SLAC Magnetic Measurements Date: 10-16-2018 Time: 10:43:37 Project: LCLS-II Magnet Type: Dipole Magnet Name: 3D8.8 Serial Number: 17 Run Number: 6 Measurement Device: 10wire Operator: sda Comment: Degauss proceedure 6 Amp max, f = 0.88 with 51 points. 6 A/sec ramp, 2 sec wait, no stdz Test Currents for MAIN (A): 6.00 -5.28 4.65 -4.09 3.60 -3.17 2.79 -2.45 2.16 -1.90 1.67 -1.47 1.29 -1.14 1.00 -0.88 0.78 -0.68 0.60 -0.53 0.47 -0.41 0.36 -0.32 0.28 -0.25 0.22 -0.19 0.17 -0.15 0.13 -0.11 0.10 -0.09 0.08 -0.07 0.06 -0.05 0.05 -0.04 0.04 -0.03 0.03 -0.02 0.02 -0.02 0.02 -0.01 0.01 -0.01 0.00 10:44:11 Position moved: 0.000000 m 10:44:39 Magnet Current for MAIN, Imag = 0.0013 A Vtrans = 0.000111 V, Factor V/A = 0.083333 V/A, Zero Current = 0.000000 A 10:44:39 Magnet Current for MAIN, Imag = 0.0013 A Vtrans = 0.000111 V, Factor V/A = 0.083333 V/A, Zero Current = 0.000000 A 10:44:40 Magnet Current for MAIN, Imag = 0.0013 A Vtrans = 0.000112 V, Factor V/A = 0.083333 V/A, Zero Current = 0.000000 A 10:44:41 Magnet Current for MAIN, Imag = 0.0013 A Vtrans = 0.000111 V, Factor V/A = 0.083333 V/A, Zero Current = 0.000000 A 10:44:41 Magnet Avgerage Current Measurement for MAIN : Imag = 0.0013 +- 0.0000 A 10:44:54 Initial Zero Current Measurement for MAIN, Imag_zero = 0.00133754 A 10:44:54 Ambient Measurement Device(s) Being Used, type = None 10:44:54 Magnet Voltage Measurement Device(s) Being Used, type = HP34970 10:44:55 Temperature Measurement Device(s) Being Used, type = HPTHERM_HP34970 10:44:55 XMAG Device(s) Being Used, type = None 10:44:55 Ambient Measurement Device(s) Being Used, type = None 10:44:57 Position moved: 0.000000 m 10:45:00 Magnet system MAIN current ramping to 6.0000 A... 10:45:05 Magnet system MAIN current ramping to -5.2800 A... 10:45:13 Magnet system MAIN current ramping to 4.6464 A... 10:45:20 Magnet system MAIN current ramping to -4.0888 A... 10:45:26 Magnet system MAIN current ramping to 3.5982 A... 10:45:32 Magnet system MAIN current ramping to -3.1664 A... 10:45:37 Magnet system MAIN current ramping to 2.7864 A... 10:45:42 Magnet system MAIN current ramping to -2.4521 A... 10:45:47 Magnet system MAIN current ramping to 2.1578 A... 10:45:51 Magnet system MAIN current ramping to -1.8989 A... 10:45:55 Magnet system MAIN current ramping to 1.6710 A... 10:45:59 Magnet system MAIN current ramping to -1.4705 A... 10:46:03 Magnet system MAIN current ramping to 1.2940 A... 10:46:07 Magnet system MAIN current ramping to -1.1387 A... 10:46:10 Magnet system MAIN current ramping to 1.0021 A... 10:46:13 Magnet system MAIN current ramping to -0.8818 A... 10:46:17 Magnet system MAIN current ramping to 0.7760 A... 10:46:20 Magnet system MAIN current ramping to -0.6829 A... 10:46:23 Magnet system MAIN current ramping to 0.6010 A... 10:46:25 Magnet system MAIN current ramping to -0.5288 A... 10:46:28 Magnet system MAIN current ramping to 0.4654 A... 10:46:31 Magnet system MAIN current ramping to -0.4095 A... 10:46:34 Magnet system MAIN current ramping to 0.3604 A... 10:46:36 Magnet system MAIN current ramping to -0.3171 A... 10:46:39 Magnet system MAIN current ramping to 0.2791 A... 10:46:42 Magnet system MAIN current ramping to -0.2456 A... 10:46:44 Magnet system MAIN current ramping to 0.2161 A... 10:46:46 Magnet system MAIN current ramping to -0.1902 A... 10:46:49 Magnet system MAIN current ramping to 0.1674 A... 10:46:51 Magnet system MAIN current ramping to -0.1473 A... 10:46:54 Magnet system MAIN current ramping to 0.1296 A... 10:46:56 Magnet system MAIN current ramping to -0.1141 A... 10:46:59 Magnet system MAIN current ramping to 0.1004 A... 10:47:01 Magnet system MAIN current ramping to -0.0883 A... 10:47:03 Magnet system MAIN current ramping to 0.0777 A... 10:47:06 Magnet system MAIN current ramping to -0.0684 A... 10:47:08 Magnet system MAIN current ramping to 0.0602 A... 10:47:11 Magnet system MAIN current ramping to -0.0530 A... 10:47:13 Magnet system MAIN current ramping to 0.0466 A... 10:47:16 Magnet system MAIN current ramping to -0.0410 A... 10:47:18 Magnet system MAIN current ramping to 0.0361 A... 10:47:20 Magnet system MAIN current ramping to -0.0318 A... 10:47:23 Magnet system MAIN current ramping to 0.0280 A... 10:47:25 Magnet system MAIN current ramping to -0.0246 A... 10:47:28 Magnet system MAIN current ramping to 0.0216 A... 10:47:30 Magnet system MAIN current ramping to -0.0190 A... 10:47:33 Magnet system MAIN current ramping to 0.0168 A... 10:47:35 Magnet system MAIN current ramping to -0.0148 A... 10:47:37 Magnet system MAIN current ramping to 0.0130 A... 10:47:40 Magnet system MAIN current ramping to -0.0114 A... 10:47:42 Magnet system MAIN current ramping to 0.0000 A... 10:54:40 Magnet Current for MAIN, Imag = 0.0000 A Vtrans = 0.000113 V, Factor V/A = 0.083333 V/A, Zero Current = 0.001338 A 10:54:40 MAIN (V) Voltage Measurement, V = -0.000027 V 10:54:41 Temperature Measurement, Probe Number = 0, T = 20.697000 C 10:54:42 Temperature Measurement, Probe Number = 1, T = 20.600000 C 10:54:42 Temperature Measurement, Probe Number = 2, T = 22.699000 C 10:54:42 Magnet Test Parameter Measurements P0 = MAIN, Value = 0.00 P1 = MAIN (V), Value = -0.00 P2 = Steel (C), Value = 20.70 P3 = Coil (C), Value = 20.60 P4 = Ambient Temp (C), Value = 22.70 10:54:42 Magnetic Field Measurement Measuring the magnet strength... 10:54:42 Integrated Voltage Measurement... 10:54:43 Magnet Current for MAIN, Imag = 0.0000 A Vtrans = 0.000113 V, Factor V/A = 0.083333 V/A, Zero Current = 0.001338 A 10:54:52 Integrated Voltage Measurement X0 = 0.0000000 m, Delta X = 0.0090000 m VT = 0.000000092 Vs 10:55:00 Integrated Voltage Measurement X0 = 0.0000000 m, Delta X = -0.0090000 m VT = -0.000004962 Vs 10:55:01 Magnet Current for MAIN, Imag = 0.0000 A Vtrans = 0.000113 V, Factor V/A = 0.083333 V/A, Zero Current = 0.001338 A 10:55:09 Integrated Voltage Measurement X0 = 0.0000000 m, Delta X = 0.0090000 m VT = 0.000000221 Vs 10:55:16 Integrated Voltage Measurement X0 = 0.0000000 m, Delta X = -0.0090000 m VT = -0.000006011 Vs 10:55:17 Magnet Current for MAIN, Imag = 0.0000 A Vtrans = 0.000113 V, Factor V/A = 0.083333 V/A, Zero Current = 0.001338 A 10:55:25 Integrated Voltage Measurement X0 = 0.0000000 m, Delta X = 0.0090000 m VT = -0.000000293 Vs 10:55:33 Integrated Voltage Measurement X0 = 0.0000000 m, Delta X = -0.0090000 m VT = -0.000006344 Vs 10:55:33 Magnet Current for MAIN, Imag = 0.0000 A Vtrans = 0.000113 V, Factor V/A = 0.083333 V/A, Zero Current = 0.001338 A 10:55:41 Integrated Voltage Measurement X0 = 0.0000000 m, Delta X = 0.0090000 m VT = 0.000000652 Vs 10:55:49 Integrated Voltage Measurement X0 = 0.0000000 m, Delta X = -0.0090000 m VT = -0.000005430 Vs 10:55:49 Integrated Voltage Average and RMS of Measurements X0 = 0.0000000 m, Delta X = 0.0090000 m VT = 0.000002927 +- 0.000000234 Vs 10:55:49 Integrated Field Strength, Average and RMS of Measurements X0 = 0.0000000 m, dx = 0.0090000 m, Nturns = 10.0 VT = 0.000002927 +- 0.000000234 Vs BL = 0.00003253 +- 0.00000260 Tm 10:55:53 Position moved: 0.000000 m 10:55:53 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 10:55:53 Magnet Strength Calculation Harmonic Number = 1 Number Of X0 Positions = 1 X0 BL sigBL (m) (Tm) (Tm) -------- --------+-------- 0.0000 0.00003 0.00000 SL = 0.0000325 +- 0.0000026 Tm^2/m^n 10:55:53 Magnet Strength Measurement Harmonic Number = 1 SL = 0.0000325 +- 0.0000026 Tm^2/m^n 10:55:56 Position moved: 0.000000 m