Sextupole Magnet Checks			25S-66
	Date:	Magnet:	Operator(s):
	8/9/2001	25S-66	Michael Rogers
	Notes:

Magnetic Fiducial Coordinates: (inches)
	Fiducial	Z	X	Y
	TB1	-4.2414	4.2131	15.5132
	TB2	4.3182	4.1792	15.5074
	TB3	-4.4034	-10.4892	12.5422	Offset:
	TB4	3.4596	-10.5073	12.5328	0.0000	inches
	TB5	-4.5819	-15.0597	0.0488
	TB6	4.5179	-15.0630	0.0264
	Description:
	Fiducial values based on the measured mechanical center line.

Sextupole Mechanical Centerline Checks:

Mandrel Check (4 Positions):	X (in)	Y (in)
Position 1	0.0000	0.0001
Position 2	-0.0007	0.0000
Position 3	0.0003	0.0007
Position 4	-0.0013	0.0035
Position 5	-0.0027	0.0006
Position 6	-0.0003	0.0001

Mandrel Check (Position 1):	X (in)	Y (in)
Position 1 (1^st check)	0.0016	0.0012
Position 1 (2^nd check)	0.0016	0.0003
Position 1 (3^rd check)	0.0013	0.0009
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: 1.069	Loc 1: 1.068
Loc 2: 1.067	Loc 2: 1.068
Loc 3: 1.068	Loc 3: 1.070

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-66

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: 8/9/2001 Ambient Temperature ______________ deg. C.

Operator(s) Michael Rogers

Comment

Fiducial – Measured Coordinates	z	x	y
	(in)	(in)	(in)
TB1	-4.2414	4.2131	15.5132
TB2	4.3182	4.1792	15.5074
TB3	-4.4034	-10.4892	12.5422
TB4	3.4596	-10.5073	12.5328
TB5	-4.5819	-15.0597	0.0488
TB6	4.5179	-15.0630	0.0264

(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	-0.0007	-0.0001
Position 3	0.0002	0.0005
Position 4	-0.0014	0.0034
Position 5	-0.0027	0.0005
Position 6	-0.0003	0.0000

Approval ________________________