Section 5-7D15
CALIBRATION
INTRODUCTIONTEST EQUIPMENTREQUIRED
To ensure instrument accuracy, check the calibration
of the 7D15 every 1000 hours of operation or every six
GENERAL
months, ifused infrequently.Before complete calibration,
thoroughly clean and inspect thisinstrument as outlinedThe testequipment and accessories (or itsequivalent)
in the Maintenance section.required for complete calibrationof the 7D15 are listedin
Table 5-1.Specificationsgiven for the testequipment are
the minimumnecessary for accurate calibration.
TEKTRONIXFIELD SERVICETherefore, the specificationsof any testequipment used
must meet or exceed the listedspecifications. All test
Tektronix, Inc.,provides complete instrument repair
equipment is assumed to be correctly calibrated and
and recalibrationservice at local Field Service Centersthe listed specifications. Detailed
operating within
and the Factory Service Center . Contact your local field
operating instructionsfor thetestequipment are not given
officeor representativefor further information.for the
inthisprocedure .Refer to the instructionmanual
testequipment ifmore information isneeded .
PERFORMANCECHECK
The performance ofthisinstrument can be checked bySPECIALCALIBRATIONFIXTURES
performing only the ~/ CHECKsteps. Performing the
Special Tektronix calibrationfixturesare used inthis
steps marked with a ~/ indicates that the instrument is
procedure only where they facilitateinstrument calibra-
checked against the tolerances listedas a Performance
tion.These specialcalibrationfixturesare availablefrom
Requirement(see Specification section in Operators
Tektronix, Inc.Order by part number through your local
Manual) .
Tektronix Field Office or representative.
Limits and tolerances given in other check steps are
calibration guides and should not be interpreted asCALIBRATIONEQUIPMENTALTERNATIVES
instrument specifications. Front-panel adjustments are
Allofthe listedtestequipment isrequiredtocompletely
adjusted as partof the Performance Check procedure .
check and adjust this instrument. The calibration
procedure isbased on the firstitem of equipment given as
an example of applicable equipment .When other equip-
CALIBRATION
ment is substituted,control settings or the calibration
To verifyproper calibrationof the 7D15 and to preventsetup may need to be altered slightlyto meet the
unnecessary recalibrationof the entireinstrument, per-requirements of the substituteequipment .Ifthe exact item
form the Adjust- portion of a step only ifthe toleranceof test equipment given as an example in the Test
given inthe Check-partof the step isnot met .Equipmentlist is not available, first checkthe
Specificationscolumn carefullyto see ifany other equip-
ment is available which might suffice. Then check the
For best overallinstrument performance when perfor-Usage column to see what thisitem of testequipment is
ming a complete calibrationprocedure, make each adjust-used for.Ifused fora check oradjustment thatisof littleor
ment to the exact setting even ifthe Check-iswithinno importance to your measurementrequirements, the
allowable tolerance.item and corresponding step(s) can be deleted. |
ACEC
