HP 5528A User Manual

M odel 552 8A
S
quar en ess M eas ur eme nt s ( In a Vertic al Pl a ne l
10 . Further adjust the Reflector M ount 's m icro meters um il the Beam St rength meter indi ca tion
is at a ma x imum .
Checking Alignment For Beam Strength
Mo ve the ma c hin e over its full tra vel range, making s ur e Ihal BEAM S TR ENG TH is adequate ( in
the gr ee n areal al all p os ili ons.
If be am s tl e n ~ lh decrea ses al any p oi nt , -
a. Check (or clipping of the b
ea m by Ih e Op tic s. Rep os ition Ihe Op ti cs , if n ecessa ry, a nd
then r e·c heck .
b. If you see part of the return beam on the edge of the Ex it (top) port, rotate the la se r He ad
unlil Ihe return beam disappears.
If this didn 't correct the "re du ce d b ea m strength " problem, refer 10 the " Manual
Rem ova l of Slo pe" inform at ion bel ow .
NOTE
If the BEAM S TRE N GTH indication never reach es the rig ht·hand
ha lf of the meter 's range,at any point al ong the Opti cs' full tra ve l
di stance, y our Opt ic. .. m ay n ee d cleanin g. Thoroughly cl ea n all
optic al surfa ces , as desc rib ed in Sec tion 20 of this Use r 's G uid e.
Checking For Mi s- Alignment Between the L ase r Beam and the Optic s Travel Path
("Slope")
Foll ow the in st ru ct ions given und er thi s h ea d ing in Sec tion 11 .
Manual Removal of Slope
Foll ow the In structions gi ve n under this h ea ding il' Sec tion '1 . Try to remove as much slope as
p oss ible; this will help make il easier to get adequate be am strength when you meas ur e the
second axis.
Measurement Display Settings
1. Use thc i ns tructions gi ve n in Sec tion 10 of (his Use r 's G uid e.
2. Wh en e nt ering valu cs for [he S ET UP k eys. be s ur e you c ho ose the correcl sign con ve ntion for
DIR S EN SE. Th e sign convention is crili c al il' a S qu aren ess measurement. Us e the instruc tion s
gi ve n in Sec ti on 21 of this Use r 's G uid e. under the heading of "S qu aren ess Sign
Con ve ntion s" .
Making A Measurement
System Checks
1. Use the instruct io ns in Sec ti on 10 for "SYSTEM CH EC K S" , under " M A KI NG A MEASU RE-
MENT" .
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HP 5528A Specifications

General

Brand	HP
Model	5528A
Category	Measuring Instruments
Language	English