Sextupole Magnet Checks			25S-53
	Date:	Magnet:	Operator(s):
	11/13/2001	25S-53	Michael Rogers
	Notes:

Magnetic Fiducial Coordinates: (inches)
	Fiducial	Z	X	Y
	TB1	-4.4999	4.1808	15.5054
	TB2	4.5212	4.2110	15.5105
	TB3	-4.4489	-10.4939	12.5408	Offset:
	TB4	3.4378	-10.4975	12.5414	0.0000	inches
	TB5	-4.5286	-15.0649	0.0207
	TB6	4.5098	-15.0643	0.0443
	Description:
	Fiducial values based on the measured mechanical center line.

Sextupole Mechanical Centerline Checks:

Mandrel Check (4 Positions):	X (in)	Y (in)
Position 1	0.0001	0.0000
Position 2	-0.0001	-0.0001
Position 3	0.0006	0.0000
Position 4	0.0017	-0.0029
Position 5	0.0021	-0.0015
Position 6	0.0012	-0.0017

Mandrel Check (Position 1):	X (in)	Y (in)
Position 1 (1^st check)	0.0026	-0.0001
Position 1 (2^nd check)	0.0021	0.0001
Position 1 (3^rd check)	0.0023	-0.0003
Position 1 (4^th check if necc)	NA	NA
Position 1 (5^th check if necc)	NA	NA

Sextupole Gap Measurement Checks

Gap Measurements:
Upstream (in)	Downstream (in)
Loc 1: 1.071	Loc 1: 1.072
Loc 2: 1.073	Loc 2: 1.072
Loc 3: 1.069	Loc 3: 1.071

Approval ________________________

Sextupole Magnet Fiducialization Traveller

Approval must be obtained before removing the magnet from the test stand.

Magnetic Measurements Approval by – Jack Tanabe or Tony King.

Magnet Serial Number 25S-53

IHEP Magnetic Measurements Operator: ____________ Date:_____________

Measured Magnetic Center Offset Dx =__________ mm Dy =___________ mm

Measured at: Integrated Field: ____________ T-m @ Current_____________ Amps

SLAC Magnetic Measurements Operator: ____________ Date:_____________

Measured Magnetic Center Offset Dx =__________ mm Dy =___________ mm

Measured at: Integrated Field: ____________ T-m @ Current_____________ Amps

Fiducialization:

Date: 11/13/2001 Ambient Temperature ______________ deg. C.

Operator(s) Michael Rogers

Comment

Fiducial – Measured Coordinates	z	x	y
	(in)	(in)	(in)
TB1	-4.4999	4.1808	15.5054
TB2	4.5212	4.2110	15.5105
TB3	-4.4489	-10.4939	12.5408
TB4	3.4378	-10.4975	12.5414
TB5	-4.5286	-15.0649	0.0207
TB6	4.5098	-15.0643	0.0443

(For x, y corrected coordinates, use SLAC data if available. If not, use IHEP data.)

Fiducial – Corrected Coordinates	z	x	y
	(in)	(in)	(in)
TB1
TB2
TB3
TB4
TB5
TB6

Check Measurements:

Flat Center	xmeasured	xnominal	ymeasured	ynominal
Upstream		0.0 in		12.8 in
Downstream		0.0 in		12.8 in

Position 1 (x,y)=(0,0)	x (in)	y (in)
Position 2	-0.0002	-0.0001
Position 3	0.0005	0.0001
Position 4	0.0016	-0.0029
Position 5	0.0020	-0.0015
Position 6	0.0011	-0.0017

Approval ________________________