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Tom Bassi

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What Technology is Best for Precision Vacuum Measurement?

Posted by Tom Bassi on Aug 20, 2014 10:00:00 AM

INTRODUCTION: Any time you try to do a job with inaccurate data, it will take longer and cost more. You know this deep down, but if your gauge is sub-par, maybe you're just a bit attached to that ol' hunk-o-metal you've been using. There are many industry discussion groups out there with posts from seasoned professionals in the vacuum industry which urge that technicians should not opt for cheap equipment, which often sacrifices accuracy in vacuum measurement. If the inaccuracies are great enough,  a job will never get done properly. For this reason, it is important for professionals and technicians who 
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Topics: HVAC, Calibration, Accuracy

Understanding Vacuum Measurement: Key Terms

Posted by Tom Bassi on Jun 10, 2014 8:00:00 AM

In the vacuum industry, and when working with digital vacuum gauges, key terms that one must understand are measurement and pressure.  Better grab an Espresso for this one.... In the following infographic, ambient pressure 
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Topics: HVAC, Accuracy

Are Your Vacuum Gauges NIST calibrated? See Why It Matters

Posted by Tom Bassi on Jun 5, 2014 3:29:00 PM

The National Institute of Standards and Technology (NIST), is a measurement standards laboratory whose mission is to maintain the integrity and consistency of measurement standards in the US. NIST standards ensure consistency of measurement and are applied to digital vacuum instrumentation. Technical requirements are published in Handbook 44 that provides the "Specifications, tolerances, and other technical requirements for weighing and measuring devices". Um, HELLO vacuum gauge manufacturers....take a listen here.... As a vacuum consumer, why is this important to you? You want to make sure that your vacuum gauge is consistent and reliable, 
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Topics: Calibration, Accuracy