SLAC Magnetic Measurements Date: 02-28-2012 Time: 16:49:24 Project: XTA Magnet Type: Quad Magnet Name: QE02X Serial Number: 002 Run Number: 6 Measurement Device: DC34 Operator: sda Comment: Test of skew trim configuration. Test Currents for Main (A): 6.00 6.00 -6.00 -6.00 Test Currents for HTrim (A): 6.00 -6.00 -6.00 6.00 Field Harmonics Data (on the following pages) Field Harmonics Magnet Current for Atrim = 6.00 +- 0.000044 A Magnet Current for Btrim = 6.00 +- 0.000010 A Harmonics given at R = 0.008000 m Coil Radius, Rcoil = 0.008898 m Main Harmonic N = 2 n BLn sigBLn THspole sigTH BLn/BLN sBLn/BLN (Tm) (Tm) (deg) (deg) (%) (%) --- ------------+------------ --------+-------- ---------+--------- 1 1.1489e-03 4.1946e-08 -2.18 0.00 1578.60548 0.18546 2 7.2780e-05 8.1282e-09 48.40 0.01 100.00000 0.01579 3 1.8987e-04 1.4669e-08 -59.40 0.00 260.88379 0.03542 4 5.9385e-07 1.9406e-08 -36.95 0.36 0.81596 0.02622 5 4.9906e-06 1.3779e-08 0.48 0.04 6.85711 0.01891 6 3.6946e-07 2.6420e-08 -9.29 0.61 0.50765 0.03534 7 1.2007e-06 2.7797e-08 0.63 0.04 1.64972 0.03788 8 1.4435e-08 1.2605e-08 11.74 12.19 0.01983 0.01023 9 6.1933e-08 9.1192e-09 19.66 1.95 0.08510 0.01079 10 2.8980e-08 1.5089e-08 7.30 4.18 0.03982 0.01541 11 2.5811e-08 1.9359e-08 -11.05 5.11 0.03546 0.01917 12 1.8451e-08 1.1451e-08 -1.05 1.56 0.02535 0.01020 13 3.1745e-08 2.0597e-08 -0.86 1.73 0.04362 0.02152 14 1.6920e-08 1.0828e-08 8.80 3.12 0.02325 0.00935 15 9.6049e-09 1.5208e-08 -3.43 5.49 0.01320 0.01024 16 1.7815e-08 1.1358e-08 4.28 2.14 0.02448 0.01000 Magnetic Center: Xcenter = 0.01971777 +- 0.00003310 m Ycenter = -0.12473965 +- 0.00003139 m View from upstream end of magnet y ^ | N S -> -x S N