SLAC Magnetic Measurements Date: 03-14-1995 Time: 13:05:27 Magnet Name: 2Q10-04 Project: PEP II Injection Line Test Stand: Rotating Coil Stand 2 Measurement Coil: DC100 Operator: STEVEN GARCIA Run Number: 34 Comment: 50 AMPS AFTER 1ST STDZN REVERSE POL Standardization Currents (A): 45.0 2.0 45.0 2.0 45.0 2.0 Test Currents (A): 3.0 9.0 15.0 21.0 24.0 27.0 30.0 33.0 36.0 40.0 45.0 40.0 30.0 20.0 10.0 13:05:29 Magnet Current, Imag = 50.03542 A 13:05:31 Magnet Current, Imag = 50.03525 A 13:05:32 Magnet Current, Imag = 50.03538 A 13:05:34 Magnet Current, Imag = 50.03533 A 13:05:34 Magnet Current Measurement: Imag = 50.03534 +- 6.366089E-05 A 13:05:38 Coil Rotation Frequency, Fcoil = 6.722931 Hz 13:06:25 Coil Voltage Measurement Made, # 1 in raw data file 13:06:29 Coil Rotation Frequency, Fcoil = 6.722279 Hz 13:06:29 Coil Voltage: Vfit(i) = 1.45102 * cos(2*2pi*i/n + 86.46 deg) = -1.44826 * sin(2*2pi*i/n) + 0.08949 * cos(2*2pi*i/n) RMS of the residuals = 0.00301 13:06:30 Integrated Gradient: Coil: Radius = .0268618 m, # Turns = 30 Average, # Rotations/Measurement = 8 Coil Rotation Frequency, Fcoil = 6.722605 1/s Coil Voltage, V2 = 1.451022 V Integrated Gradient, GL = 1.586956 T 13:06:33 Coil Rotation Frequency, Fcoil = 6.721767 Hz 13:07:21 Coil Voltage Measurement Made, # 2 in raw data file 13:07:25 Coil Rotation Frequency, Fcoil = 6.720942 Hz 13:07:25 Coil Voltage: Vfit(i) = 1.45013 * cos(2*2pi*i/n + 86.46 deg) = -1.44737 * sin(2*2pi*i/n) + 0.08945 * cos(2*2pi*i/n) RMS of the residuals = 0.00300 13:07:26 Integrated Gradient: Coil: Radius = .0268618 m, # Turns = 30 Average, # Rotations/Measurement = 8 Coil Rotation Frequency, Fcoil = 6.721354 1/s Coil Voltage, V2 = 1.450131 V Integrated Gradient, GL = 1.586278 T 13:07:29 Coil Rotation Frequency, Fcoil = 6.721179 Hz 13:08:17 Coil Voltage Measurement Made, # 3 in raw data file 13:08:21 Coil Rotation Frequency, Fcoil = 6.722823 Hz 13:08:21 Coil Voltage: Vfit(i) = 1.45036 * cos(2*2pi*i/n + 86.46 deg) = -1.44760 * sin(2*2pi*i/n) + 0.08948 * cos(2*2pi*i/n) RMS of the residuals = 0.00300 13:08:22 Integrated Gradient: Coil: Radius = .0268618 m, # Turns = 30 Average, # Rotations/Measurement = 8 Coil Rotation Frequency, Fcoil = 6.722001 1/s Coil Voltage, V2 = 1.45036 V Integrated Gradient, GL = 1.586375 T 13:08:25 Coil Rotation Frequency, Fcoil = 6.723034 Hz 13:09:12 Coil Voltage Measurement Made, # 4 in raw data file 13:09:17 Coil Rotation Frequency, Fcoil = 6.724794 Hz 13:09:17 Coil Voltage: Vfit(i) = 1.45044 * cos(2*2pi*i/n + 86.46 deg) = -1.44768 * sin(2*2pi*i/n) + 0.08950 * cos(2*2pi*i/n) RMS of the residuals = 0.00300 13:09:17 Integrated Gradient: Coil: Radius = .0268618 m, # Turns = 30 Average, # Rotations/Measurement = 8 Coil Rotation Frequency, Fcoil = 6.723914 1/s Coil Voltage, V2 = 1.450444 V Integrated Gradient, GL = 1.586016 T 13:09:18 Integrated Gradient Measurement: Coil: Radius = .0268618 m, # Turns = 30 Average, # Rotations/Measurement = 8 , # Measurements = 4 Integrated Gradient, GL = 1.586406 +- 3.436762E-04 T INTEGRATED GRADIENT VS CURRENT Double Coil: Effective Radius = .0268618 m, # Turns = 30 Average: # Rotations/Measurement = 8 , # Measurements = 4 Imag sigImag GL sigGL GL/I sigGL/I (A) (A) (T) (T) (T/kA) (T/kA) --------+-------- --------+-------- --------+-------- 50.035 0.000 1.58641 0.00034 31.7057 0.0069