Sextupole Magnet Checks			21S-08
	Date:	Magnet:	Operator(s):
	11/19/2001	21S-08	Michael Rogers
	Notes:

Magnetic Fiducial Coordinates: (inches)
	Fiducial	Z	X	Y
	TB1	-3.7355	4.2046	15.5085
	TB2	3.7531	4.1630	15.5071
	TB3	-3.6382	-10.4936	12.5414	Offset:
	TB4	2.2707	-10.5174	12.5302	0.0000	inches
	TB5	-3.7409	-15.0632	0.0106
	TB6	3.7582	-15.0631	0.0143
	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	0.0002
Position 2	-0.0018	-0.0019
Position 3	0.0049	-0.0007
Position 4	0.0025	0.0033
Position 5	0.0006	-0.0002
Position 6	0.0008	-0.0002

Mandrel Check (Position 1):	X (in)	Y (in)
Position 1 (1^st check)	0.0017	0.0010
Position 1 (2^nd check)	0.0025	-0.0005
Position 1 (3^rd check)	0.0014	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: 1.069	Loc 1: 1.068
Loc 2: 1.070	Loc 2: 1.069
Loc 3: 1.072	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 21S-08

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: 11/19/2001 Ambient Temperature ______________ deg. C.

Operator(s) Michael Rogers

Comment

Fiducial – Measured Coordinates	z	x	y
	(in)	(in)	(in)
TB1	-3.7355	4.2046	15.5085
TB2	3.7531	4.1630	15.5071
TB3	-3.6382	-10.4936	12.5414
TB4	2.2707	-10.5174	12.5302
TB5	-3.7409	-15.0632	0.0106
TB6	3.7582	-15.0631	0.0143

(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	-0.0018	-0.0021
Position 3	0.0049	-0.0009
Position 4	0.0025	0.0031
Position 5	0.0006	-0.0004
Position 6	0.0008	-0.0005

Approval ________________________