SLAC Magnetic Measurements Date: 02-04-2002 Time: 13:56:24 Project: spear3 Magnet Type: quad Magnet Name: 34Q-035 Serial Number: Run Number: 2 Measurement Device: spear3q_coil Operator: jy Comment: repeat measurement with coil in original position Standardization: 3 cycles from 0.0 A to 98.0 A to 0.0 A Test Currents (A): 45.0 90.0 Field Harmonics Data (on the following pages) Field Harmonics Magnet Current, Imag = 45.242950 +- 0.000269 A Harmonics given at R = 0.026970 m Coil Radius, Rcoil = 0.026970 m Main Harmonic N = 2 n BLn sigBLn THspole sigTH BLn/BLN sBLn/BLN (Tm) (Tm) (deg) (deg) (%) (%) --- ------------+------------ --------+-------- ---------+--------- 1 7.1403e-04 1.8308e-07 -153.05 0.02 0.67376 0.00017 2 1.0598e-01 3.5604e-07 43.87 0.00 100.00000 0.00048 3 3.4608e-05 1.4461e-08 -19.71 0.01 0.03266 0.00001 4 1.5597e-05 2.3254e-08 18.68 0.01 0.01472 0.00002 5 2.9995e-06 2.3157e-09 -18.39 0.01 0.00283 0.00000 6 1.7086e-06 5.0690e-09 26.03 0.05 0.00161 0.00000 7 1.8757e-06 7.6094e-09 5.09 0.03 0.00177 0.00001 8 2.6792e-06 8.1732e-09 -14.76 0.01 0.00253 0.00001 9 7.5527e-07 7.8248e-09 13.10 0.07 0.00071 0.00001 10 1.4159e-05 7.6696e-09 -10.09 0.00 0.01336 0.00001 11 5.7307e-07 3.7765e-09 -14.13 0.05 0.00054 0.00000 12 5.4531e-07 5.7837e-09 9.34 0.03 0.00051 0.00001 13 7.9949e-07 6.4324e-09 -0.26 0.02 0.00075 0.00001 14 5.3978e-06 6.6229e-09 -7.65 0.01 0.00509 0.00001 15 1.0862e-07 1.1046e-08 5.95 0.41 0.00010 0.00001 16 1.9657e-07 2.7174e-09 10.61 0.07 0.00019 0.00000 17 4.0451e-07 9.2950e-09 0.34 0.03 0.00038 0.00001 18 4.6211e-06 5.8449e-09 -6.08 0.01 0.00436 0.00001 Magnetic Center: Xcenter = 0.00008867 +- 0.00000009 m Ycenter = 0.00015861 +- 0.00000003 m View from end where water connections are on right: y ^ | N S --> x S N Field Harmonics Magnet Current, Imag = 90.515325 +- 0.000432 A Harmonics given at R = 0.026970 m Coil Radius, Rcoil = 0.026970 m Main Harmonic N = 2 n BLn sigBLn THspole sigTH BLn/BLN sBLn/BLN (Tm) (Tm) (deg) (deg) (%) (%) --- ------------+------------ --------+-------- ---------+--------- 1 1.3803e-03 2.5960e-06 -156.30 0.05 0.67090 0.00126 2 2.0574e-01 1.8577e-07 43.87 0.00 100.00000 0.00013 3 5.3728e-05 1.0481e-07 -12.59 0.03 0.02611 0.00005 4 3.3113e-05 1.8440e-07 19.08 0.02 0.01609 0.00009 5 3.6204e-06 5.4752e-09 -19.63 0.08 0.00176 0.00000 6 3.8880e-05 3.4486e-08 -16.88 0.00 0.01890 0.00002 7 3.1051e-06 6.8193e-09 4.11 0.02 0.00151 0.00000 8 4.2813e-06 1.4910e-08 -15.63 0.02 0.00208 0.00001 9 1.3760e-06 1.2188e-08 11.67 0.08 0.00067 0.00001 10 3.0532e-05 5.8976e-09 -10.11 0.00 0.01484 0.00000 11 1.0387e-06 1.4446e-08 -14.12 0.05 0.00050 0.00001 12 1.0443e-06 1.0997e-08 8.99 0.05 0.00051 0.00001 13 1.4925e-06 1.3652e-08 -0.29 0.03 0.00073 0.00001 14 1.0114e-05 9.2340e-09 -7.65 0.01 0.00492 0.00000 15 1.7221e-07 1.9580e-08 6.27 0.49 0.00008 0.00001 16 3.5048e-07 2.0889e-08 11.08 0.15 0.00017 0.00001 17 7.8479e-07 7.8882e-09 0.46 0.04 0.00038 0.00000 18 8.8595e-06 1.8338e-08 -6.08 0.01 0.00431 0.00001 Magnetic Center: Xcenter = 0.00007920 +- 0.00000005 m Ycenter = 0.00016269 +- 0.00000037 m View from end where water connections are on right: y ^ | N S --> x S N