SLAC Magnetic Measurements
Date: 11-06-2019
Time: 08:37:03

Project: LCLS-II
Magnet Type: Dipole
Magnet Name: 4550
Serial Number: BCXXL1
Run Number: 10
Measurement Device: 0.25BC26
Operator: sda
Comment: Checking coil calibration

Standardization for      MAIN:
     1 cycles from  -17.5 A to   17.5 A to  -17.5 A
Test Currents for MAIN (A): 
     17.50




                          Field Harmonics Data
                        (on the following pages)



                              Field Harmonics

Magnet Current for MAIN = 17.50 +- 0.000206 A 


Harmonics given at R = 0.002997 m
Coil Radius, Rcoil = 0.002997 m
Main Harmonic N = 1

 n        BLn         sigBLn     THspole   sigTH     BLn/BLN      sBLn/BLN  
         (Tm)          (Tm)       (deg)    (deg)       (%)         (%)    
---  ------------+------------  --------+--------  -------------+-------------
  1    2.7649e-01   2.4174e-06     90.14     0.00   100.00000000    0.00123646 
  2    6.2399e-05   1.1758e-06    -21.10     0.50     0.02256838    0.00042524 
  3    1.6140e-05   7.9475e-07    -31.10     0.91     0.00583752    0.00028744 
  4    7.9142e-06   3.8329e-06     36.94     7.61     0.00286239    0.00138627 
  5    2.6413e-06   2.1038e-06    -14.65     3.80     0.00095531    0.00076090 
  6    2.7858e-06   8.3443e-07     11.64     5.74     0.00100756    0.00030180 
  7    7.2563e-07   2.9492e-06     22.57    32.03     0.00026245    0.00106667 
  8    1.0845e-06   4.7871e-07     -1.52    13.39     0.00039226    0.00017314 
  9    8.8865e-07   3.5665e-06    -11.28    16.80     0.00032140    0.00128991 
 10    1.7805e-06   2.3000e-06    -14.05     6.19     0.00064397    0.00083187 
 11    3.1974e-07   2.0205e-06     -0.94    25.42     0.00011564    0.00073078 
 12    4.5149e-06   5.0067e-06      5.90     3.38     0.00163295    0.00181082 
 13    1.9836e-06   1.7808e-06      0.03     5.46     0.00071742    0.00064409 
 14    1.5085e-06   1.5171e-06      3.54     4.22     0.00054559    0.00054871 
 15    1.5575e-06   2.5811e-06     -9.23     6.23     0.00056332    0.00093352 
 16    1.8135e-06   2.5362e-06    -10.62     9.59     0.00065589    0.00091728 

Magnetic Center:
Xcenter =    0.00000000 +-    0.00000000 m
Ycenter =    0.00000000 +-    0.00000000 m

View from upstream end of magnet
                      
           y          
           ^          
           |          
        S  S  S       
                      
                ->  x 
                      
        N  N  N