Sextupole Magnet Checks			21S-27
	Date:	Magnet:	Operator(s):
	11/27/2001	21S-27	Michael Rogers
	Notes:

Magnetic Fiducial Coordinates: (inches)
	Fiducial	Z	X	Y
	TB1	-3.4698	4.2163	15.5059
	TB2	3.5734	4.2031	15.5037
	TB3	-3.6329	-10.5053	12.5371	Offset:
	TB4	2.3495	-10.5136	12.5320	0.0000	inches
	TB5	-3.7535	-15.0623	0.0629
	TB6	3.7255	-15.0611	0.0463
	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	-0.0011	-0.0022
Position 3	0.0013	-0.0023
Position 4	0.0020	-0.0033
Position 5	0.0010	-0.0046
Position 6	0.0030	-0.0051

Mandrel Check (Position 1):	X (in)	Y (in)
Position 1 (1^st check)	0.0023	-0.0006
Position 1 (2^nd check)	0.0020	-0.0005
Position 1 (3^rd check)	0.0021	-0.0007
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: 1.070	Loc 1: 1.071
Loc 2: 1.071	Loc 2: 1.071
Loc 3: 1.069	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-27

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: 11/27/2001 Ambient Temperature ______________ deg. C.

Operator(s) Michael Rogers

Comment

Fiducial – Measured Coordinates	z	x	y
	(in)	(in)	(in)
TB1	-3.4698	4.2163	15.5059
TB2	3.5734	4.2031	15.5037
TB3	-3.6329	-10.5053	12.5371
TB4	2.3495	-10.5136	12.5320
TB5	-3.7535	-15.0623	0.0629
TB6	3.7255	-15.0611	0.0463

(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	-0.0012	-0.0023
Position 3	0.0012	-0.0024
Position 4	0.0019	-0.0034
Position 5	0.0009	-0.0047
Position 6	0.0028	-0.0053

Approval ________________________