SLAC Magnetic Measurements Date: 03-17-1995 Time: 10:05:08 Magnet Name (Serial #): 134 Bar Code Number: 349 Project: PEP II High Energy Ring Quadrupoles Test Stand: IR8, Q1 Measurement Coil: # 2 Operator: bmd Run Number: 1 Comment: Standardization Currents (A): 500.0 10.0 350.0 10.0 350.0 10.0 350.0 10.0 Test Currents (A): 10.0 25.0 50.0 100.0 150.0 200.0 250.0 300.0 350.0 300.0 250.0 200.0 150.0 100.0 50.0 25.0 10.0 Harmonics Measurements Date: 03-17-1995 Time: 12:43:04 Magnet Name: 134 Run Number: 1 FIELD HARMONICS Magnet Current, Imag = 10.00306 +- 1.936534E-04 A Coil Radius, Rcoil = .0446657 m Coil # Turns, Nturns = 20 Average, # Rotations/Measurement = 10 , # Measurements = 4 N BLn sigBLn THspole sigTH BLn/BL2 sBLn/BL2 (Tm) (Tm) (deg) (deg) (%) (%) --- --------+-------- --------+-------- --------+-------- 1 0.00004 0.00000 -155.43 0.27 0.3065 0.0047 2 0.01439 0.00000 44.97 0.00 100.0000 0.0000 3 0.00001 0.00000 28.61 0.59 0.0911 0.0003 4 0.00001 0.00000 29.18 0.25 0.0456 0.0010 5 0.00000 0.00000 10.59 1.69 0.0108 0.0011 6 0.00003 0.00000 15.09 0.06 0.2165 0.0008 7 0.00000 0.00000 0.69 11.10 0.0011 0.0005 8 0.00000 0.00000 14.22 3.78 0.0028 0.0010 9 0.00000 0.00000 -2.07 3.59 0.0096 0.0042 10 0.00004 0.00000 -9.04 0.03 0.3010 0.0013 11 0.00000 0.00000 5.38 8.59 0.0031 0.0019 12 0.00000 0.00000 4.83 9.86 0.0052 0.0021 13 0.00000 0.00000 0.62 0.81 0.0153 0.0033 14 0.00004 0.00000 -6.40 0.06 0.2562 0.0020 15 0.00000 0.00000 -1.14 7.45 0.0047 0.0025 16 0.00000 0.00000 2.39 5.72 0.0077 0.0025 The magnetic center is at X = 56.9 +- 1.1 microns Y = 124.5 +- 1.9 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 ^ | N S --> x S N Date: 03-17-1995 Time: 12:49:10 Magnet Name: 134 Run Number: 1 FIELD HARMONICS Magnet Current, Imag = 25.10689 +- 9.847545E-04 A Coil Radius, Rcoil = .0446657 m Coil # Turns, Nturns = 20 Average, # Rotations/Measurement = 10 , # Measurements = 4 N BLn sigBLn THspole sigTH BLn/BL2 sBLn/BL2 (Tm) (Tm) (deg) (deg) (%) (%) --- --------+-------- --------+-------- --------+-------- 1 0.00012 0.00000 -168.86 0.28 0.3586 0.0038 2 0.03471 0.00000 44.96 0.00 100.0000 0.0000 3 0.00003 0.00000 27.09 0.78 0.0759 0.0015 4 0.00002 0.00000 30.54 0.55 0.0460 0.0021 5 0.00000 0.00000 11.05 1.55 0.0116 0.0010 6 0.00008 0.00000 15.05 0.06 0.2276 0.0005 7 0.00000 0.00000 14.38 7.72 0.0027 0.0009 8 0.00000 0.00000 20.42 1.10 0.0110 0.0024 9 0.00000 0.00000 0.28 1.30 0.0101 0.0021 10 0.00010 0.00000 -9.01 0.04 0.3005 0.0007 11 0.00000 0.00000 4.15 12.47 0.0022 0.0013 12 0.00000 0.00000 0.74 1.19 0.0070 0.0022 13 0.00001 0.00000 0.08 0.48 0.0159 0.0037 14 0.00009 0.00000 -6.43 0.03 0.2554 0.0009 15 0.00000 0.00000 -4.28 2.22 0.0045 0.0012 16 0.00000 0.00000 1.14 7.04 0.0048 0.0014 The magnetic center is at X = 30.9 +- 0.8 microns Y = 157.1 +- 1.7 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 ^ | N S --> x S N