SLAC Magnetic Measurements
Date: 07-19-2019
Time: 09:53:02

Project: LCLS-II
Magnet Type: Undulator
Magnet Name: HXU_021
Dataset Number: 1
Run Purpose: Tuning
Run Type: Pole Adjustments
Measurement Device: Capacitive Sensors


Pole Motion From Capacitive Sensors:

Distance between sensors =  24.000 mm
Relative motion from when sensors are zeroed.
+ move = toward gap, - move = away from gap.
+ angle = Quadrant 1 toward quadrant 2.

  Jaw    Module   Pole   Red(Upper)   Blue(Lower)   Ave Move      Angle  
                          (microns)    (microns)    (microns)    (mrad)  
-------  ------  ------  -----------  -----------  -----------  ---------
  Bench       3      61           24           25           24      0.053
  Aisle       3      54           24           25           24     -0.075
  Bench       3      54           24           24           24      0.012
  Aisle       3      24           20           19           19      0.032
  Bench       3      24           19           19           19      0.005
  Bench       3      23           20           19           19     -0.008
  Aisle       3      23           20           20           20     -0.023
  Aisle       3      68          -19          -19          -19      0.030
  Aisle       3      69          -20          -20          -20      0.008
  Bench       3      69          -20          -20          -20      0.003
  Bench       3      68          -21          -20          -20      0.051
  Aisle       3      73           19           20           20     -0.061
  Aisle       3      74           21           20           20      0.046
  Bench       3      74           19           20           20      0.014
  Bench       3      73           20           20           20     -0.012