SLAC Magnetic Measurements Date: 03-04-2016 Time: 14:52:59 Project: LCLS Device Type: Undulator Data Type: Serial Number: PHASE_SHIFTER DATASET Number: 2 Tuning Stage: Fine Tuning Run Number: 27 Measurement Type: Z Scans Operator: YL Comment: Gap = 10mm; Assembly-disassembly test; PI vs.Y after loosing the magnet blocks