SLAC Magnetic Measurements Date: 07-26-2024 Time: 15:43:35 Project: LCLS-II-HE Magnet Type: Dipole Magnet Name: 4591 Serial Number: 1 Run Number: 19 Measurement Device: 10wire Operator: sda Comment: Degauss Currents f = 0.86 totals point = 51 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 51.60 -44.38 38.16 -32.82 28.23 -24.27 20.88 -17.95 15.44 -13.28 11.42 -9.82 8.45 -7.26 6.25 -5.37 4.62 -3.97 3.42 -2.94 2.53 -2.17 1.87 -1.61 1.38 -1.19 1.02 -0.88 0.76 -0.65 0.56 -0.48 0.41 -0.36 0.31 -0.26 0.23 -0.19 0.17 -0.14 0.12 -0.11 0.09 -0.08 0.07 -0.06 0.05 -0.04 0.00 15:44:01 Position moved: 0.000000 m 15:44:04 Magnet Current for MAIN, Imag = 0.0003 A Vtrans = 0.000003 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000000 A 15:44:05 Magnet Current for MAIN, Imag = 0.0004 A Vtrans = 0.000004 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000000 A 15:44:05 Magnet Current for MAIN, Imag = 0.0004 A Vtrans = 0.000004 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000000 A 15:44:06 Magnet Current for MAIN, Imag = 0.0004 A Vtrans = 0.000004 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000000 A 15:44:07 Magnet Current for MAIN, Imag = 0.0003 A Vtrans = 0.000003 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000000 A 15:44:07 Magnet Current for MAIN, Imag = 0.0004 A Vtrans = 0.000004 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000000 A 15:44:08 Magnet Current for MAIN, Imag = 0.0004 A Vtrans = 0.000004 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000000 A 15:44:09 Magnet Current for MAIN, Imag = 0.0004 A Vtrans = 0.000004 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000000 A 15:44:09 Magnet Current for MAIN, Imag = 0.0004 A Vtrans = 0.000004 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000000 A 15:44:10 Magnet Current for MAIN, Imag = 0.0004 A Vtrans = 0.000004 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000000 A 15:44:10 Magnet Avgerage Current Measurement for MAIN : Imag = 0.0004 +- 0.0000 A 15:44:33 Initial Zero Current Measurement for MAIN, Imag_zero = 0.0003896 A 15:44:33 Ambient Measurement Device(s) Being Used, type = None 15:44:34 Magnet Voltage Measurement Device(s) Being Used, type = HP34970 15:44:34 Temperature Measurement Device(s) Being Used, type = HPTHERM_HP34970 15:44:34 XMAG Device(s) Being Used, type = None 15:44:34 Ambient Measurement Device(s) Being Used, type = HP34970 15:44:34 Magnet system MAIN current ramping to 120.0000 A... 15:44:59 Magnet system MAIN current ramping to -120.0700 A... 15:45:49 Position moved: 0.000000 m 15:45:51 Magnet system MAIN current ramping to 0.0000 A... 15:46:16 Magnet system MAIN current ramping to -60.0000 A... 15:46:30 Magnet system MAIN current ramping to 51.6000 A... 15:46:53 Magnet system MAIN current ramping to -44.3760 A... 15:47:13 Magnet system MAIN current ramping to 38.1634 A... 15:47:30 Magnet system MAIN current ramping to -32.8205 A... 15:47:46 Magnet system MAIN current ramping to 28.2256 A... 15:48:00 Magnet system MAIN current ramping to -24.2740 A... 15:48:12 Magnet system MAIN current ramping to 20.8757 A... 15:48:22 Magnet system MAIN current ramping to -17.9531 A... 15:48:32 Magnet system MAIN current ramping to 15.4397 A... 15:48:40 Magnet system MAIN current ramping to -13.2781 A... 15:48:48 Magnet system MAIN current ramping to 11.4192 A... 15:48:55 Magnet system MAIN current ramping to -9.8205 A... 15:49:01 Magnet system MAIN current ramping to 8.4456 A... 15:49:07 Magnet system MAIN current ramping to -7.2632 A... 15:49:12 Magnet system MAIN current ramping to 6.2464 A... 15:49:17 Magnet system MAIN current ramping to -5.3719 A... 15:49:21 Magnet system MAIN current ramping to 4.6198 A... 15:49:25 Magnet system MAIN current ramping to -3.9730 A... 15:49:29 Magnet system MAIN current ramping to 3.4168 A... 15:49:33 Magnet system MAIN current ramping to -2.9385 A... 15:49:36 Magnet system MAIN current ramping to 2.5271 A... 15:49:39 Magnet system MAIN current ramping to -2.1733 A... 15:49:42 Magnet system MAIN current ramping to 1.8690 A... 15:49:45 Magnet system MAIN current ramping to -1.6074 A... 15:49:48 Magnet system MAIN current ramping to 1.3823 A... 15:49:51 Magnet system MAIN current ramping to -1.1888 A... 15:49:54 Magnet system MAIN current ramping to 1.0224 A... 15:49:57 Magnet system MAIN current ramping to -0.8792 A... 15:49:59 Magnet system MAIN current ramping to 0.7561 A... 15:50:02 Magnet system MAIN current ramping to -0.6503 A... 15:50:04 Magnet system MAIN current ramping to 0.5593 A... 15:50:07 Magnet system MAIN current ramping to -0.4809 A... 15:50:09 Magnet system MAIN current ramping to 0.4136 A... 15:50:11 Magnet system MAIN current ramping to -0.3557 A... 15:50:14 Magnet system MAIN current ramping to 0.3059 A... 15:50:16 Magnet system MAIN current ramping to -0.2631 A... 15:50:19 Magnet system MAIN current ramping to 0.2263 A... 15:50:21 Magnet system MAIN current ramping to -0.1946 A... 15:50:23 Magnet system MAIN current ramping to 0.1673 A... 15:50:26 Magnet system MAIN current ramping to -0.1439 A... 15:50:28 Magnet system MAIN current ramping to 0.1238 A... 15:50:31 Magnet system MAIN current ramping to -0.1064 A... 15:50:33 Magnet system MAIN current ramping to 0.0915 A... 15:50:35 Magnet system MAIN current ramping to -0.0787 A... 15:50:38 Magnet system MAIN current ramping to 0.0677 A... 15:50:40 Magnet system MAIN current ramping to -0.0582 A... 15:50:43 Magnet system MAIN current ramping to 0.0501 A... 15:50:45 Magnet system MAIN current ramping to -0.0431 A... 15:50:47 Magnet system MAIN current ramping to 0.0000 A... 15:50:51 Magnet Current for MAIN, Imag = 0.0184 A Vtrans = 0.000188 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000390 A 15:50:51 Main (V) Voltage Measurement, V = 0.000993 V 15:50:52 Temperature Measurement, Probe Number = 0, T = 27.985000 C 15:50:59 Temperature Measurement, Probe Number = 1, T = 29.023000 C 15:50:59 Temperature Measurement, Probe Number = 2, T = 29.021000 C 15:51:00 Temperature Measurement, Probe Number = 3, T = 29.436000 C 15:51:00 Temperature Measurement, Probe Number = 4, T = 29.787000 C 15:51:01 Temperature Measurement, Probe Number = 5, T = 28.363000 C 15:51:02 Sensor Voltage Measurement, Sensor Number = 0, V = 2.658862 V 15:51:02 Sensor Measurement, Sensor Number = 0, Sensor Type = WATER_HPASHCROFT_P Raw Sensor Output = 2.658862 (V, A, ohm, ...), Measured Value = 124.414657 (C, atm, Hz, ...) 15:51:02 Sensor Voltage Measurement, Sensor Number = 1, V = 1.162878 V 15:51:02 Sensor Measurement, Sensor Number = 1, Sensor Type = WATER_HPASHCROFT_P Raw Sensor Output = 1.162878 (V, A, ohm, ...), Measured Value = 12.215857 (C, atm, Hz, ...) 15:51:03 Sensor Voltage Measurement, Sensor Number = 2, V = 0.000620 V 15:51:03 Sensor Measurement, Sensor Number = 2, Sensor Type = WATER_KEYENCE_FLOW Raw Sensor Output = 0.000620 (V, A, ohm, ...), Measured Value = 0.620435 (C, atm, Hz, ...) 15:51:03 Magnet Test Parameter Measurements P0 = MAIN, Value = 0.02 P1 = Main (V), Value = 0.00 P2 = Core_Top, Value = 27.98 P3 = Top_Coil_Trim, Value = 29.02 P4 = Side_Coil, Value = 29.02 P5 = H2O_Supply, Value = 29.44 P6 = H2O_Return, Value = 29.79 P7 = Ambient, Value = 28.36 P8 = Supply_Pres, Value = 124.41 P9 = Return_Pres, Value = 12.22 P10 = Flow_Rate, Value = 0.62 15:51:03 Magnetic Field Measurement Measuring the magnet strength... 15:51:03 Integrated Voltage Measurement... 15:51:04 Magnet Current for MAIN, Imag = 0.0184 A Vtrans = 0.000188 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000390 A 15:51:12 Voltage Offset Correction: v_off_ini = -0.000002176 V, v_off_fin = -0.000002222 V 15:51:12 Integrated Voltage Measurement X0 = 0.0000000 m, Delta X = 0.0050000 m VT = 0.000002190 Vs 15:51:20 Voltage Offset Correction: v_off_ini = -0.000002521 V, v_off_fin = -0.000002140 V 15:51:20 Integrated Voltage Measurement X0 = 0.0000000 m, Delta X = -0.0050000 m VT = -0.000002654 Vs 15:51:21 Magnet Current for MAIN, Imag = 0.0185 A Vtrans = 0.000189 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000390 A 15:51:28 Voltage Offset Correction: v_off_ini = -0.000002503 V, v_off_fin = -0.000002450 V 15:51:28 Integrated Voltage Measurement X0 = 0.0000000 m, Delta X = 0.0050000 m VT = 0.000002405 Vs 15:51:36 Voltage Offset Correction: v_off_ini = -0.000002297 V, v_off_fin = -0.000001926 V 15:51:36 Integrated Voltage Measurement X0 = 0.0000000 m, Delta X = -0.0050000 m VT = -0.000002584 Vs 15:51:37 Magnet Current for MAIN, Imag = 0.0185 A Vtrans = 0.000188 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000390 A 15:51:44 Voltage Offset Correction: v_off_ini = -0.000002251 V, v_off_fin = -0.000002167 V 15:51:44 Integrated Voltage Measurement X0 = 0.0000000 m, Delta X = 0.0050000 m VT = 0.000002492 Vs 15:51:52 Voltage Offset Correction: v_off_ini = -0.000002333 V, v_off_fin = -0.000002590 V 15:51:52 Integrated Voltage Measurement X0 = 0.0000000 m, Delta X = -0.0050000 m VT = -0.000002595 Vs 15:51:53 Magnet Current for MAIN, Imag = 0.0185 A Vtrans = 0.000189 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000390 A 15:52:01 Voltage Offset Correction: v_off_ini = -0.000002037 V, v_off_fin = -0.000001980 V 15:52:01 Integrated Voltage Measurement X0 = 0.0000000 m, Delta X = 0.0050000 m VT = 0.000002422 Vs 15:52:08 Voltage Offset Correction: v_off_ini = -0.000002198 V, v_off_fin = -0.000001892 V 15:52:08 Integrated Voltage Measurement X0 = 0.0000000 m, Delta X = -0.0050000 m VT = -0.000002468 Vs 15:52:08 Integrated Voltage Average and RMS of Measurements X0 = 0.0000000 m, Delta X = 0.0050000 m VT = 0.000002476 +- 0.000000047 Vs 15:52:08 Integrated Field Strength, Average and RMS of Measurements X0 = 0.0000000 m, dx = 0.0050000 m, Nturns = 10.0 VT = 0.000002476 +- 0.000000047 Vs BL = 0.00004952 +- 0.00000094 Tm 15:52:12 Position moved: 0.000000 m 15:52:12 BL vs X Fit Coefficients: Cn sigCn n (Tm/m^n) ----- --------+-------- 0 0.00005 0.00000 Compute Fit Residuals: X0 BL sigBL BLfit BL-BLfit (m) (Tm) (Tm) (Tm) (Tm) ----------- --------+-------- -------- -------- 0.0000000 0.00005 0.00000 0.00005 0.00000 15:52:12 Magnet Strength Calculation Harmonic Number = 1 Number Of X0 Positions = 1 X0 BL sigBL (m) (Tm) (Tm) -------- --------+-------- 0.0000 0.00005 0.00000 SL = 0.0000495 +- 0.0000009 Tm^2/m^n 15:52:12 Magnet Strength Measurement Harmonic Number = 1 SL = 0.0000495 +- 0.0000009 Tm^2/m^n 15:52:15 Position moved: 0.000000 m 15:52:18 Position moved: 0.000000 m 15:52:20 Magnet system MAIN current ramping to 0.0000 A...