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Agilent Technologies 5530 Getting Started Guide

Agilent Technologies 5530
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Chapter 8 Ensuring Repeatability, Accuracy, and Resolution
Optimizing Repeatability From One Calibration to the Next
Getting Started Guide 8-13
8
Optimizing Repeatability From One
Calibration to the Next
Repeatability is a measure of consistency from one calibration to the next
(see Figure 8-1). The metrology software helps you make consistent
measurements by enabling you to recall saved setup files and open online
setup diagrams. Make your measurements carefully and follow these
guidelines:
Set up the measurement the same way each time.
Keep your deadpath consistent. Use the same distance between optics
each time.
Place the sensors in the same place each time.
Standardize the machine environment; for example:
Match the conditions surrounding the measurement as closely as
possible from one calibration to the next.
Be sure the machines foundation is rigid and will not move with
the machine’s motion.
Keep the temperature around the machine as stable as possible.
Remember, unless your work area is temperature-controlled, the
temperature may change as you travel up from the machine’s base
as well as along the machine’s length.
Use the same optics and environmental sensors from one
calibration to the next.
Attach the measurement and reference retroreflectors to the
interferometer. Then, watch the measurement display for any
fluctuations indicating noise from the electronics.
Noise from the electronics is rarely a problem and you normally will
not see any fluctuations.

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Agilent Technologies 5530 Specifications

General IconGeneral
BrandAgilent Technologies
Model5530
CategoryTest Equipment
LanguageEnglish

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