Sextupole Magnet Checks			25S-73
	Date:	Magnet:	Operator(s):
	9/17/2001	25S-73	Michael Rogers
	Notes:

Magnetic Fiducial Coordinates: (inches)
	Fiducial	Z	X	Y
	TB1	-4.3176	4.2155	15.5069
	TB2	4.3586	4.1859	15.5115
	TB3	-4.4153	-10.5314	12.5168	Offset:
	TB4	3.4169	-10.5289	12.5181	0.0000	inches
	TB5	-4.4807	-15.0642	0.0725
	TB6	4.4324	-15.0588	0.0216
	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	0.0003
Position 2	-0.0006	-0.0008
Position 3	0.0037	-0.0008
Position 4	0.0046	-0.0019
Position 5	0.0065	0.0009
Position 6	-0.0001	0.0011

Mandrel Check (Position 1):	X (in)	Y (in)
Position 1 (1^st check)	0.0018	0.0000
Position 1 (2^nd check)	0.0020	0.0001
Position 1 (3^rd check)	0.0022	-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: 1.068	Loc 1: 1.070
Loc 2: 1.072	Loc 2: 1.073
Loc 3: 1.072	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-73

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: 9/17/2001 Ambient Temperature ______________ deg. C.

Operator(s) Michael Rogers

Comment

Fiducial – Measured Coordinates	z	x	y
	(in)	(in)	(in)
TB1	-4.3176	4.2155	15.5069
TB2	4.3586	4.1859	15.5115
TB3	-4.4153	-10.5314	12.5168
TB4	3.4169	-10.5289	12.5181
TB5	-4.4807	-15.0642	0.0725
TB6	4.4324	-15.0588	0.0216

(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	-0.0011
Position 3	0.0036	-0.0011
Position 4	0.0045	-0.0022
Position 5	0.0064	0.0006
Position 6	-0.0002	0.0008

Approval ________________________