Sextupole Magnet Checks			25S-52
	Date:	Magnet:	Operator(s):
	6/11/2001	25S-52	Michael Rogers
	Notes:
	Bad data for D/S 2D line.

Magnetic Fiducial Coordinates: (inches)
	Fiducial	Z	X	Y
	TB1	-4.3324	4.2178	15.5048
	TB2	4.3014	4.2060	15.5088
	TB3	-4.3842	-10.5158	12.5289	Offset:
	TB4	3.4612	-10.5129	12.5313	0.0000	inches
	TB5	-4.2666	-15.0633	0.0420
	TB6	4.2528	-15.0633	-0.1663
	Description:
	Fiducial values based on the measured mechanical center line.

Sextupole Mechanical Centerline Checks:

Mandrel Check (4 Positions):	X (in)	Y (in)
Position 1	-0.0002	0.0002
Position 2	-0.0027	-0.0044
Position 3	0.0004	-0.0035
Position 4	0.0013	-0.0061
Position 5	0.0031	-0.0035
Position 6	0.0025	-0.0035

Mandrel Check (Position 1):	X (in)	Y (in)
Position 1 (1^st check)	0.0022	0.0001
Position 1 (2^nd check)	0.0021	0.0004
Position 1 (3^rd check)	0.0020	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: 1.064	Loc 1: 1.069
Loc 2: 1.075	Loc 2: 1.073
Loc 3: 1.068	Loc 3: 1.065

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-52

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: 6/11/2001 Ambient Temperature ______________ deg. C.

Operator(s) Michael Rogers

Comment
Bad data for D/S 2D line.

Fiducial – Measured Coordinates	z	x	y
	(in)	(in)	(in)
TB1	-4.3324	4.2178	15.5048
TB2	4.3014	4.2060	15.5088
TB3	-4.3842	-10.5158	12.5289
TB4	3.4612	-10.5129	12.5313
TB5	-4.2666	-15.0633	0.0420
TB6	4.2528	-15.0633	-0.1663

(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	-0.0025	-0.0046
Position 3	0.0006	-0.0037
Position 4	0.0015	-0.0063
Position 5	0.0033	-0.0037
Position 6	0.0027	-0.0037

Approval ________________________