SLAC Magnetic Measurements Date: 08-13-2001 Time: 15:57:43 Project: spear3 Magnet Type: gdipole Magnet Name: 145d-019 Serial Number: Run Number: 16 Measurement Device: coil Operator: jy Comment: repeat coil meas with strut in place Standardization: 1 cycles from 0.0 A to 770.0 A to 0.0 A Test Currents (A): 465.0 583.1 Integrated Field Strength Harmonics Magnet Current = 465.0500 +- 0.0039 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 1.479325 0.000045 2 -0.183902 0.000146 3 0.000265 0.001295 4 -0.020503 0.002013 5 -0.003881 0.008208 6 0.082136 0.007640 7 0.019896 0.016913 8 -0.114990 0.011640 9 -0.014922 0.010615 10 0.048618 0.006249 Integrated Field Strength Harmonics Magnet Current = 465.0500 +- 0.0039 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 -0.184545 0.000002 3 0.003430 0.000015 4 -0.002098 0.000076 5 -0.009238 0.000216 6 0.012242 0.000436 7 0.023670 0.000551 8 -0.024350 0.000741 9 -0.019524 0.000361 10 0.018393 0.000392 Integrated Field Strength Harmonics Magnet Current = 465.0500 +- 0.0039 A Coil Configuration: Double 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 0.000000 0.000000 3 -0.005466 0.000004 4 0.000533 0.000002 5 -0.002701 0.000002 6 0.000605 0.000002 7 0.006384 0.000001 8 -0.000660 0.000002 9 -0.005089 0.000000 10 -0.000804 0.000001 Integrated Field Strength Harmonics Summary Magnet Current = 465.0500 +- 0.0039 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 1.479325 0.000045 1.00000000 0.00004346 2 -0.184545 0.000002 -0.12474954 0.00000407 3 0.003430 0.000015 0.00231841 0.00000986 4 0.000533 0.000002 0.00036007 0.00000159 5 -0.002701 0.000002 -0.00182609 0.00000109 6 0.000605 0.000002 0.00040921 0.00000136 7 0.006384 0.000001 0.00431570 0.00000052 8 -0.000660 0.000002 -0.00044620 0.00000166 9 -0.005089 0.000000 -0.00344036 0.00000027 10 -0.000804 0.000001 -0.00054364 0.00000064 Integrated Field Strength Harmonics Magnet Current = 583.2062 +- 0.0084 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 1.849038 0.000033 2 -0.229735 0.000141 3 0.004675 0.000739 4 -0.039056 0.001203 5 -0.030074 0.004131 6 0.171728 0.003171 7 0.067426 0.007410 8 -0.262890 0.002738 9 -0.043014 0.004018 10 0.127108 0.000584 Integrated Field Strength Harmonics Magnet Current = 583.2062 +- 0.0084 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 -0.230303 0.000010 3 0.003119 0.000020 4 -0.002137 0.000197 5 -0.011856 0.000165 6 0.016123 0.000748 7 0.028691 0.000338 8 -0.031561 0.001016 9 -0.023727 0.000195 10 0.023379 0.000460 Integrated Field Strength Harmonics Magnet Current = 583.2062 +- 0.0084 A Coil Configuration: Double 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 0.000000 0.000000 3 -0.007759 0.000006 4 0.000596 0.000003 5 -0.003877 0.000001 6 0.000694 0.000003 7 0.007675 0.000006 8 -0.000730 0.000008 9 -0.006170 0.000003 10 -0.001018 0.000004 Integrated Field Strength Harmonics Summary Magnet Current = 583.2062 +- 0.0084 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 1.849038 0.000033 1.00000000 0.00002495 2 -0.230303 0.000010 -0.12455308 0.00000590 3 0.003119 0.000020 0.00168667 0.00001083 4 0.000596 0.000003 0.00032225 0.00000153 5 -0.003877 0.000001 -0.00209664 0.00000067 6 0.000694 0.000003 0.00037544 0.00000185 7 0.007675 0.000006 0.00415087 0.00000301 8 -0.000730 0.000008 -0.00039483 0.00000441 9 -0.006170 0.000003 -0.00333709 0.00000157 10 -0.001018 0.000004 -0.00055054 0.00000238