SLAC Magnetic Measurements Date: 05-29-2019 Time: 08:59:15 Project: LCLS-II Magnet Type: Dipole Magnet Name: 4509 Serial Number: Run Number: 2 Measurement Device: 10wire Operator: sda Comment: Integrated field vs trim current with main at nominal current of 126.4349. Standardization for MAIN: 3 cycles from 0.0 A to 200.0 A to 0.0 A Test Currents for MAIN (A): 126.43 126.43 126.43 126.43 126.43 126.43 126.43 Test Currents for TRIM (A): 0.00 -6.00 0.00 6.00 0.00 -6.00 6.00 Integrated Dipole Strength Distance the wire was to be moved = 0.009000 m Number of turns in the wire = 10 Number of measurements for averaging = 4 MAIN +/- sigma TRIM +/- sigma BL sigBL BL/I sigBL/I (A) (A) (A) (A) (Tm) (Tm) (Tm/A) (Tm/A) ------------+---------- ------------+---------- -------------+------------ -------------+------------- 126.3326 0.0002 0.0003 0.0001 -0.652990 0.000039 -0.005169 0.000000 126.3319 0.0003 -6.0039 0.0000 -0.632192 0.000048 -0.005004 0.000000 126.3310 0.0001 0.0002 0.0000 -0.652955 0.000022 -0.005169 0.000000 126.3302 0.0002 6.0032 0.0000 -0.674614 0.000014 -0.005340 0.000000 126.3300 0.0002 0.0002 0.0000 -0.653781 0.000064 -0.005175 0.000001 126.3300 0.0001 -6.0039 0.0000 -0.632736 0.000039 -0.005009 0.000000 126.3297 0.0002 6.0032 0.0000 -0.674559 0.000037 -0.005340 0.000000