HP 5528A User Manual

Model 5528A
Squareness Mea s ur ements ( In A H orizo nt al Plane)
Figure 12-9. R esu lt of Horizontal Motion Adju stment (0 the S /f iligh tn ess Re fl cc f or
c. Adjus tth c Reflector Mount 's ve rtical motion micrometer until both dots di sa ppear into
the Opti c al Square's slo t.
5. Look ilt the La ser Head. You sho uld see t wo dols. If you don't see the dot s
il. Look ilt the s id e of the Inte rf erome ter facing the Optical Square.
b.
You s hould see either one or t wo closely s pa ced dot s on the Interferometer.
c. Adjust the Reflec tor Mount 's micrometers until the dot (5) disappear into the Inter -
ferometer.
d. Look at the La ser H ea d. You sho uld now see the dot (s) on the front of the La se r Head.
6. Turn the bezel until the dots overlap.
7. Adju sll he Reflector Mount's mic rometer s until the overlapping dots are ce nt erd on the exit
port, and " ha lo" the small apertur e.
6. Se t the Laser H ea d 's turret ring to "STRAIGHT ".
9. Se lect the La se r Head ex it pOri's lar ge aperture.
10. Turn the bezel slightly until the La se r I-lead's "SI GNAL" light co me s on anu the BE AM
S TRE NGTH meter indica ti on is in the green ar ea.
NOTE
O
nl y a s li ght adjustment of the bezel is necessary to do Ihi s.
11 . Further adjust the Re fl ector Moum 's micr ome ter s unlilthc Beam S trenth meter indication is
at a maximum.
12-15

HP 5528A Specifications

General

Brand	HP
Model	5528A
Category	Measuring Instruments
Language	English