SLAC Magnetic Measurements
Date: 08-25-1995
Time: 13:34:11

Magnet Name: 2Q20_06
Project: PEP II NSIT Line
Test Stand: Rotating Coil Stand 2
Measurement Coil: DC100
Operator: JDB
Run Number: 94
Comment: 40 AMPS AFTER 2ND STDZN, UN-REVERSE POL

Standardization Currents (A):
   160.0     2.0   160.0     2.0   160.0     2.0

Test Currents (A):
    10.0    30.0    45.0    60.0    75.0    90.0   100.0
   110.0   125.0   140.0   160.0   130.0   100.0    60.0

13:34:13  Magnet Current, Imag =  39.9979  A

13:34:14  Magnet Current, Imag =  39.9977  A

13:34:16  Magnet Current, Imag =  39.9975  A

13:34:18  Magnet Current, Imag =  39.9978  A

13:34:18  Magnet Current Measurement:
Imag =  39.99772  +-  1.481483E-04  A

13:34:21  Coil Rotation Frequency, Fcoil =  6.725979  Hz

13:35:08  Coil Voltage Measurement Made, # 1  in raw data file

13:35:13  Coil Rotation Frequency, Fcoil =  6.725838  Hz

13:35:13  Coil Voltage: 
Vfit(i) =  3.40329 * cos(2*2pi*i/n + -178.14 deg)
        =  0.11040 * sin(2*2pi*i/n) + -3.40150 * cos(2*2pi*i/n)
RMS of the residuals =  0.00694

13:35:13  Integrated Gradient:
Coil: Radius =  .0268618  m, # Turns =  30 
Average, # Rotations/Measurement =  8 
Coil Rotation Frequency, Fcoil =  6.725908  1/s
Coil Voltage, V2 =  3.403289  V
Integrated Gradient, GL =  3.720288  T

13:35:16  Coil Rotation Frequency, Fcoil =  6.725543  Hz

13:36:04  Coil Voltage Measurement Made, # 2  in raw data file

13:36:08  Coil Rotation Frequency, Fcoil =  6.726261  Hz

13:36:08  Coil Voltage: 
Vfit(i) =  3.40307 * cos(2*2pi*i/n + -178.14 deg)
        =  0.11035 * sin(2*2pi*i/n) + -3.40128 * cos(2*2pi*i/n)
RMS of the residuals =  0.00689

13:36:08  Integrated Gradient:
Coil: Radius =  .0268618  m, # Turns =  30 
Average, # Rotations/Measurement =  8 
Coil Rotation Frequency, Fcoil =  6.725902  1/s
Coil Voltage, V2 =  3.403073  V
Integrated Gradient, GL =  3.720055  T

13:36:12  Coil Rotation Frequency, Fcoil =  6.726639  Hz

13:36:59  Coil Voltage Measurement Made, # 3  in raw data file

13:37:03  Coil Rotation Frequency, Fcoil =  6.725723  Hz

13:37:04  Coil Voltage: 
Vfit(i) =  3.40350 * cos(2*2pi*i/n + -178.14 deg)
        =  0.11034 * sin(2*2pi*i/n) + -3.40171 * cos(2*2pi*i/n)
RMS of the residuals =  0.00694

13:37:04  Integrated Gradient:
Coil: Radius =  .0268618  m, # Turns =  30 
Average, # Rotations/Measurement =  8 
Coil Rotation Frequency, Fcoil =  6.726181  1/s
Coil Voltage, V2 =  3.403497  V
Integrated Gradient, GL =  3.720365  T

13:37:07  Coil Rotation Frequency, Fcoil =  6.726364  Hz

13:37:55  Coil Voltage Measurement Made, # 4  in raw data file

13:37:59  Coil Rotation Frequency, Fcoil =  6.725633  Hz

13:37:59  Coil Voltage: 
Vfit(i) =  3.40388 * cos(2*2pi*i/n + -178.14 deg)
        =  0.11031 * sin(2*2pi*i/n) + -3.40209 * cos(2*2pi*i/n)
RMS of the residuals =  0.00694

13:38:00  Integrated Gradient:
Coil: Radius =  .0268618  m, # Turns =  30 
Average, # Rotations/Measurement =  8 
Coil Rotation Frequency, Fcoil =  6.725998  1/s
Coil Voltage, V2 =  3.403878  V
Integrated Gradient, GL =  3.720883  T

13:38:00  Integrated Gradient Measurement:
Coil: Radius =  .0268618  m, # Turns =  30 
Average, # Rotations/Measurement =  8 , # Measurements =  4 
Integrated Gradient, GL =  3.720397  +-  3.02371E-04  T



                   INTEGRATED GRADIENT VS CURRENT

Double Coil: Effective Radius =  .0268618  m, # Turns =  30 
Average: # Rotations/Measurement =  8 , # Measurements =  4 

  Imag    sigImag    GL     sigGL     GL/I   sigGL/I 
  (A)       (A)      (T)     (T)     (T/kA)   (T/kA) 
--------+-------- --------+-------- --------+--------
  39.998    0.000  3.72040  0.00030  93.0152   0.0076