SLAC Magnetic Measurements Date: 07-26-2024 Time: 15:30:43 Project: LCLS-II-HE Magnet Type: Dipole Magnet Name: 4591 Serial Number: 1 Run Number: 17 Measurement Device: 10wire Operator: sda Comment: Degauss Currents f = 0.87 totals point = 53 Imax = -60 Standardization for MAIN: 1 cycles from -120.1 A to 120.0 A to -120.1 A Test Currents for MAIN (A): 0.00 -60.00 52.20 -45.41 39.51 -34.37 29.91 -26.02 22.64 -19.69 17.13 -14.91 12.97 -11.28 9.82 -8.54 7.43 -6.46 5.62 -4.89 4.26 -3.70 3.22 -2.80 2.44 -2.12 1.85 -1.61 1.40 -1.22 1.06 -0.92 0.80 -0.70 0.61 -0.53 0.46 -0.40 0.35 -0.30 0.26 -0.23 0.20 -0.17 0.15 -0.13 0.11 -0.10 0.09 -0.07 0.07 15:31:09 Position moved: 0.000000 m 15:31:12 Magnet Current for MAIN, Imag = 0.0003 A Vtrans = 0.000003 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000000 A 15:31:13 Magnet Current for MAIN, Imag = 0.0004 A Vtrans = 0.000004 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000000 A 15:31:14 Magnet Current for MAIN, Imag = 0.0004 A Vtrans = 0.000004 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000000 A 15:31:14 Magnet Current for MAIN, Imag = 0.0003 A Vtrans = 0.000003 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000000 A 15:31:15 Magnet Current for MAIN, Imag = 0.0005 A Vtrans = 0.000005 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000000 A 15:31:16 Magnet Current for MAIN, Imag = 0.0004 A Vtrans = 0.000004 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000000 A 15:31:16 Magnet Current for MAIN, Imag = 0.0004 A Vtrans = 0.000004 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000000 A 15:31:17 Magnet Current for MAIN, Imag = 0.0004 A Vtrans = 0.000004 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000000 A 15:31:17 Magnet Current for MAIN, Imag = 0.0004 A Vtrans = 0.000004 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000000 A 15:31:18 Magnet Current for MAIN, Imag = 0.0004 A Vtrans = 0.000004 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000000 A 15:31:18 Magnet Avgerage Current Measurement for MAIN : Imag = 0.0004 +- 0.0000 A 15:31:43 Initial Zero Current Measurement for MAIN, Imag_zero = 0.00039544 A 15:31:43 Ambient Measurement Device(s) Being Used, type = None 15:31:44 Magnet Voltage Measurement Device(s) Being Used, type = HP34970 15:31:44 Temperature Measurement Device(s) Being Used, type = HPTHERM_HP34970 15:31:44 XMAG Device(s) Being Used, type = None 15:31:45 Ambient Measurement Device(s) Being Used, type = HP34970 15:31:45 Magnet system MAIN current ramping to 120.0000 A... 15:32:09 Magnet system MAIN current ramping to -120.0700 A... 15:32:59 Position moved: 0.000000 m 15:33:02 Magnet system MAIN current ramping to 0.0000 A... 15:33:27 Magnet system MAIN current ramping to -60.0000 A... 15:33:40 Magnet system MAIN current ramping to 52.2000 A... 15:34:03 Magnet system MAIN current ramping to -45.4140 A... 15:34:24 Magnet system MAIN current ramping to 39.5102 A... 15:34:42 Magnet system MAIN current ramping to -34.3739 A... 15:34:58 Magnet system MAIN current ramping to 29.9053 A... 15:35:12 Magnet system MAIN current ramping to -26.0176 A... 15:35:25 Magnet system MAIN current ramping to 22.6353 A... 15:35:36 Magnet system MAIN current ramping to -19.6927 A... 15:35:46 Magnet system MAIN current ramping to 17.1327 A... 15:35:56 Magnet system MAIN current ramping to -14.9054 A... 15:36:04 Magnet system MAIN current ramping to 12.9677 A... 15:36:11 Magnet system MAIN current ramping to -11.2819 A... 15:36:18 Magnet system MAIN current ramping to 9.8153 A... 15:36:24 Magnet system MAIN current ramping to -8.5393 A... 15:36:30 Magnet system MAIN current ramping to 7.4292 A... 15:36:35 Magnet system MAIN current ramping to -6.4634 A... 15:36:40 Magnet system MAIN current ramping to 5.6231 A... 15:36:45 Magnet system MAIN current ramping to -4.8921 A... 15:36:49 Magnet system MAIN current ramping to 4.2561 A... 15:36:53 Magnet system MAIN current ramping to -3.7029 A... 15:36:57 Magnet system MAIN current ramping to 3.2215 A... 15:37:00 Magnet system MAIN current ramping to -2.8027 A... 15:37:04 Magnet system MAIN current ramping to 2.4383 A... 15:37:07 Magnet system MAIN current ramping to -2.1214 A... 15:37:10 Magnet system MAIN current ramping to 1.8456 A... 15:37:13 Magnet system MAIN current ramping to -1.6057 A... 15:37:16 Magnet system MAIN current ramping to 1.3969 A... 15:37:19 Magnet system MAIN current ramping to -1.2153 A... 15:37:22 Magnet system MAIN current ramping to 1.0573 A... 15:37:24 Magnet system MAIN current ramping to -0.9199 A... 15:37:27 Magnet system MAIN current ramping to 0.8003 A... 15:37:30 Magnet system MAIN current ramping to -0.6963 A... 15:37:32 Magnet system MAIN current ramping to 0.6057 A... 15:37:35 Magnet system MAIN current ramping to -0.5270 A... 15:37:37 Magnet system MAIN current ramping to 0.4585 A... 15:37:39 Magnet system MAIN current ramping to -0.3989 A... 15:37:42 Magnet system MAIN current ramping to 0.3470 A... 15:37:44 Magnet system MAIN current ramping to -0.3019 A... 15:37:47 Magnet system MAIN current ramping to 0.2627 A... 15:37:49 Magnet system MAIN current ramping to -0.2285 A... 15:37:51 Magnet system MAIN current ramping to 0.1988 A... 15:37:54 Magnet system MAIN current ramping to -0.1730 A... 15:37:56 Magnet system MAIN current ramping to 0.1505 A... 15:37:59 Magnet system MAIN current ramping to -0.1309 A... 15:38:01 Magnet system MAIN current ramping to 0.1139 A... 15:38:03 Magnet system MAIN current ramping to -0.0991 A... 15:38:06 Magnet system MAIN current ramping to 0.0862 A... 15:38:08 Magnet system MAIN current ramping to -0.0750 A... 15:38:11 Magnet system MAIN current ramping to 0.0653 A... 15:38:14 Magnet Current for MAIN, Imag = 0.0556 A Vtrans = 0.000560 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000395 A 15:38:14 Main (V) Voltage Measurement, V = 0.003000 V 15:38:15 Temperature Measurement, Probe Number = 0, T = 27.899000 C 15:38:22 Temperature Measurement, Probe Number = 1, T = 28.953000 C 15:38:22 Temperature Measurement, Probe Number = 2, T = 28.967000 C 15:38:23 Temperature Measurement, Probe Number = 3, T = 29.431000 C 15:38:24 Temperature Measurement, Probe Number = 4, T = 29.725000 C 15:38:24 Temperature Measurement, Probe Number = 5, T = 28.204000 C 15:38:25 Sensor Voltage Measurement, Sensor Number = 0, V = 2.668660 V 15:38:25 Sensor Measurement, Sensor Number = 0, Sensor Type = WATER_HPASHCROFT_P Raw Sensor Output = 2.668660 (V, A, ohm, ...), Measured Value = 125.149530 (C, atm, Hz, ...) 15:38:25 Sensor Voltage Measurement, Sensor Number = 1, V = 1.162726 V 15:38:25 Sensor Measurement, Sensor Number = 1, Sensor Type = WATER_HPASHCROFT_P Raw Sensor Output = 1.162726 (V, A, ohm, ...), Measured Value = 12.204427 (C, atm, Hz, ...) 15:38:26 Sensor Voltage Measurement, Sensor Number = 2, V = 0.000620 V 15:38:26 Sensor Measurement, Sensor Number = 2, Sensor Type = WATER_KEYENCE_FLOW Raw Sensor Output = 0.000620 (V, A, ohm, ...), Measured Value = 0.620396 (C, atm, Hz, ...) 15:38:26 Magnet Test Parameter Measurements P0 = MAIN, Value = 0.06 P1 = Main (V), Value = 0.00 P2 = Core_Top, Value = 27.90 P3 = Top_Coil_Trim, Value = 28.95 P4 = Side_Coil, Value = 28.97 P5 = H2O_Supply, Value = 29.43 P6 = H2O_Return, Value = 29.73 P7 = Ambient, Value = 28.20 P8 = Supply_Pres, Value = 125.15 P9 = Return_Pres, Value = 12.20 P10 = Flow_Rate, Value = 0.62 15:38:26 Magnetic Field Measurement Measuring the magnet strength... 15:38:26 Integrated Voltage Measurement... 15:38:27 Magnet Current for MAIN, Imag = 0.0556 A Vtrans = 0.000560 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000395 A 15:38:35 Voltage Offset Correction: v_off_ini = -0.000002392 V, v_off_fin = -0.000002108 V 15:38:35 Integrated Voltage Measurement X0 = 0.0000000 m, Delta X = 0.0050000 m VT = 0.000009514 Vs 15:38:43 Voltage Offset Correction: v_off_ini = -0.000002043 V, v_off_fin = -0.000002320 V 15:38:43 Integrated Voltage Measurement X0 = 0.0000000 m, Delta X = -0.0050000 m VT = -0.000009308 Vs 15:38:44 Magnet Current for MAIN, Imag = 0.0556 A Vtrans = 0.000560 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000395 A 15:38:52 Voltage Offset Correction: v_off_ini = -0.000002124 V, v_off_fin = -0.000002026 V 15:38:52 Integrated Voltage Measurement X0 = 0.0000000 m, Delta X = 0.0050000 m VT = 0.000009402 Vs 15:38:59 Voltage Offset Correction: v_off_ini = -0.000001787 V, v_off_fin = -0.000002579 V 15:38:59 Integrated Voltage Measurement X0 = 0.0000000 m, Delta X = -0.0050000 m VT = -0.000009323 Vs 15:39:00 Magnet Current for MAIN, Imag = 0.0556 A Vtrans = 0.000560 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000395 A 15:39:08 Voltage Offset Correction: v_off_ini = -0.000001955 V, v_off_fin = -0.000002152 V 15:39:08 Integrated Voltage Measurement X0 = 0.0000000 m, Delta X = 0.0050000 m VT = 0.000009392 Vs 15:39:15 Voltage Offset Correction: v_off_ini = -0.000002240 V, v_off_fin = -0.000001897 V 15:39:15 Integrated Voltage Measurement X0 = 0.0000000 m, Delta X = -0.0050000 m VT = -0.000009275 Vs 15:39:16 Magnet Current for MAIN, Imag = 0.0556 A Vtrans = 0.000560 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000395 A 15:39:24 Voltage Offset Correction: v_off_ini = -0.000002091 V, v_off_fin = -0.000001856 V 15:39:24 Integrated Voltage Measurement X0 = 0.0000000 m, Delta X = 0.0050000 m VT = 0.000009269 Vs 15:39:32 Voltage Offset Correction: v_off_ini = -0.000002091 V, v_off_fin = -0.000001749 V 15:39:32 Integrated Voltage Measurement X0 = 0.0000000 m, Delta X = -0.0050000 m VT = -0.000009563 Vs 15:39:32 Integrated Voltage Average and RMS of Measurements X0 = 0.0000000 m, Delta X = 0.0050000 m VT = 0.000009381 +- 0.000000034 Vs 15:39:32 Integrated Field Strength, Average and RMS of Measurements X0 = 0.0000000 m, dx = 0.0050000 m, Nturns = 10.0 VT = 0.000009381 +- 0.000000034 Vs BL = 0.00018762 +- 0.00000069 Tm 15:39:35 Position moved: 0.000000 m 15:39:35 BL vs X Fit Coefficients: Cn sigCn n (Tm/m^n) ----- --------+-------- 0 0.00019 0.00000 Compute Fit Residuals: X0 BL sigBL BLfit BL-BLfit (m) (Tm) (Tm) (Tm) (Tm) ----------- --------+-------- -------- -------- 0.0000000 0.00019 0.00000 0.00019 0.00000 15:39:35 Magnet Strength Calculation Harmonic Number = 1 Number Of X0 Positions = 1 X0 BL sigBL (m) (Tm) (Tm) -------- --------+-------- 0.0000 0.00019 0.00000 SL = 0.0001876 +- 0.0000007 Tm^2/m^n 15:39:35 Magnet Strength Measurement Harmonic Number = 1 SL = 0.0001876 +- 0.0000007 Tm^2/m^n 15:39:38 Position moved: 0.000000 m 15:39:41 Position moved: 0.000000 m 15:39:44 Magnet system MAIN current ramping to 0.0000 A...