SLAC Magnetic Measurements Date: 11-15-2002 Time: 14:08:23 Project: spear3 Magnet Type: gdipole Magnet Name: test Serial Number: Run Number: 12 Measurement Device: wire s.coil Operator: sa Comment: Single wire and single coil test, coil dx = 16.0 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 = 583.1402 +- 0.0059 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 1.404358 0.000064 2 -0.176896 0.000273 3 0.001838 0.004772 4 0.009520 0.009200 5 0.001072 0.032892 6 -0.042123 0.058120 7 -0.005471 0.063758 8 0.074385 0.110664 9 0.004273 0.036674 10 -0.043300 0.064004 Integrated Field Strength Harmonics Magnet Current = 583.1402 +- 0.0059 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 -0.172928 0.000011 3 0.002300 0.000043 4 0.001247 0.000007 5 -0.001931 0.000316 6 -0.003503 0.000080 7 0.003870 0.000592 8 0.005558 0.000206 9 -0.003365 0.000306 10 -0.003291 0.000125 Integrated Field Strength Harmonics Summary Magnet Current = 583.1402 +- 0.0059 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 1.404358 0.000064 1.00000000 0.00006444 2 -0.172928 0.000011 -0.12313678 0.00000971 3 0.002300 0.000043 0.00163746 0.00003054 4 0.001247 0.000007 0.00088811 0.00000501 5 -0.001931 0.000316 -0.00137471 0.00022514 6 -0.003503 0.000080 -0.00249419 0.00005681 7 0.003870 0.000592 0.00275594 0.00042155 8 0.005558 0.000206 0.00395738 0.00014653 9 -0.003365 0.000306 -0.00239603 0.00021788 10 -0.003291 0.000125 -0.00234314 0.00008873