SLAC Magnetic Measurements Date: 07-29-2024 Time: 16:26:19 Project: LCLS-II-HE Magnet Type: Dipole Magnet Name: 4591 Serial Number: 1 Run Number: 26 Measurement Device: 10wire Operator: sda Comment: Degauss Currents f = 0.89 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 53.40 -47.53 42.30 -37.65 33.50 -29.82 26.54 -23.62 21.02 -18.71 16.65 -14.82 13.19 -11.74 10.45 -9.30 8.28 -7.36 6.55 -5.83 5.19 -4.62 4.11 -3.66 3.26 -2.90 2.58 -2.30 2.04 -1.82 1.62 -1.44 1.28 -1.14 1.02 -0.90 0.80 -0.72 0.64 -0.57 0.50 -0.45 0.40 -0.36 0.32 -0.28 0.25 -0.22 0.20 -0.18 0.00 16:26:49 Position moved: 0.000000 m 16:26:56 Magnet Current for MAIN, Imag = -0.0153 A Vtrans = -0.000153 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000000 A 16:26:56 Magnet Current for MAIN, Imag = -0.0150 A Vtrans = -0.000150 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000000 A 16:26:57 Magnet Current for MAIN, Imag = -0.0147 A Vtrans = -0.000147 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000000 A 16:26:58 Magnet Current for MAIN, Imag = -0.0146 A Vtrans = -0.000146 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000000 A 16:26:58 Magnet Current for MAIN, Imag = -0.0150 A Vtrans = -0.000150 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000000 A 16:26:59 Magnet Current for MAIN, Imag = -0.0149 A Vtrans = -0.000149 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000000 A 16:27:00 Magnet Current for MAIN, Imag = -0.0145 A Vtrans = -0.000145 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000000 A 16:27:00 Magnet Current for MAIN, Imag = -0.0146 A Vtrans = -0.000146 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000000 A 16:27:01 Magnet Current for MAIN, Imag = -0.0143 A Vtrans = -0.000143 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000000 A 16:27:02 Magnet Current for MAIN, Imag = -0.0142 A Vtrans = -0.000142 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000000 A 16:27:02 Magnet Avgerage Current Measurement for MAIN : Imag = -0.0147 +- 0.0003 A 16:27:35 Initial Zero Current Measurement for MAIN, Imag_zero = -0.014719 A 16:27:35 Ambient Measurement Device(s) Being Used, type = None 16:27:35 Magnet Voltage Measurement Device(s) Being Used, type = HP34970 16:27:36 Temperature Measurement Device(s) Being Used, type = HPTHERM_HP34970 16:27:36 XMAG Device(s) Being Used, type = None 16:27:36 Ambient Measurement Device(s) Being Used, type = HP34970 16:27:36 Magnet system MAIN current ramping to 120.0000 A... 16:28:01 Magnet system MAIN current ramping to -120.0700 A... 16:28:51 Position moved: 0.000000 m 16:28:53 Magnet system MAIN current ramping to 0.0000 A... 16:29:18 Magnet system MAIN current ramping to -60.0000 A... 16:29:31 Magnet system MAIN current ramping to 53.4000 A... 16:29:55 Magnet system MAIN current ramping to -47.5260 A... 16:30:16 Magnet system MAIN current ramping to 42.2981 A... 16:30:35 Magnet system MAIN current ramping to -37.6453 A... 16:30:52 Magnet system MAIN current ramping to 33.5044 A... 16:31:07 Magnet system MAIN current ramping to -29.8189 A... 16:31:21 Magnet system MAIN current ramping to 26.5388 A... 16:31:34 Magnet system MAIN current ramping to -23.6195 A... 16:31:46 Magnet system MAIN current ramping to 21.0214 A... 16:31:56 Magnet system MAIN current ramping to -18.7090 A... 16:32:06 Magnet system MAIN current ramping to 16.6510 A... 16:32:15 Magnet system MAIN current ramping to -14.8194 A... 16:32:23 Magnet system MAIN current ramping to 13.1893 A... 16:32:30 Magnet system MAIN current ramping to -11.7385 A... 16:32:37 Magnet system MAIN current ramping to 10.4472 A... 16:32:43 Magnet system MAIN current ramping to -9.2980 A... 16:32:49 Magnet system MAIN current ramping to 8.2752 A... 16:32:55 Magnet system MAIN current ramping to -7.3650 A... 16:33:00 Magnet system MAIN current ramping to 6.5548 A... 16:33:05 Magnet system MAIN current ramping to -5.8338 A... 16:33:10 Magnet system MAIN current ramping to 5.1921 A... 16:33:14 Magnet system MAIN current ramping to -4.6209 A... 16:33:18 Magnet system MAIN current ramping to 4.1127 A... 16:33:22 Magnet system MAIN current ramping to -3.6603 A... 16:33:25 Magnet system MAIN current ramping to 3.2576 A... 16:33:29 Magnet system MAIN current ramping to -2.8993 A... 16:33:32 Magnet system MAIN current ramping to 2.5804 A... 16:33:36 Magnet system MAIN current ramping to -2.2965 A... 16:33:39 Magnet system MAIN current ramping to 2.0439 A... 16:33:42 Magnet system MAIN current ramping to -1.8191 A... 16:33:45 Magnet system MAIN current ramping to 1.6190 A... 16:33:48 Magnet system MAIN current ramping to -1.4409 A... 16:33:51 Magnet system MAIN current ramping to 1.2824 A... 16:33:53 Magnet system MAIN current ramping to -1.1413 A... 16:33:56 Magnet system MAIN current ramping to 1.0158 A... 16:33:59 Magnet system MAIN current ramping to -0.9041 A... 16:34:02 Magnet system MAIN current ramping to 0.8046 A... 16:34:04 Magnet system MAIN current ramping to -0.7161 A... 16:34:07 Magnet system MAIN current ramping to 0.6373 A... 16:34:09 Magnet system MAIN current ramping to -0.5672 A... 16:34:12 Magnet system MAIN current ramping to 0.5048 A... 16:34:14 Magnet system MAIN current ramping to -0.4493 A... 16:34:16 Magnet system MAIN current ramping to 0.3999 A... 16:34:19 Magnet system MAIN current ramping to -0.3559 A... 16:34:21 Magnet system MAIN current ramping to 0.3167 A... 16:34:24 Magnet system MAIN current ramping to -0.2819 A... 16:34:26 Magnet system MAIN current ramping to 0.2509 A... 16:34:28 Magnet system MAIN current ramping to -0.2233 A... 16:34:31 Magnet system MAIN current ramping to 0.1987 A... 16:34:33 Magnet system MAIN current ramping to -0.1769 A... 16:34:36 Magnet system MAIN current ramping to 0.0000 A... 16:49:19 Magnet Current for MAIN, Imag = 0.0219 A Vtrans = 0.000071 V, Factor V/A = 0.010000 V/A, Zero Current = -0.014719 A 16:49:19 Main (V) Voltage Measurement, V = 0.001000 V 16:49:20 Temperature Measurement, Probe Number = 0, T = 26.941000 C 16:49:27 Temperature Measurement, Probe Number = 1, T = 27.885000 C 16:49:27 Temperature Measurement, Probe Number = 2, T = 28.186000 C 16:49:28 Temperature Measurement, Probe Number = 3, T = 29.138000 C 16:49:28 Temperature Measurement, Probe Number = 4, T = 28.921000 C 16:49:29 Temperature Measurement, Probe Number = 5, T = 26.719000 C 16:49:30 Sensor Voltage Measurement, Sensor Number = 0, V = 2.648332 V 16:49:30 Sensor Measurement, Sensor Number = 0, Sensor Type = WATER_HPASHCROFT_P Raw Sensor Output = 2.648332 (V, A, ohm, ...), Measured Value = 123.624908 (C, atm, Hz, ...) 16:49:30 Sensor Voltage Measurement, Sensor Number = 1, V = 1.162269 V 16:49:30 Sensor Measurement, Sensor Number = 1, Sensor Type = WATER_HPASHCROFT_P Raw Sensor Output = 1.162269 (V, A, ohm, ...), Measured Value = 12.170153 (C, atm, Hz, ...) 16:49:31 Sensor Voltage Measurement, Sensor Number = 2, V = 0.000641 V 16:49:31 Sensor Measurement, Sensor Number = 2, Sensor Type = WATER_KEYENCE_FLOW Raw Sensor Output = 0.000641 (V, A, ohm, ...), Measured Value = 0.640675 (C, atm, Hz, ...) 16:49:31 Magnet Test Parameter Measurements P0 = MAIN, Value = 0.02 P1 = Main (V), Value = 0.00 P2 = Core_Top, Value = 26.94 P3 = Top_Coil_Trim, Value = 27.89 P4 = Side_Coil, Value = 28.19 P5 = H2O_Supply, Value = 29.14 P6 = H2O_Return, Value = 28.92 P7 = Ambient, Value = 26.72 P8 = Supply_Pres, Value = 123.62 P9 = Return_Pres, Value = 12.17 P10 = Flow_Rate, Value = 0.64 16:49:31 Magnetic Field Measurement Measuring the magnet strength... 16:49:31 Integrated Voltage Measurement... 16:49:32 Magnet Current for MAIN, Imag = 0.0221 A Vtrans = 0.000073 V, Factor V/A = 0.010000 V/A, Zero Current = -0.014719 A 16:49:40 Voltage Offset Correction: v_off_ini = -0.000001828 V, v_off_fin = -0.000001893 V 16:49:41 Integrated Voltage Measurement X0 = 0.0000000 m, Delta X = 0.0050000 m VT = 0.000001453 Vs 16:49:48 Voltage Offset Correction: v_off_ini = -0.000002015 V, v_off_fin = -0.000002310 V 16:49:48 Integrated Voltage Measurement X0 = 0.0000000 m, Delta X = -0.0050000 m VT = -0.000001746 Vs 16:49:49 Magnet Current for MAIN, Imag = 0.0218 A Vtrans = 0.000071 V, Factor V/A = 0.010000 V/A, Zero Current = -0.014719 A 16:49:57 Voltage Offset Correction: v_off_ini = -0.000001707 V, v_off_fin = -0.000001706 V 16:49:57 Integrated Voltage Measurement X0 = 0.0000000 m, Delta X = 0.0050000 m VT = 0.000001762 Vs 16:50:05 Voltage Offset Correction: v_off_ini = -0.000001754 V, v_off_fin = -0.000001927 V 16:50:05 Integrated Voltage Measurement X0 = 0.0000000 m, Delta X = -0.0050000 m VT = -0.000001690 Vs 16:50:05 Magnet Current for MAIN, Imag = 0.0225 A Vtrans = 0.000078 V, Factor V/A = 0.010000 V/A, Zero Current = -0.014719 A 16:50:13 Voltage Offset Correction: v_off_ini = -0.000001988 V, v_off_fin = -0.000002582 V 16:50:13 Integrated Voltage Measurement X0 = 0.0000000 m, Delta X = 0.0050000 m VT = 0.000001821 Vs 16:50:21 Voltage Offset Correction: v_off_ini = -0.000001937 V, v_off_fin = -0.000001625 V 16:50:21 Integrated Voltage Measurement X0 = 0.0000000 m, Delta X = -0.0050000 m VT = -0.000002036 Vs 16:50:21 Magnet Current for MAIN, Imag = 0.0218 A Vtrans = 0.000071 V, Factor V/A = 0.010000 V/A, Zero Current = -0.014719 A 16:50:33 Voltage Offset Correction: v_off_ini = -0.000002225 V, v_off_fin = -0.000002113 V 16:50:33 Integrated Voltage Measurement X0 = 0.0000000 m, Delta X = 0.0050000 m VT = 0.000001709 Vs 16:50:40 Voltage Offset Correction: v_off_ini = -0.000002334 V, v_off_fin = -0.000002148 V 16:50:40 Integrated Voltage Measurement X0 = 0.0000000 m, Delta X = -0.0050000 m VT = -0.000001534 Vs 16:50:40 Integrated Voltage Average and RMS of Measurements X0 = 0.0000000 m, Delta X = 0.0050000 m VT = 0.000001719 +- 0.000000130 Vs 16:50:40 Integrated Field Strength, Average and RMS of Measurements X0 = 0.0000000 m, dx = 0.0050000 m, Nturns = 10.0 VT = 0.000001719 +- 0.000000130 Vs BL = 0.00003438 +- 0.00000260 Tm 16:50:44 Position moved: 0.000000 m 16:50:44 BL vs X Fit Coefficients: Cn sigCn n (Tm/m^n) ----- --------+-------- 0 0.00003 0.00000 Compute Fit Residuals: X0 BL sigBL BLfit BL-BLfit (m) (Tm) (Tm) (Tm) (Tm) ----------- --------+-------- -------- -------- 0.0000000 0.00003 0.00000 0.00003 0.00000 16:50:44 Magnet Strength Calculation Harmonic Number = 1 Number Of X0 Positions = 1 X0 BL sigBL (m) (Tm) (Tm) -------- --------+-------- 0.0000 0.00003 0.00000 SL = 0.0000344 +- 0.0000026 Tm^2/m^n 16:50:44 Magnet Strength Measurement Harmonic Number = 1 SL = 0.0000344 +- 0.0000026 Tm^2/m^n 16:50:47 Position moved: 0.000000 m 16:50:50 Position moved: 0.000000 m 16:50:53 Magnet system MAIN current ramping to 0.0000 A...