SLAC Magnetic Measurements
Date: 10-02-1996
Time: 13:16:13

Project: PEP2INJ
Magnet Type: QUAD
Magnet Name (Serial #): 325Q20
Bar Code Number: 
Test Stand: 1
Measurement System: DC100
Operator: zw
Run Number: 1
Comment: standard run

Standardization Currents
 3  cycles, 0 to  45  to 0 A

Test Currents
    10.0    15.0    20.0    25.0    30.0    35.0    40.0
    45.0    40.0    20.0


                 Harmonics Measurements

Date: 10-02-1996
Time: 13:36:49
Magnet Name: 325Q20
Run Number: 1


                         FIELD HARMONICS

Magnet Current, Imag =  20.01003  +-  2.324525E-03  A
Harmonics at Rcoil =  .0189973  m
Nmain =  2 

 n     BLn     sigBLn    THspole   sigTH    BLn/BLN sBLn/BLN
       (Tm)     (Tm)      (deg)    (deg)      (%)      (%)  
---  --------+--------  --------+--------  --------+--------
  1   0.00171  0.00000    156.69     0.01    4.1353   0.0027
  2   0.04146  0.00001    -45.34     0.00  100.0000   0.0304
  3   0.00007  0.00000     -6.05     0.61    0.1659   0.0008
  4   0.00001  0.00000    -25.54     3.50    0.0224   0.0043
  5   0.00001  0.00000    -25.19     0.44    0.0244   0.0021
  6   0.00001  0.00000     -6.48     4.99    0.0242   0.0119
  7   0.00001  0.00000      9.21     3.10    0.0137   0.0071
  8   0.00002  0.00001     -6.76     3.42    0.0497   0.0121
  9   0.00001  0.00000     -4.78     3.05    0.0215   0.0057
 10   0.00000  0.00000     -1.97     2.45    0.0062   0.0012
 11   0.00000  0.00000     -3.76    11.33    0.0035   0.0015
 12   0.00000  0.00000    -12.24     1.54    0.0044   0.0011
 13   0.00000  0.00000     -7.09     5.93    0.0016   0.0008
 14   0.00000  0.00000     -9.41     1.44    0.0017   0.0004
 15   0.00000  0.00000      9.51     1.37    0.0012   0.0006
 16   0.00000  0.00000     -0.99     6.55    0.0009   0.0005


The magnetic center is at
X =   310.8 +-     0.2 microns
Y =  -721.5 +-     0.5 microns

The magnetic center is measured relative to the coil axis
effectively at the longitudinal center of the magnet.
Pitch and yaw are not seen by the coil.

View from the non-lead end of the magnet:

           y          
           ^          
           |          
        S     N       

                --> x 

        N     S