SLAC Magnetic Measurements
Date: 05-05-2003
Time: 15:42:56

Project: spear3
Magnet Type: Septum
Magnet Name: B9V
Serial Number: 
Run Number: 6
Measurement Device: 10 wire
Operator: sa
Comment: Leakage field in v notch at 273 amps.  Wire is 30 mm away from narrow part of notch.  Mirror plates are on

Standardization:
     3 cycles from    0.0 A to  330.0 A to    0.0 A

Test Currents (A):
     273.0

15:43:00  Initial Zero Current Measurement, Imag_zero =       0.0000 A
15:43:00  Magnet current ramping to      15.0000 A...
15:43:54  Magnet current ramping to     330.0000 A...
15:46:54  Magnet current ramping to       0.0000 A...
15:49:56  Magnet current ramping to     330.0000 A...
15:52:59  Magnet current ramping to       0.0000 A...
15:56:02  Magnet current ramping to     330.0000 A...
15:59:04  Magnet current ramping to       0.0000 A...
16:02:07  Magnet current ramping to     273.0000 A...
16:03:30  Magnet Current, Imag =     273.0693 A
          Vtrans =   2.730693 V, Factor V/A =   0.010000 V/A, Zero Current =   0.000000 A
16:03:32  Magnet Current, Imag =     273.0547 A
          Vtrans =   2.730547 V, Factor V/A =   0.010000 V/A, Zero Current =   0.000000 A
16:03:33  Magnet Current, Imag =     273.0558 A
          Vtrans =   2.730558 V, Factor V/A =   0.010000 V/A, Zero Current =   0.000000 A
16:03:34  Magnet Current, Imag =     273.0227 A
          Vtrans =   2.730227 V, Factor V/A =   0.010000 V/A, Zero Current =   0.000000 A
16:03:34  Magnet Current Measurement:
          Imag =     273.0506 +-       0.0171 A
16:03:34  Magnetic Field Measurement
          Measuring the magnet strength...
16:03:34  Integrated Voltage Measurement...
16:03:47  Integrated Voltage Measurement
          X0 =  0.0000000 m, Delta X =  0.0100000 m
          VT =    0.000408083 Vs
16:03:56  Integrated Voltage Measurement
          X0 =  0.0000000 m, Delta X = -0.0100000 m
          VT =   -0.000421242 Vs
16:04:04  Integrated Voltage Measurement
          X0 =  0.0000000 m, Delta X =  0.0100000 m
          VT =    0.000415166 Vs
16:04:13  Integrated Voltage Measurement
          X0 =  0.0000000 m, Delta X = -0.0100000 m
          VT =   -0.000420058 Vs
16:04:22  Integrated Voltage Measurement
          X0 =  0.0000000 m, Delta X =  0.0100000 m
          VT =    0.000411159 Vs
16:04:30  Integrated Voltage Measurement
          X0 =  0.0000000 m, Delta X = -0.0100000 m
          VT =   -0.000420601 Vs
16:04:39  Integrated Voltage Measurement
          X0 =  0.0000000 m, Delta X =  0.0100000 m
          VT =    0.000414015 Vs
16:04:47  Integrated Voltage Measurement
          X0 =  0.0000000 m, Delta X = -0.0100000 m
          VT =   -0.000419571 Vs
16:04:47  Integrated Voltage Average and RMS of Measurements
          X0 =  0.0000000 m, Delta X =  0.0100000 m
          VT =    0.000416237 +-    0.000001096 Vs
16:04:47  Integrated Field Strength, Average and RMS of Measurements
          X0 =  0.0000000 m, dx =  0.0100000 m, Nturns =   10.0
          VT =    0.000416237 +-    0.000001096 Vs
          BL =   0.00416237 +-   0.00001096 Tm
16:04:52  BL vs X Fit Coefficients:
                    Cn     sigCn   
            n        (Tm/m^n)      
          -----  --------+-------- 
            0     0.00416  0.00001
          Compute Fit Residuals:
              X0          BL    sigBL     BLfit    BL-BLfit
             (m)         (Tm)    (Tm)      (Tm)      (Tm)  
          ----------  --------+--------  --------  --------
            0.000000   0.00416  0.00001   0.00416   0.00000
16:04:52  Magnet Strength Calculation
          Harmonic Number = 1
          Number Of X0 Positions = 1
              X0         BL    sigBL   
             (m)        (Tm)    (Tm)   
           --------  --------+-------- 
             0.0000   0.00416  0.00001
          SL    =    0.0041624 +-    0.0000110 Tm^2/m^n
16:04:52  Magnet Strength Measurement
          Harmonic Number = 1
          SL    =    0.0041624 +-    0.0000110 Tm^2/m^n
16:04:53  Magnet Current, Imag =     273.0844 A
          Vtrans =   2.730844 V, Factor V/A =   0.010000 V/A, Zero Current =   0.000000 A
16:04:55  Magnet Current, Imag =     273.0726 A
          Vtrans =   2.730726 V, Factor V/A =   0.010000 V/A, Zero Current =   0.000000 A
16:04:56  Magnet Current, Imag =     273.0929 A
          Vtrans =   2.730929 V, Factor V/A =   0.010000 V/A, Zero Current =   0.000000 A
16:04:57  Magnet Current, Imag =     273.0806 A
          Vtrans =   2.730806 V, Factor V/A =   0.010000 V/A, Zero Current =   0.000000 A
16:04:57  Magnet Current Measurement:
          Imag =     273.0826 +-       0.0073 A
16:04:57  Magnet current ramping to       0.0000 A...