Sextupole Magnet Checks			25S-50
	Date:	Magnet:	Operator(s):
	6/12/2001	25S-50	Michael Rogers
	Notes:

Magnetic Fiducial Coordinates: (inches)
	Fiducial	Z	X	Y
	TB1	-4.2258	4.2340	15.5090
	TB2	4.3097	4.2574	15.5075
	TB3	-4.4242	-10.5272	12.5276	Offset:
	TB4	3.4359	-10.5317	12.5244	0.0000	inches
	TB5	-4.3168	-15.0667	0.0231
	TB6	4.3619	-15.0633	0.0429
	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	0.0002
Position 2	-0.0016	-0.0031
Position 3	0.0050	-0.0024
Position 4	0.0049	-0.0028
Position 5	0.0072	0.0011
Position 6	-0.0001	0.0015

Mandrel Check (Position 1):	X (in)	Y (in)
Position 1 (1^st check)	0.0025	-0.0004
Position 1 (2^nd check)	0.0023	-0.0001
Position 1 (3^rd check)	0.0020	0.0004
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: 1.066	Loc 1: 1.069
Loc 2: 1.074	Loc 2: 1.074
Loc 3: 1.072	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 25S-50

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: 6/12/2001 Ambient Temperature ______________ deg. C.

Operator(s) Michael Rogers

Comment

Fiducial – Measured Coordinates	z	x	y
	(in)	(in)	(in)
TB1	-4.2258	4.2340	15.5090
TB2	4.3097	4.2574	15.5075
TB3	-4.4242	-10.5272	12.5276
TB4	3.4359	-10.5317	12.5244
TB5	-4.3168	-15.0667	0.0231
TB6	4.3619	-15.0633	0.0429

(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	-0.0017	-0.0033
Position 3	0.0048	-0.0026
Position 4	0.0047	-0.0030
Position 5	0.0070	0.0009
Position 6	-0.0002	0.0013

Approval ________________________