Sextupole Magnet Checks			25S-56
	Date:	Magnet:	Operator(s):
	7/10/2001	25S-56	Michael Rogers
	Notes:

Magnetic Fiducial Coordinates: (inches)
	Fiducial	Z	X	Y
	TB1	-4.3352	4.2147	15.5027
	TB2	4.2918	4.2111	15.5093
	TB3	-4.4437	-10.4899	12.5442	Offset:
	TB4	3.4627	-10.5333	12.5218	0.0000	inches
	TB5	-4.6088	-15.0690	-0.0059
	TB6	4.5428	-15.0697	0.0605
	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	0.0007
Position 2	-0.0009	-0.0010
Position 3	0.0051	-0.0011
Position 4	0.0039	0.0010
Position 5	0.0060	0.0051
Position 6	-0.0024	0.0050

Mandrel Check (Position 1):	X (in)	Y (in)
Position 1 (1^st check)	0.0021	0.0007
Position 1 (2^nd check)	0.0020	0.0005
Position 1 (3^rd check)	0.0032	-0.0014
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: 1.065	Loc 1: 1.065
Loc 2: 1.071	Loc 2: 1.076
Loc 3: 1.070	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-56

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: 7/10/2001 Ambient Temperature ______________ deg. C.

Operator(s) Michael Rogers

Comment

Fiducial – Measured Coordinates	z	x	y
	(in)	(in)	(in)
TB1	-4.3352	4.2147	15.5027
TB2	4.2918	4.2111	15.5093
TB3	-4.4437	-10.4899	12.5442
TB4	3.4627	-10.5333	12.5218
TB5	-4.6088	-15.0690	-0.0059
TB6	4.5428	-15.0697	0.0605

(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	-0.0008	-0.0016
Position 3	0.0052	-0.0017
Position 4	0.0041	0.0003
Position 5	0.0062	0.0044
Position 6	-0.0023	0.0043

Approval ________________________