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Metrology Glossary: Leak Tester

What Is A Leak Tester?

Leak testers are devices that detect and measure leaks within products, originating from manufacturing imperfections or gradual wear and tear. Various types of leak testers function by establishing a pressure differential between the interior and exterior of the tested item. In the presence of a leak, this pressure variation leads to either inflation or deflation of the product, which can be discerned through visual inspection or electronic monitoring. Beyond its integral role in quality control, leak testing significantly enhances overall product quality and mitigates the likelihood of product malfunctions.

What Are Leask Testers Used For?

Leak testers are used for optimizing manufacturing procedures by precisely targeting potential leak points, identifying substandard materials, and streamlining production processes to minimize waste and rework. In ensuring product integrity, leak testers are used to detect and quantify leaks across diverse products, identifying manufacturing irregularities, and validating the coherence of assembled components, thereby adhering to quality benchmarks and safeguarding against potential compromises in functionality, safety, or overall performance. Additionally, leak testers are used to enhance product safety and dependability by mitigating the likelihood of malfunctions arising from leaks, proactively identifying safety risks, and promoting product longevity through the prevention of leaks that could result in component damage.

leak detector calibration diagram

Related Terms

Further Reading

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Insulating gases (primarily SF6 but also SF6 blends, N2, g3, and a variety of others) are used in industrial settings to protect switchgear from failure.
March 4, 2024

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Equipment Parts and Components

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Did you know… Cross Company is an ESOP (Employee Stock Ownership Plan). Our ESOP started in 1979 and as of 2006, we are 100% employee-owned! Learn more about our ESOP and how that benefits both team members and our customers.
Did you know... the precision measurement group at Cross was founded in 1939 by our current CEO's grandfather, Jim King. That's a whole lot of calibration!
Did you know... A fingerprint weighs about 50 micrograms. We know, we weighed it! The residue left from a finger can actually make a difference in weight results which is why we wear gloves when we calibrate weights. For reference, a sheet of paper is about 4.5 grams, that’s 4.5 million micrograms.
Did you know… Cross Company has grown significantly since our start in 1954. Over the years we've acquired 26 companies! Today, our five groups have expertise in everything from industrial automation to precision measurement, and industry knowledge going all the way back to 1939.