Sextupole Magnet Checks			21S-37
	Date:	Magnet:	Operator(s):
	12/19/2001	21S-37	Michael Rogers
	Notes:
	Remeasured U/S position 1 3 piece mandrel check.

Magnetic Fiducial Coordinates: (inches)
	Fiducial	Z	X	Y
	TB1	-3.7014	4.2185	15.5111
	TB2	3.6715	4.2563	15.5125
	TB3	-3.6313	-10.5022	12.5384	Offset:
	TB4	2.3135	-10.5380	12.5161	0.0000	inches
	TB5	-3.8258	-15.0631	0.0163
	TB6	3.7536	-15.0619	0.0220
	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	0.0001
Position 2	0.0015	0.0032
Position 3	0.0000	0.0018
Position 4	0.0025	-0.0020
Position 5	0.0045	0.0013
Position 6	-0.0001	0.0006

Mandrel Check (Position 1):	X (in)	Y (in)
Position 1 (1^st check)	0.0314	0.1297
Position 1 (2^nd check)	0.0033	-0.0017
Position 1 (3^rd check)	0.0013	0.0008
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: 1.075	Loc 2: 1.070
Loc 3: 1.069	Loc 3: 1.072

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-37

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: 12/19/2001 Ambient Temperature ______________ deg. C.

Operator(s) Michael Rogers

Comment
Remeasured U/S position 1 3 piece mandrel check.

Fiducial – Measured Coordinates	z	x	y
	(in)	(in)	(in)
TB1	-3.7014	4.2185	15.5111
TB2	3.6715	4.2563	15.5125
TB3	-3.6313	-10.5022	12.5384
TB4	2.3135	-10.5380	12.5161
TB5	-3.8258	-15.0631	0.0163
TB6	3.7536	-15.0619	0.0220

(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	0.0015	0.0031
Position 3	0.0000	0.0017
Position 4	0.0025	-0.0022
Position 5	0.0045	0.0011
Position 6	-0.0001	0.0004

Approval ________________________