SLAC Magnetic Measurements Date: 12-18-2017 Time: 07:44:57 Project: LCLS-II Magnet Type: Undulator Magnet Name: SXU_006 Dataset Number: 1 Run Purpose: Tuning Run Type: Pole Adjustments Run Number: 19 Measurement Device: Capacitive sensors Operator: rcolon Comment: Pole Motion From Capacitive Sensors: Distance between sensors = 24.000 mm Relative motion from when sensors are zeroed. + move = toward gap, - move = away from gap. + angle = red move > blue move. Jaw Module Pole Blue(Frame) Red(Bench) Ave Move Angle (microns) (microns) (microns) (mrad) ----- ------ ------ ----------- ----------- ----------- --------- Lower 1 4/5 -21 -23 -22 -0.099 Upper 1 4/5 -27 -21 -24 0.233 Lower 1 5/6 16 -11 3 -1.132 Upper 1 5/6 -19 15 -2 1.408 Lower 2 10/11 29 29 29 -0.005 Upper 2 10/11 21 26 23 0.215 Lower 2 11/12 27 29 28 0.079 Upper 2 11/12 25 24 25 -0.015 Lower 2 16/17 25 -24 0 -2.048 Upper 2 16/17 22 -25 -2 -1.971 Lower 2 22/23 49 53 51 0.188 Upper 2 22/23 52 53 53 0.042 Lower 2 26/27 -20 -22 -21 -0.082 Upper 2 26/27 -22 -23 -23 -0.040 Lower 2 27/28 -22 -20 -21 0.070 Upper 2 27/28 -25 -28 -27 -0.153 Lower 2 34/35 25 27 26 0.110 Upper 2 34/35 29 25 27 -0.162 Lower 2 35/36 29 26 28 -0.156 Upper 2 35/36 25 29 27 0.169 Lower 2 47/48 -47 -49 -48 -0.079 Upper 2 47/48 -53 -55 -54 -0.089 Lower 2 48/49 -47 -45 -46 0.058 Upper 2 48/49 -46 -53 -49 -0.269