Sextupole Magnet Checks			21S-11
	Date:	Magnet:	Operator(s):
	11/14/2001	21S-11	Michael Rogers
	Notes:

Magnetic Fiducial Coordinates: (inches)
	Fiducial	Z	X	Y
	TB1	-3.7308	4.2178	15.5072
	TB2	3.7453	4.1974	15.5097
	TB3	-3.6300	-10.5091	12.5366	Offset:
	TB4	2.2666	-10.5145	12.5271	0.0000	inches
	TB5	-3.7470	-15.0633	0.0243
	TB6	3.7417	-15.0634	0.0170
	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	0.0005
Position 2	-0.0005	-0.0005
Position 3	0.0004	-0.0003
Position 4	0.0019	-0.0030
Position 5	0.0036	-0.0001
Position 6	0.0001	0.0002

Mandrel Check (Position 1):	X (in)	Y (in)
Position 1 (1^st check)	0.0022	0.0001
Position 1 (2^nd check)	0.0021	0.0001
Position 1 (3^rd check)	0.0022	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: 1.067	Loc 1: 1.071
Loc 2: 1.074	Loc 2: 1.069
Loc 3: 1.070	Loc 3: 1.069

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 21S-11

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: 11/14/2001 Ambient Temperature ______________ deg. C.

Operator(s) Michael Rogers

Comment

Fiducial – Measured Coordinates	z	x	y
	(in)	(in)	(in)
TB1	-3.7308	4.2178	15.5072
TB2	3.7453	4.1974	15.5097
TB3	-3.6300	-10.5091	12.5366
TB4	2.2666	-10.5145	12.5271
TB5	-3.7470	-15.0633	0.0243
TB6	3.7417	-15.0634	0.0170

(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	-0.0005	-0.0010
Position 3	0.0005	-0.0008
Position 4	0.0020	-0.0035
Position 5	0.0037	-0.0005
Position 6	0.0002	-0.0003

Approval ________________________