Sextupole Magnet Checks			21S-33
	Date:	Magnet:	Operator(s):
	12/19/2001	21S-33	Michael Rogers
	Notes:
	Remeasured D/S position 4 one piece mandrel. Remeasured U/S position 1 three piece mandrel.

Magnetic Fiducial Coordinates: (inches)
	Fiducial	Z	X	Y
	TB1	-3.6225	4.2170	15.5063
	TB2	3.7365	4.2172	15.5079
	TB3	-3.6024	-10.5275	12.5232	Offset:
	TB4	2.2649	-10.6069	12.4943	0.0000	inches
	TB5	-3.7457	-15.0617	0.0141
	TB6	3.7324	-15.0620	0.0244
	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	0.0003
Position 2	-0.0002	0.0001
Position 3	-0.0001	-0.0001
Position 4	0.0013	-0.0029
Position 5	0.0016	-0.0019
Position 6	0.0018	-0.0021

Mandrel Check (Position 1):	X (in)	Y (in)
Position 1 (1^st check)	0.0021	0.0005
Position 1 (2^nd check)	-0.0023	0.1089
Position 1 (3^rd check)	0.0017	0.0006
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: 1.069
Loc 2: 1.070	Loc 2: 1.071
Loc 3: 1.068	Loc 3: 1.068

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-33

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 D/S position 4 one piece mandrel. Remeasured U/S position 1 three piece mandrel.

Fiducial – Measured Coordinates	z	x	y
	(in)	(in)	(in)
TB1	-3.6225	4.2170	15.5063
TB2	3.7365	4.2172	15.5079
TB3	-3.6024	-10.5275	12.5232
TB4	2.2649	-10.6069	12.4943
TB5	-3.7457	-15.0617	0.0141
TB6	3.7324	-15.0620	0.0244

(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	-0.0002	-0.0002
Position 3	-0.0001	-0.0004
Position 4	0.0013	-0.0031
Position 5	0.0016	-0.0022
Position 6	0.0018	-0.0024

Approval ________________________