Fluke Digital Multimeter Manuale per l'uso e la cura

©Fluke Calibration 2011 Basics Of Measurement Uncertainty for DMM Calibration 1

Applying Measurement Uncertainty To

Digital Multimeter Calibration

An introductory study of measurement

uncertainty and its application to digital

multimeter calibration

Teleconference:

US & Canada Toll Free Dial-In Number: 1-(866) 230-5936

International Dial-In Number:+1-281-913-1100

Conference Code: 1010759559

©Fluke Calibration 2011 Basics Of Measurement Uncertainty for DMM Calibration 2

Welcome

Greetings from –

Fluke Corporation

Everett, Washington, USA

We are very pleased to bring you this

presentation on measurement

uncertainty for DMM Calibration.

©Fluke Calibration 2011 Basics Of Measurement Uncertainty for DMM Calibration 3

Welcome

This presentation is based on Fluke’s

extensive experience with:

−Use and design of calibration

Instruments

−Our experience and understanding of the

problems faced when applying

measurement uncertainty for both

regular and accredited metrology

Thanks for your time, we hope you find it

both valuable and useful.

Welcome and Thanks!

©Fluke Calibration 2011 Basics Of Measurement Uncertainty for DMM Calibration 4

Presented by

Fluke’s Calibration Business Unit

and Jack Somppi

Electrical Calibration Instruments

Product Line Manager

jack.somppi@fluke.com

©Fluke Calibration 2011 Basics Of Measurement Uncertainty for DMM Calibration 5

Web seminar etiquette

•Choice of Audio –VOIP or Teleconference

−VOIP receives audio only while teleconference is two way

sound

• Don’t mute your phone if you have background

music enabled

•Use Q&A or chat to send me questions or request

clarification

•There will be an opportunity throughout the

discussion to pause and ask questions.

•You can view the material using either full screen

or multi window methods

©Fluke Calibration 2011 Basics Of Measurement Uncertainty for DMM Calibration 6

Applying Measurement Uncertainty To

Digital Multimeter Calibration

An introductory study of measurement

uncertainty and its application to digital

multimeter calibration

©Fluke Calibration 2011 Basics Of Measurement Uncertainty for DMM Calibration 7

Objectives

In this session you will -

•Be introduced to the concept of measurement

uncertainty and why it is important

•Observe the basic elements that influence

measurement uncertainty for DMM calibration

applications

•Study a simple but detailed example of calculating

measurement uncertainty

•Consider some benefits of automating measurement

uncertainty calculations

•Receive a variety of references for further research on

this topic

©Fluke Calibration 2011 Basics Of Measurement Uncertainty for DMM Calibration 8

Benefits

•Introduce measurement uncertainty to

those in calibration/metrology who are

not familiar with it

•Understand why measurement

uncertainty is important for quality

metrology

•Understand measurement uncertainty

with respect to DMM calibration

•Appreciate to the benefits of automation

•Have technical references for more

detailed information

•Obtain copies of this presentation via

©Fluke Calibration 2011 Basics Of Measurement Uncertainty for DMM Calibration 9

Measurement Uncertainty

& Why It Is Important

©Fluke Calibration 2011 Basics Of Measurement Uncertainty for DMM Calibration 10

Facts regarding measurement -

•Can you ever measure the true value of

something?

−No, there will always be errors

•How important is this fact?

−Very important, as measurement is never complete

unless you know how good it is!

• How is this taken into account in today’s

calibration & metrology?

−By applying & documenting the measurement uncertainty

process to the tests being done

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