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Category: Measurement Risk

Let's Talk about Bias: The Force Measurement Error Kind!

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Let's Talk about Bias: The Force Measurement Error Kind! What can happen when we use an accuracy specification and assume all the measurements are centered in relation to the specification limits? It is a typical problem in the metrology community, where many papers assume a centered process or Measurement. When the Measurement deviates from the […]
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The New Dimension to Resolution: Can it be Resolved?

The New Dimension to Resolution: Can it be Resolved? Our last blog, Device Resolution and the Impact on Consumer Risk, described why best practices should be followed for conformity assessments rather than drafting individual test protocols and standards. How should manufacturers and calibration laboratories correctly calculate both uncertainty and risk on equipment? Risk, Conformity Assessment, […]
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Device Resolution and the Impact on Consumer Risk

Device Resolution and the Impact on Consumer Risk - Intro If a device's uncertainty has too coarse of a resolution, then you need a device that does not subject the conformance decision to higher risk. This blog will present examples that demonstrate why best practices should be followed for conformity assessments rather than drafting individual […]
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Specifying a Tolerance, the Difference Between Percentage of Indicated Value vs % of Full-Scale Output

Specifying a Tolerance, the Difference Between Percentage of Indicated Value vs % of Full-Scale Output - Intro In looking at various equipment, it seems the force equipment in the test and measurement industry specifically has mainly specified tolerances as a percent of full scale. Several crane scales, tension links, and hand-held force gauges follow this […]
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Why a 4:1 TUR is Not Enough: The Importance of Analyzing the Probability of False Accept Risk

Why a 4:1 TUR is Not Enough: The Importance of Analyzing the Probability of False Accept Risk Figure 1 Graph Showing Method 5 Acceptance Limits Several organizations and publications reference the use of a 4:1 Test Uncertainty Ratio (TUR). Some standards even reference a TUR requirement greater than or equal to 4:1. The question to […]
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What Happens When You Overshoot a Test Point? (How Bad Could it be?)

What Happens When You Overshoot a Test Point? Various calibration laboratories use hydraulic, screw, and other force calibration machines where it is difficult not to overshoot a test point.  By talking about overshooting a test point, we are referring to loading past the desired point and then letting the creep in the hydraulic system naturally […]
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The Top 5 Costly Force Measurement Mistakes

The Top 5 Costly Force Measurement Mistakes #1 of 5 Costly force measurement mistakes Most calibration laboratories will say a device is "In Tolerance" without considering the uncertainty of their measurement process. This equates to you not using a calibration laboratory that has standards to meet your needs and accounts for measurement risk properly. Most […]
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How Do You Know if Your Device is “In-Tolerance”? Why the Location of the Measurement is More Important than You May Realize

How Do You Know if Your Device is “In-Tolerance”? Why the Location of the Measurement is More Important than You May Realize Calling an instrument “In Tolerance” is about the location, location, and location of the measurement. It’s also about the uncertainty of the measurement, but a bad location is going to raise the Probability […]
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Making a Statement of Compliance: The 3 Main Reasons Calibration Laboratories Fail to Get Things Right

Making a Statement of Compliance: The 3 Main Reasons Calibration Laboratories Fail to Get Things Right Making a statement of compliance introduction. About a year after turning 40, I bought a pair of reading glasses.  After another year, I started noticing a decrease in my overall vision and figured I needed to visit an eye […]
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3 Rules to Reduce Your Measurement Risk

3 Rules to Reduce Your Measurement Risk 3 Rules to Reduce Your Measurement Risk Bad Measurements Happen! Technicians are Fallible! The Wrong Equipment is Used! Almost everyone has had problems related to bad measurement practices—some of which have resulted in serious devastation.  There was the BP oil refinery explosion in Texas, the Hubble telescope with […]
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Confidence in Your Results Starts with Morehouse Accurate Load Cell Calibration Service

Confidence in Your Results Starts with Morehouse Accurate Load Cell Calibration Service Accurate Load Cell Calibration Service The Morehouse Difference We guarantee an exceptional customer experience, and will not compromise when it comes to providing you with the best possible calibration service. Discover the benefits of using a results-oriented calibration provider by calling Morehouse today. Accurate Load Cell […]
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The 3 Important Changes to ISO 9001 Compliance and What This Means for Force and Torque Instrumentation

The 3 Important Changes to ISO 9001 Compliance and What This Means for Force and Torque Instrumentation The 3 Key Changes to ISO 9001 Compliance and What this Means for Force and Torque Instrumentation are discussed in detail in this article. What you need to know about documented procedures, preventative actions, and top management. Change […]
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