Sextupole Magnet Checks			25S-72
	Date:	Magnet:	Operator(s):
	8/13/2001	25S-72	Michael Rogers
	Notes:

Magnetic Fiducial Coordinates: (inches)
	Fiducial	Z	X	Y
	TB1	-4.3717	4.1991	15.5017
	TB2	4.3190	4.2019	15.5026
	TB3	-4.4191	-10.5307	12.5179	Offset:
	TB4	3.4616	-10.5198	12.5238	0.0000	inches
	TB5	-4.6036	-15.0607	0.0738
	TB6	4.5290	-15.0627	0.0769
	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	0.0001
Position 2	-0.0039	-0.0056
Position 3	0.0043	-0.0060
Position 4	0.0022	-0.0032
Position 5	0.0033	-0.0012
Position 6	0.0012	-0.0012

Mandrel Check (Position 1):	X (in)	Y (in)
Position 1 (1^st check)	0.0020	-0.0004
Position 1 (2^nd check)	0.0022	-0.0002
Position 1 (3^rd check)	0.0024	-0.0005
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: 1.066	Loc 1: 1.065
Loc 2: 1.072	Loc 2: 1.073
Loc 3: 1.070	Loc 3: 1.073

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-72

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: 8/13/2001 Ambient Temperature ______________ deg. C.

Operator(s) Michael Rogers

Comment

Fiducial – Measured Coordinates	z	x	y
	(in)	(in)	(in)
TB1	-4.3717	4.1991	15.5017
TB2	4.3190	4.2019	15.5026
TB3	-4.4191	-10.5307	12.5179
TB4	3.4616	-10.5198	12.5238
TB5	-4.6036	-15.0607	0.0738
TB6	4.5290	-15.0627	0.0769

(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	-0.0041	-0.0057
Position 3	0.0042	-0.0061
Position 4	0.0021	-0.0033
Position 5	0.0032	-0.0013
Position 6	0.0011	-0.0013

Approval ________________________