Sextupole Magnet Checks			25S-60
	Date:	Magnet:	Operator(s):
	7/11/2001	25S-60	Michael Rogers
	Notes:

Magnetic Fiducial Coordinates: (inches)
	Fiducial	Z	X	Y
	TB1	-4.3141	4.2104	15.5086
	TB2	4.3131	4.1929	15.5089
	TB3	-4.3484	-10.5358	12.5180	Offset:
	TB4	3.4875	-10.5050	12.5357	0.0000	inches
	TB5	-4.4738	-15.0665	0.0509
	TB6	4.5526	-15.0645	0.0278
	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	0.0000
Position 2	0.0011	0.0015
Position 3	0.0016	0.0017
Position 4	0.0020	0.0017
Position 5	0.0019	0.0015
Position 6	-0.0007	0.0009

Mandrel Check (Position 1):	X (in)	Y (in)
Position 1 (1^st check)	0.0016	0.0004
Position 1 (2^nd check)	0.0008	0.0012
Position 1 (3^rd check)	0.0009	0.0001
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: 1.070
Loc 2: 1.070	Loc 2: 1.070
Loc 3: 1.070	Loc 3: 1.071

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-60

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: 7/11/2001 Ambient Temperature ______________ deg. C.

Operator(s) Michael Rogers

Comment

Fiducial – Measured Coordinates	z	x	y
	(in)	(in)	(in)
TB1	-4.3141	4.2104	15.5086
TB2	4.3131	4.1929	15.5089
TB3	-4.3484	-10.5358	12.5180
TB4	3.4875	-10.5050	12.5357
TB5	-4.4738	-15.0665	0.0509
TB6	4.5526	-15.0645	0.0278

(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	0.0015
Position 3	0.0017	0.0017
Position 4	0.0021	0.0017
Position 5	0.0020	0.0015
Position 6	-0.0007	0.0009

Approval ________________________