SLAC Magnetic Measurements Date: 09-14-2006 Time: 14:21:36 Project: LCLS Magnet Type: corr Magnet Name: 001035 Serial Number: 1s Run Number: 4 Measurement Device: 10 wire Operator: adf Comment: Int. Strength Test for coil at 12 amps Test Currents (A): 12.0 14:21:38 Initial Zero Current Measurement, Imag_zero = 0.0000 A 14:21:58 Magnet current ramping to 12.0000 A... 14:22:13 Magnet Current, Imag = 12.1943 A Vtrans = 0.975546 V, Factor V/A = 0.080000 V/A, Zero Current = 0.000000 A 14:22:14 Magnet Current, Imag = 12.1942 A Vtrans = 0.975538 V, Factor V/A = 0.080000 V/A, Zero Current = 0.000000 A 14:22:15 Magnet Current, Imag = 12.1941 A Vtrans = 0.975527 V, Factor V/A = 0.080000 V/A, Zero Current = 0.000000 A 14:22:16 Magnet Current, Imag = 12.1940 A Vtrans = 0.975516 V, Factor V/A = 0.080000 V/A, Zero Current = 0.000000 A 14:22:16 Magnet Current Measurement: Imag = 12.1941 +- 0.0001 A 14:22:16 Magnetic Field Measurement Measuring the magnet strength... 14:22:16 Integrated Voltage Measurement... 14:22:46 Voltage Offset Correction: v_off_ini = -0.000004308 V, v_off_fin = -0.000003750 V 14:22:46 Integrated Voltage Measurement X0 = 0.0000000 m, Delta X = 0.0100000 m VT = -0.000077568 Vs 14:23:12 Voltage Offset Correction: v_off_ini = -0.000004930 V, v_off_fin = -0.000004291 V 14:23:12 Integrated Voltage Measurement X0 = 0.0000000 m, Delta X = -0.0100000 m VT = 0.000077504 Vs 14:23:39 Voltage Offset Correction: v_off_ini = -0.000005491 V, v_off_fin = -0.000006533 V 14:23:39 Integrated Voltage Measurement X0 = 0.0000000 m, Delta X = 0.0100000 m VT = -0.000078481 Vs 14:24:06 Voltage Offset Correction: v_off_ini = -0.000006266 V, v_off_fin = -0.000007116 V 14:24:06 Integrated Voltage Measurement X0 = 0.0000000 m, Delta X = -0.0100000 m VT = 0.000077953 Vs 14:24:33 Voltage Offset Correction: v_off_ini = -0.000007443 V, v_off_fin = -0.000007583 V 14:24:33 Integrated Voltage Measurement X0 = 0.0000000 m, Delta X = 0.0100000 m VT = -0.000080362 Vs 14:25:00 Voltage Offset Correction: v_off_ini = -0.000007779 V, v_off_fin = -0.000008398 V 14:25:00 Integrated Voltage Measurement X0 = 0.0000000 m, Delta X = -0.0100000 m VT = 0.000077644 Vs 14:25:27 Voltage Offset Correction: v_off_ini = -0.000008446 V, v_off_fin = -0.000008067 V 14:25:27 Integrated Voltage Measurement X0 = 0.0000000 m, Delta X = 0.0100000 m VT = -0.000080694 Vs 14:25:53 Voltage Offset Correction: v_off_ini = -0.000008465 V, v_off_fin = -0.000010313 V 14:25:53 Integrated Voltage Measurement X0 = 0.0000000 m, Delta X = -0.0100000 m VT = 0.000078397 Vs 14:26:20 Voltage Offset Correction: v_off_ini = -0.000008313 V, v_off_fin = -0.000008796 V 14:26:20 Integrated Voltage Measurement X0 = 0.0000000 m, Delta X = 0.0100000 m VT = -0.000077854 Vs 14:26:47 Voltage Offset Correction: v_off_ini = -0.000008469 V, v_off_fin = -0.000008943 V 14:26:47 Integrated Voltage Measurement X0 = 0.0000000 m, Delta X = -0.0100000 m VT = 0.000076979 Vs 14:27:14 Voltage Offset Correction: v_off_ini = -0.000007977 V, v_off_fin = -0.000007507 V 14:27:14 Integrated Voltage Measurement X0 = 0.0000000 m, Delta X = 0.0100000 m VT = -0.000074995 Vs 14:27:41 Voltage Offset Correction: v_off_ini = -0.000006472 V, v_off_fin = -0.000006277 V 14:27:41 Integrated Voltage Measurement X0 = 0.0000000 m, Delta X = -0.0100000 m VT = 0.000077708 Vs 14:28:08 Voltage Offset Correction: v_off_ini = -0.000005510 V, v_off_fin = -0.000005737 V 14:28:08 Integrated Voltage Measurement X0 = 0.0000000 m, Delta X = 0.0100000 m VT = -0.000079570 Vs 14:28:34 Voltage Offset Correction: v_off_ini = -0.000006211 V, v_off_fin = -0.000004979 V 14:28:34 Integrated Voltage Measurement X0 = 0.0000000 m, Delta X = -0.0100000 m VT = 0.000075751 Vs 14:29:01 Voltage Offset Correction: v_off_ini = -0.000005957 V, v_off_fin = -0.000004720 V 14:29:01 Integrated Voltage Measurement X0 = 0.0000000 m, Delta X = 0.0100000 m VT = -0.000077067 Vs 14:29:28 Voltage Offset Correction: v_off_ini = -0.000005723 V, v_off_fin = -0.000006164 V 14:29:28 Integrated Voltage Measurement X0 = 0.0000000 m, Delta X = -0.0100000 m VT = 0.000080628 Vs 14:29:55 Voltage Offset Correction: v_off_ini = -0.000006187 V, v_off_fin = -0.000006854 V 14:29:55 Integrated Voltage Measurement X0 = 0.0000000 m, Delta X = 0.0100000 m VT = -0.000077268 Vs 14:30:22 Voltage Offset Correction: v_off_ini = -0.000007409 V, v_off_fin = -0.000007520 V 14:30:22 Integrated Voltage Measurement X0 = 0.0000000 m, Delta X = -0.0100000 m VT = 0.000078729 Vs 14:30:49 Voltage Offset Correction: v_off_ini = -0.000008367 V, v_off_fin = -0.000008267 V 14:30:49 Integrated Voltage Measurement X0 = 0.0000000 m, Delta X = 0.0100000 m VT = -0.000079577 Vs 14:31:15 Voltage Offset Correction: v_off_ini = -0.000007742 V, v_off_fin = -0.000007558 V 14:31:15 Integrated Voltage Measurement X0 = 0.0000000 m, Delta X = -0.0100000 m VT = 0.000075549 Vs 14:31:15 Integrated Voltage Average and RMS of Measurements X0 = 0.0000000 m, Delta X = 0.0100000 m VT = -0.000078014 +- 0.000000880 Vs 14:31:15 Integrated Field Strength, Average and RMS of Measurements X0 = 0.0000000 m, dx = 0.0100000 m, Nturns = 10.0 VT = -0.000078014 +- 0.000000880 Vs BL = -0.00078014 +- 0.00000880 Tm 14:31:29 BL vs X Fit Coefficients: Cn sigCn n (Tm/m^n) ----- --------+-------- 0 -0.00078 0.00001 Compute Fit Residuals: X0 BL sigBL BLfit BL-BLfit (m) (Tm) (Tm) (Tm) (Tm) ----------- --------+-------- -------- -------- 0.0000000 -0.00078 0.00001 -0.00078 0.00000 14:31:29 Magnet Strength Calculation Harmonic Number = 1 Number Of X0 Positions = 1 X0 BL sigBL (m) (Tm) (Tm) -------- --------+-------- 0.0000 -0.00078 0.00001 SL = -0.0007801 +- 0.0000088 Tm^2/m^n 14:31:29 Magnet Strength Measurement Harmonic Number = 1 SL = -0.0007801 +- 0.0000088 Tm^2/m^n 14:31:30 Magnet Current, Imag = 12.1905 A Vtrans = 0.975242 V, Factor V/A = 0.080000 V/A, Zero Current = 0.000000 A 14:31:32 Magnet Current, Imag = 12.1905 A Vtrans = 0.975243 V, Factor V/A = 0.080000 V/A, Zero Current = 0.000000 A 14:31:33 Magnet Current, Imag = 12.1905 A Vtrans = 0.975243 V, Factor V/A = 0.080000 V/A, Zero Current = 0.000000 A 14:31:34 Magnet Current, Imag = 12.1905 A Vtrans = 0.975241 V, Factor V/A = 0.080000 V/A, Zero Current = 0.000000 A 14:31:34 Magnet Current Measurement: Imag = 12.1905 +- 0.0000 A 14:31:46 Magnet current ramping to 0.0000 A...