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Picture - What is Leakage Rate

Sealability Testing: Concepts, Methods and Equipment Selection Guide

2025-02-12

This article provides a comprehensive analysis of seal testing, covering related concepts, common methods and equipment selection. Sealability testing is crucial for many products to prevent gas or liquid leakage and to ensure normal operation and service life of the products. The paper introduces the concepts of sealing and leakage, describes the testing methods such as water immersion method and pressure decay method, and recommends equipment such as airtightness tester and true water tester.

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Picture - Key Factors in Leakage Classification

Popularization: product sealing leakage test rating standards and methods for details

2025-02-06

This paper describes the rating criteria and methods for product leakage tests for sealing. Leakage is the migration process of gas molecules driven by differential pressure, and the leakage rate is the measurement index. Test rating needs to consider the leakage medium, leakage rate, test pressure and time and other factors. Commonly used methods include immersion method, pressure decay method, differential pressure comparison method and tracer gas method.

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Jingcheng Gongke airtightness tester in the automated production line application

Air tightness testing with air only? Helium, nitrogen, other gases... Choosing the right method is half the battle!

2025-01-16

This article describes the selection of different gases for gas tightness testing and their corresponding detection methods. Air is not the only gas used in hermeticity testing. Commonly used gases are helium, hydrogen, air and nitrogen. Helium and hydrogen are commonly used tracer gases for tracer gas concentration based testing; air and nitrogen are commonly used for pressure/flow rate change based testing.

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Jingcheng Gongke airtightness tester in the automated production line application

How to choose the right air tightness testing instrument according to the shape and size of the product?

2024-12-25

This article describes in detail how to choose the right airtightness testing instrument based on the shape and size of the product, including understanding the product characteristics, choosing the right test method, fixture/jig, test chamber and sensor. Precision Engineering offers customized fixture designs, hermeticity gauges with multiple test methods, custom-sized test chambers and a wide range of sensors to meet the hermeticity testing needs of different products.

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Temperature compensation data comparison

Airtightness tester NG parts test qualified? Reveal the influence of temperature on the test

2024-12-13

This article discusses the influence of ambient temperature on the airtightness test results, revealing that temperature changes may lead to the misclassification of unqualified products as qualified. The article emphasizes the importance of temperature control and proposes strategies such as adopting high-end testing equipment, establishing a standardized testing process and regular calibration and maintenance to improve the accuracy and reliability of airtightness testing.

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How to Use Air Leak Test Equipment

2025 latest airtightness tester installation guide: zero basic beginner must see, airtightness test equipment use method

2024-11-13

This article describes in detail the use of JCGK Jingcheng Engineering desktop airtightness tester, whether you are the first contact with the airtightness testing equipment, or want to improve the operating skills, this article can help you quickly grasp the essentials. The whole text is equipped with video tutorials, so you can easily learn the use of airtightness tester.

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Floor-standing Air Leak Tester Multichannel

Dual-channel floor-standing airtightness testing equipment: from manual water inspection to automated testing quality innovation

2024-10-26

Airtightness testing technology has gone through three innovations of manual water inspection, single station to multi-channel intelligent testing, dual-channel equipment doubling the efficiency and high precision. Widely used in automotive, electronics, medical and other fields, the future is smarter. Precision Industrial Technology is based on the industry with technological innovation and the pursuit of quality.

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Cycling Computers

Precision Engineering Intelligent dual-channel airtightness tester, for the code watch waterproof test revolutionized change

2024-09-09

Say goodbye to traditional testing troubles, JC-DL2 to create a new benchmark for the consumer electronics industry, Precision Engineering JC-DL2 dual-channel airtightness tester, customized, intelligent testing of waterproof performance of the code table, to enhance the testing efficiency and product quality, widely used in electronic product waterproof testing, trusted by customers.

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