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Sealing Tester

24.01.13 Criteria for Determining Airtightness-Cover

An article to understand the air tightness tester equipment to determine the standard of good and defective products

This paper introduces the working principle of the air tightness tester and the criteria for judging whether a product is air tight or not. It assesses whether a product is qualified or not by measuring the leakage volume/leakage rate, which are key indicators of a product's sealing performance. The article also discusses how to set the values of leakage volume and leakage rate, and emphasizes the importance of further testing of products close to the thresholds in specific cases.

Pressure Gauge

What are the common units of pressure for air tightness testers, and what is the difference between Pa, kPa and MPa?

This paper introduces the working principle of the airtightness tester and common pressure units, including Pa, kPa, MPa, mmHg, bar, mbar, psi, etc., and explains the conversion relationship between pascals, kilopascals and megapascals. It also emphasized the importance of accuracy and detection speed of the airtightness tester, and mentioned the high precision airtightness tester of JCGK brand.

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