SLAC Magnetic Measurements Date: 11-21-2002 Time: 16:02:03 Project: spear3 Magnet Type: gdipole Magnet Name: test Serial Number: Run Number: 17 Measurement Device: wire s.coil Operator: sa Comment: Single wire and single coil test, coil dx = 15.84 mm, Stdz once to 770 Standardization: 1 cycles from 0.0 A to 770.0 A to 0.0 A Test Currents (A): 583.1 Integrated Field Strength Harmonics Magnet Current = 583.1910 +- 0.0186 A Coil Configuration: Wire BL(x) = BL1 + BL2*(x/R0) + ... + BLn*(x/R0)^(n-1) (Tm) R0 = 0.050000 m BLn_ave BLn_rms n (Tm) (Tm) ------- ------------+------------ 1 1.404046 0.000015 2 -0.176188 0.000189 3 0.004400 0.000958 4 -0.001005 0.003167 5 -0.013663 0.008032 6 0.007504 0.014129 7 0.025011 0.019710 8 -0.013474 0.023297 9 -0.016369 0.014100 10 0.007039 0.012725 Integrated Field Strength Harmonics Magnet Current = 583.1910 +- 0.0186 A Coil Configuration: Single Coil BL(x) = BL1 + BL2*(x/R0) + ... + BLn*(x/R0)^(n-1) (Tm) R0 = 0.050000 m BLn_ave BLn_rms n (Tm) (Tm) ------- ------------+------------ 1 0.000000 0.000000 2 -0.174590 0.000045 3 0.001975 0.000133 4 0.002516 0.000675 5 -0.000194 0.000665 6 -0.008405 0.002648 7 0.001142 0.001157 8 0.012391 0.003636 9 -0.002374 0.000616 10 -0.006817 0.001603 Integrated Field Strength Harmonics Summary Magnet Current = 583.1910 +- 0.0186 A BL(x) = BL1 + BL2*(x/R0) + ... + BLn*(x/R0)^(n-1) (Tm) R0 = 0.050000 m BLn_ave BLn_rms BLn/BL1 BLn/BL1 n (Tm) (Tm) ave rms ------- ------------+------------ ------------+------------ 1 1.404046 0.000015 1.00000000 0.00001553 2 -0.174590 0.000045 -0.12434758 0.00003242 3 0.001975 0.000133 0.00140644 0.00009493 4 0.002516 0.000675 0.00179187 0.00048043 5 -0.000194 0.000665 -0.00013805 0.00047362 6 -0.008405 0.002648 -0.00598640 0.00188582 7 0.001142 0.001157 0.00081313 0.00082409 8 0.012391 0.003636 0.00882528 0.00258933 9 -0.002374 0.000616 -0.00169098 0.00043873 10 -0.006817 0.001603 -0.00485511 0.00114162