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FACTORY CALIBRATION PROCEDURE
Publication:
061-097
February 5,
1964
CONTENTS:
General
Factory circuit specifications
Factory calibration procedure
Special test equipment
INTRODUCTION:
1
3
5
25
This isn't a field recalibration procedure as is the
procedure in your instruction manual. This is a
guide
'
in calibrating brand -new instruments, just
assembled instruments that have never been turned
on before. Therefore it calls out many procedures
and adjustments that are rarely required for sub
sequent recalibration.
Even though we wrote this procedure primarily for
our own factory test department, it's valuable to
others also if used with some caution:
1.
Special test equipment,
if mentioned, is not
available from Tektronix unless it's listed also in
our current catalog. This special equipment is used
in our test department to speed calibration. Usually
you can either duplicate its function with standard
equipment in your facility, devise alternate ap
proaches, or build the special test equipment your-
self.
.
For all serial numbers
2.
Factory circuit speCifications
are not guaranteed unless they also appear as catalog
or instruction manual specifications. Factory circuit specs usually are tighter than adver
tised specs. This helps insure the instrument will meet or exceed advertised specs after
shipment and during subsequent field recalibrations over several years of use. Your
instrument may not meet factory circuit specs but should meet catalog or igstruction
manual specs.
3.
Presetting internal adjustments,
if mentioned, usually is unnecessary. This is help
ful for "first-time" calibration only. If internal adjustments are preset, you'll have to
perform a 100% recalibration. So don't preset them unless you're certain a "start-from
scratch" policy is the best.
hi
this procedure, all front panel controls for the instrument under test are in capital
letters (SENSITIVITy) and internal adjustments are capitalized only (Gain Adj).
2-5-64
570 CALIBRATION
TEK 570 FCP
1
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