The Metrologist

Miles to Empty

 

How Accurate is the Mileage Prediction in Your Car

The last two vehicles I’ve owned have had...

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Out Of Tolerance-To Adjust, Or Not To Adjust

 

 

A Look at Adjustment Thresholds and Risk Tolerance

Throughout my career in metrology, I’ve...

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Reviewing the millivolt connection to thermocouple uncertainties

 

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What is the difference between Conductivity and TDS?

 

All circles are round, but not all round things are circles.

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How To Read a ISO 17025 Scope of Accreditation

 

 

What is a “Scope of Accreditation?”

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What PROFICIENCY TESTING means to the customer of calibration.

 

 

It must be audit season

It seems like the middle of May every year when the phones start...

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How To Build A Calibration Curve

 

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How To Calibrate A Pressure Transducer

 

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How to specify analog gages for pressure and temperature?

 

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What Does It Really Mean When Something Is Marked For Reference Only?

 

 

 If you “Refer” to it, shouldn’t it be calibrated?

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