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1. Field quality for dipole magnet at extraction energy ( * 3 G eV)

Dipol fiel component , Bmax = 1.13 T (BD magnet E = 3 G eV) ± 2•10-4

Quadropol field component , Gmax = 5.561 (BD magnet E = 3 G eV) ± 3•10-3

Sextupol field component , Smax = 43.1 (BD magnet E = 3 G eV) ± 1•10-2

2. Magnetic field measurement accuracy

Hall probes accuracy for magnetic field measurement have following dependence: dB/B = 0.2[Gs] + 0.8*B[Gs]*10^-4

Hall probes position on carriage known with accuracy ± 10μ

Hall probes properties

Probe dimensions, mm: 3×2×0,6

Dimensions of sensitive zone, mm: 0.1×0.05

Input resistance, ohm 8.6

Output resistance, ohm: 13.3

Residual voltage, μV: 70

Magnetic sensitivity for = 0.1 , in μV/m: 113.1

Nonlinearity factor for = 2.0 , in %: -0.5

Divergence for = 0.1 , in %: 0.07

Temperature coefficient of sensitivity, %/: -0.006

Residual voltage temperature coefficient, μV/: +1.0

Supply current, : 100

Operating temperature range, : 1.5-373

-- IvanOkunev - 17 Jan 2011

Topic revision: r1 - 17 Jan 2011 - IvanOkunev
 
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