SLAC Magnetic Measurements Date: 07-26-2024 Time: 15:58:03 Project: LCLS-II-HE Magnet Type: Dipole Magnet Name: 4591 Serial Number: 1 Run Number: 20 Measurement Device: 10wire Operator: sda Comment: Degauss Currents f = 0.9 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 54.00 -48.60 43.74 -39.37 35.43 -31.89 28.70 -25.83 23.25 -20.92 18.83 -16.95 15.25 -13.73 12.35 -11.12 10.01 -9.01 8.11 -7.29 6.57 -5.91 5.32 -4.79 4.31 -3.88 3.49 -3.14 2.83 -2.54 2.29 -2.06 1.85 -1.67 1.50 -1.35 1.22 -1.09 0.99 -0.89 0.80 -0.72 0.65 -0.58 0.52 -0.47 0.42 -0.38 0.00 15:58:29 Position moved: 0.000000 m 15:58:31 Magnet Current for MAIN, Imag = 0.0003 A Vtrans = 0.000003 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000000 A 15:58:32 Magnet Current for MAIN, Imag = 0.0004 A Vtrans = 0.000004 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000000 A 15:58:33 Magnet Current for MAIN, Imag = 0.0004 A Vtrans = 0.000004 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000000 A 15:58:33 Magnet Current for MAIN, Imag = 0.0004 A Vtrans = 0.000004 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000000 A 15:58:34 Magnet Current for MAIN, Imag = 0.0005 A Vtrans = 0.000005 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000000 A 15:58:34 Magnet Current for MAIN, Imag = 0.0004 A Vtrans = 0.000004 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000000 A 15:58:35 Magnet Current for MAIN, Imag = 0.0004 A Vtrans = 0.000004 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000000 A 15:58:36 Magnet Current for MAIN, Imag = 0.0005 A Vtrans = 0.000005 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000000 A 15:58:36 Magnet Current for MAIN, Imag = 0.0004 A Vtrans = 0.000004 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000000 A 15:58:37 Magnet Current for MAIN, Imag = 0.0005 A Vtrans = 0.000005 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000000 A 15:58:37 Magnet Avgerage Current Measurement for MAIN : Imag = 0.0004 +- 0.0000 A 15:58:55 Initial Zero Current Measurement for MAIN, Imag_zero = 0.00042606 A 15:58:55 Ambient Measurement Device(s) Being Used, type = None 15:58:55 Magnet Voltage Measurement Device(s) Being Used, type = HP34970 15:58:56 Temperature Measurement Device(s) Being Used, type = HPTHERM_HP34970 15:58:56 XMAG Device(s) Being Used, type = None 15:58:56 Ambient Measurement Device(s) Being Used, type = HP34970 15:58:56 Magnet system MAIN current ramping to 120.0000 A... 15:59:21 Magnet system MAIN current ramping to -120.0700 A... 16:00:10 Position moved: 0.000000 m 16:00:13 Magnet system MAIN current ramping to 0.0000 A... 16:00:38 Magnet system MAIN current ramping to -60.0000 A... 16:00:51 Magnet system MAIN current ramping to 54.0000 A... 16:01:15 Magnet system MAIN current ramping to -48.6000 A... 16:01:36 Magnet system MAIN current ramping to 43.7400 A... 16:01:56 Magnet system MAIN current ramping to -39.3660 A... 16:02:14 Magnet system MAIN current ramping to 35.4294 A... 16:02:30 Magnet system MAIN current ramping to -31.8865 A... 16:02:44 Magnet system MAIN current ramping to 28.6978 A... 16:02:58 Magnet system MAIN current ramping to -25.8280 A... 16:03:10 Magnet system MAIN current ramping to 23.2452 A... 16:03:22 Magnet system MAIN current ramping to -20.9207 A... 16:03:32 Magnet system MAIN current ramping to 18.8286 A... 16:03:42 Magnet system MAIN current ramping to -16.9458 A... 16:03:51 Magnet system MAIN current ramping to 15.2512 A... 16:03:59 Magnet system MAIN current ramping to -13.7261 A... 16:04:07 Magnet system MAIN current ramping to 12.3535 A... 16:04:14 Magnet system MAIN current ramping to -11.1181 A... 16:04:21 Magnet system MAIN current ramping to 10.0063 A... 16:04:27 Magnet system MAIN current ramping to -9.0057 A... 16:04:33 Magnet system MAIN current ramping to 8.1051 A... 16:04:38 Magnet system MAIN current ramping to -7.2946 A... 16:04:43 Magnet system MAIN current ramping to 6.5651 A... 16:04:48 Magnet system MAIN current ramping to -5.9086 A... 16:04:53 Magnet system MAIN current ramping to 5.3178 A... 16:04:57 Magnet system MAIN current ramping to -4.7860 A... 16:05:01 Magnet system MAIN current ramping to 4.3074 A... 16:05:05 Magnet system MAIN current ramping to -3.8767 A... 16:05:09 Magnet system MAIN current ramping to 3.4890 A... 16:05:13 Magnet system MAIN current ramping to -3.1401 A... 16:05:16 Magnet system MAIN current ramping to 2.8261 A... 16:05:19 Magnet system MAIN current ramping to -2.5435 A... 16:05:23 Magnet system MAIN current ramping to 2.2891 A... 16:05:26 Magnet system MAIN current ramping to -2.0602 A... 16:05:29 Magnet system MAIN current ramping to 1.8542 A... 16:05:32 Magnet system MAIN current ramping to -1.6688 A... 16:05:35 Magnet system MAIN current ramping to 1.5019 A... 16:05:38 Magnet system MAIN current ramping to -1.3517 A... 16:05:40 Magnet system MAIN current ramping to 1.2165 A... 16:05:43 Magnet system MAIN current ramping to -1.0949 A... 16:05:46 Magnet system MAIN current ramping to 0.9854 A... 16:05:49 Magnet system MAIN current ramping to -0.8869 A... 16:05:51 Magnet system MAIN current ramping to 0.7982 A... 16:05:54 Magnet system MAIN current ramping to -0.7184 A... 16:05:56 Magnet system MAIN current ramping to 0.6465 A... 16:05:59 Magnet system MAIN current ramping to -0.5819 A... 16:06:01 Magnet system MAIN current ramping to 0.5237 A... 16:06:04 Magnet system MAIN current ramping to -0.4713 A... 16:06:06 Magnet system MAIN current ramping to 0.4242 A... 16:06:08 Magnet system MAIN current ramping to -0.3818 A... 16:06:11 Magnet system MAIN current ramping to 0.0000 A... 16:06:14 Magnet Current for MAIN, Imag = 0.0185 A Vtrans = 0.000190 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000426 A 16:06:15 Main (V) Voltage Measurement, V = 0.001011 V 16:06:15 Temperature Measurement, Probe Number = 0, T = 28.077000 C 16:06:22 Temperature Measurement, Probe Number = 1, T = 29.050000 C 16:06:23 Temperature Measurement, Probe Number = 2, T = 29.037000 C 16:06:23 Temperature Measurement, Probe Number = 3, T = 29.444000 C 16:06:24 Temperature Measurement, Probe Number = 4, T = 29.787000 C 16:06:24 Temperature Measurement, Probe Number = 5, T = 28.455000 C 16:06:25 Sensor Voltage Measurement, Sensor Number = 0, V = 2.655452 V 16:06:25 Sensor Measurement, Sensor Number = 0, Sensor Type = WATER_HPASHCROFT_P Raw Sensor Output = 2.655452 (V, A, ohm, ...), Measured Value = 124.158900 (C, atm, Hz, ...) 16:06:26 Sensor Voltage Measurement, Sensor Number = 1, V = 1.163009 V 16:06:26 Sensor Measurement, Sensor Number = 1, Sensor Type = WATER_HPASHCROFT_P Raw Sensor Output = 1.163009 (V, A, ohm, ...), Measured Value = 12.225690 (C, atm, Hz, ...) 16:06:26 Sensor Voltage Measurement, Sensor Number = 2, V = 0.000610 V 16:06:26 Sensor Measurement, Sensor Number = 2, Sensor Type = WATER_KEYENCE_FLOW Raw Sensor Output = 0.000610 (V, A, ohm, ...), Measured Value = 0.609735 (C, atm, Hz, ...) 16:06:26 Magnet Test Parameter Measurements P0 = MAIN, Value = 0.02 P1 = Main (V), Value = 0.00 P2 = Core_Top, Value = 28.08 P3 = Top_Coil_Trim, Value = 29.05 P4 = Side_Coil, Value = 29.04 P5 = H2O_Supply, Value = 29.44 P6 = H2O_Return, Value = 29.79 P7 = Ambient, Value = 28.45 P8 = Supply_Pres, Value = 124.16 P9 = Return_Pres, Value = 12.23 P10 = Flow_Rate, Value = 0.61 16:06:26 Magnetic Field Measurement Measuring the magnet strength... 16:06:26 Integrated Voltage Measurement... 16:06:27 Magnet Current for MAIN, Imag = 0.0185 A Vtrans = 0.000189 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000426 A 16:06:36 Voltage Offset Correction: v_off_ini = -0.000001992 V, v_off_fin = -0.000002178 V 16:06:36 Integrated Voltage Measurement X0 = 0.0000000 m, Delta X = 0.0050000 m VT = 0.000001552 Vs 16:06:44 Voltage Offset Correction: v_off_ini = -0.000001548 V, v_off_fin = -0.000001865 V 16:06:44 Integrated Voltage Measurement X0 = 0.0000000 m, Delta X = -0.0050000 m VT = -0.000001732 Vs 16:06:44 Magnet Current for MAIN, Imag = 0.0185 A Vtrans = 0.000189 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000426 A 16:06:52 Voltage Offset Correction: v_off_ini = -0.000001726 V, v_off_fin = -0.000001620 V 16:06:52 Integrated Voltage Measurement X0 = 0.0000000 m, Delta X = 0.0050000 m VT = 0.000001585 Vs 16:07:00 Voltage Offset Correction: v_off_ini = -0.000001870 V, v_off_fin = -0.000001725 V 16:07:00 Integrated Voltage Measurement X0 = 0.0000000 m, Delta X = -0.0050000 m VT = -0.000001595 Vs 16:07:01 Magnet Current for MAIN, Imag = 0.0184 A Vtrans = 0.000188 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000426 A 16:07:08 Voltage Offset Correction: v_off_ini = -0.000001778 V, v_off_fin = -0.000001898 V 16:07:08 Integrated Voltage Measurement X0 = 0.0000000 m, Delta X = 0.0050000 m VT = 0.000001890 Vs 16:07:16 Voltage Offset Correction: v_off_ini = -0.000001944 V, v_off_fin = -0.000001618 V 16:07:16 Integrated Voltage Measurement X0 = 0.0000000 m, Delta X = -0.0050000 m VT = -0.000001627 Vs 16:07:17 Magnet Current for MAIN, Imag = 0.0185 A Vtrans = 0.000189 V, Factor V/A = 0.010000 V/A, Zero Current = 0.000426 A 16:07:24 Voltage Offset Correction: v_off_ini = -0.000002014 V, v_off_fin = -0.000001580 V 16:07:24 Integrated Voltage Measurement X0 = 0.0000000 m, Delta X = 0.0050000 m VT = 0.000001304 Vs 16:07:32 Voltage Offset Correction: v_off_ini = -0.000001961 V, v_off_fin = -0.000002437 V 16:07:32 Integrated Voltage Measurement X0 = 0.0000000 m, Delta X = -0.0050000 m VT = -0.000001687 Vs 16:07:32 Integrated Voltage Average and RMS of Measurements X0 = 0.0000000 m, Delta X = 0.0050000 m VT = 0.000001621 +- 0.000000095 Vs 16:07:32 Integrated Field Strength, Average and RMS of Measurements X0 = 0.0000000 m, dx = 0.0050000 m, Nturns = 10.0 VT = 0.000001621 +- 0.000000095 Vs BL = 0.00003243 +- 0.00000190 Tm 16:07:36 Position moved: 0.000000 m 16:07:36 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 16:07:36 Magnet Strength Calculation Harmonic Number = 1 Number Of X0 Positions = 1 X0 BL sigBL (m) (Tm) (Tm) -------- --------+-------- 0.0000 0.00003 0.00000 SL = 0.0000324 +- 0.0000019 Tm^2/m^n 16:07:36 Magnet Strength Measurement Harmonic Number = 1 SL = 0.0000324 +- 0.0000019 Tm^2/m^n 16:07:39 Position moved: 0.000000 m 16:07:42 Position moved: 0.000000 m 16:07:44 Magnet system MAIN current ramping to 0.0000 A...