset Correction: v_off_ini = -0.000002050 V, v_off_fin = -0.000002288 V 17:06:30 Integrated Voltage Measurement X0 = 0.0000000 m, Delta X = 0.0050000 m VT = -0.000001884 Vs 17:06:38 Voltage Offset Correction: v_off_ini = -0.000002109 V, v_off_fin = -0.000002831 V 17:06:38 Integrated Voltage Measurement X0 = 0.0000000 m, Delta X = -0.0050000 m VT = 0.000001964 Vs 17:06:39 Magnet Current for MAIN, Imag = 0.0001 A Vtrans = 0.000004 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000321 A 17:06:46 Voltage Offset Correction: v_off_ini = -0.000002259 V, v_off_fin = -0.000002147 V 17:06:47 Integrated Voltage Measurement X0 = 0.0000000 m, Delta X = 0.0050000 m VT = -0.000002030 Vs 17:06:54 Voltage Offset Correction: v_off_ini = -0.000002131 V, v_off_fin = -0.000002332 V 17:06:54 Integrated Voltage Measurement X0 = 0.0000000 m, Delta X = -0.0050000 m VT = 0.000002244 Vs 17:06:55 Magnet Current for MAIN, Imag = 0.0001 A Vtrans = 0.000004 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000321 A 17:07:03 Voltage Offset Correction: v_off_ini = -0.000002164 V, v_off_fin = -0.000001967 V 17:07:03 Integrated Voltage Measurement X0 = 0.0000000 m, Delta X = 0.0050000 m VT = -0.000001992 Vs 17:07:10 Voltage Offset Correction: v_off_ini = -0.000002140 V, v_off_fin = -0.000001843 V 17:07:10 Integrated Voltage Measurement X0 = 0.0000000 m, Delta X = -0.0050000 m VT = 0.000001981 Vs 17:07:10 Integrated Voltage Average and RMS of Measurements X0 = 0.0000000 m, Delta X = 0.0050000 m VT = -0.000001986 +- 0.000000094 Vs 17:07:10 Integrated Field Strength, Average and RMS of Measurements X0 = 0.0000000 m, dx = 0.0050000 m, Nturns = 10.0 VT = -0.000001986 +- 0.000000094 Vs BL = -0.00003971 +- 0.00000187 Tm 17:07:14 Position moved: 0.000000 m 17:07:14 BL vs X Fit Coefficients: Cn sigCn n (Tm/m^n) ----- --------+-------- 0 -0.00004 0.00000 Compute Fit Residuals: X0 BL sigBL BLfit BL-BLfit (m) (Tm) (Tm) (Tm) (Tm) ----------- --------+-------- -------- -------- 0.0000000 -0.00004 0.00000 -0.00004 0.00000 17:07:14 Magnet Strength Calculation Harmonic Number = 1 Number Of X0 Positions = 1 X0 BL sigBL (m) (Tm) (Tm) -------- --------+-------- 0.0000 -0.00004 0.00000 SL = -0.0000397 +- 0.0000019 Tm^2/m^n 17:07:14 Magnet Strength Measurement Harmonic Number = 1 SL = -0.0000397 +- 0.0000019 Tm^2/m^n 17:07:17 Position moved: 0.000000 m