SLAC Magnetic Measurements Date: 04-08-2026 Time: 10:34:43 Project: LCLS-II-HE Device Type: Undulator Data Type: Serial Number: HE_SXU_008 DATASET Number: 1 Tuning Stage: Tuning Run Number: 15 Measurement Type: Long Coil Scans Operator: JB Comment: All vs Gap; before final Type Position Raw value Integral Nominal Actual Pre-measurement Gap Actual Post-measurement Gap m Volt*sec T*m | T*m^2 Gap US - mm US Raw DS - mm DS Raw US - mm US Raw DS - mm DS Raw --------------------------------------------------------------------------------------------------------------------------------------- I1X_VS_X -0.000E-03 0.992E-06 14.171E-06 7.20000 0.00720 4404708 0.00720 4402861 0.00720 4404710 0.00720 4402862 I1X_VS_X -0.000E-03 0.859E-06 12.276E-06 7.20000 0.00720 4404712 0.00720 4402867 0.00720 4404713 0.00720 4402868 I1X_VS_X -0.000E-03 0.978E-06 13.976E-06 7.20000 0.00720 4404715 0.00720 4402871 0.00720 4404715 0.00720 4402872 Type Position Raw value Integral Nominal Actual Pre-measurement Gap Actual Post-measurement Gap m Volt*sec T*m | T*m^2 Gap US - mm US Raw DS - mm DS Raw US - mm US Raw DS - mm DS Raw --------------------------------------------------------------------------------------------------------------------------------------- I1X_VS_X -0.000E-03 0.152E-06 2.172E-06 9.00000 0.00900 4368700 0.00900 4366846 0.00900 4368699 0.00900 4366844