What is airtightness testing?

Airtightness Tester is an instrument used to test the sealing and waterproofing performance of products, it is by inflating the inner cavity of the product, cutting off the air source, stabilizing the air pressure at the same time, analyzing the internal, calculating the differential pressure value of the product leakage, to determine whether the product is leaking, so it is also called the airtightness leak tester, leakage tester, waterproof tester, sealing tester. Airtightness tester can be applied in various industries and fields, such as new energy, household appliances, auto parts, consumer electronics, medical devices, security lighting, valves and pipes, wire connectors and so on, to ensure the safety and durability of the products.

Practical application of air tightness tester in various industries

What are the advantages of air tightness tester?

Gas Tightness Tester has the following advantages:

Measurement Accuracy: Gas Tightness Tester adopts the micro differential pressure sensor and high-precision flowmeter, which can accurately measure the leakage amount and leakage rate of the product, avoiding the human error and subjective judgment.

Fast test: The air tightness tester can complete the test in a short time, improve the production efficiency and quality control level.

Simple operation: The air tightness tester is easy and convenient to operate, just put the product into the test fixture, press the start button, then the test can be carried out automatically and the test results will be displayed.

Non-destructive energy saving: Air tightness tester adopts non-destructive testing method, which will not cause damage or waste to the product and save material and energy.

JCGK Precision Engineering Air Tightness Tester

What are the types of air tightness testers?

Based on the different testing principles and methods, the airtightness tester can be divided into the following types:

Positive Pressure: Positive Pressure Airtightness Tester is to fill the product cavity with compressed air or other gases, after cutting off the gas source, observe the internal pressure change The leakage rate is calculated by using the leakage volume and leakage rate of the product. Positive-pressure type is suitable for products with high requirements for the external environment, such as outdoor lamps and lanterns, water purifier cartridges and so on.

Negative pressure type: Negative pressure type air tightness tester is to pump the inner cavity of the product into a vacuum, after cutting off the vacuum source, observe the change of the internal pressure, calculate the amount of leakage and leakage rate. Negative pressure type is suitable for products without special requirements for the external environment, such as automobiles, home appliances, medical equipment and so on.

Differential Pressure Type: Differential pressure type air tightness tester is to fill the inner cavity of the product with air or other gases at a certain pressure, and after cutting off the gas source, compare it with a stable reference cavity, observe the change of pressure difference between the two, and calculate the leakage amount and leakage rate. Differential pressure type is suitable for products that require high testing accuracy, such as electronic components, die casting, valves, etc.

......

Limited to space, not to expand one by one, you can read the following link article:

How to choose the air tightness tester? An article to read a variety of waterproof sealing equipment testing principles and methods

How to choose the right airtightness tester?

Selecting the right airtightness tester requires consideration of the following factors:

Testing range: According to the size, shape, structure and other characteristics of the product, select the appropriate test fixture and connection to ensure the stability and reliability of the testing process.

Testing Accuracy: According to the leakage standard and quality requirements of the product, choose the appropriate sensor and flow meter to ensure the accuracy and repeatability of the test results.

Testing speed: According to the production line's beat and efficiency requirements, select the appropriate filling and deflating speed and stabilization time, to ensure the rapidity and continuity of the testing process.

Test Function: According to the processing and analyzing requirements of the test data, select the appropriate display screen, storage mode, printing mode, communication mode and other functional modules, to ensure that the testing process is convenient and intelligent.

JCGK engineers give customers customized air tightness testing solutions

How to correctly use and maintain the air tightness tester?

Correct use and maintenance of the airtightness tester need to pay attention to the following points:

Before use: Before use, you should first check the equipment is intact, the power supply is normally connected, whether the pipeline is unobstructed, and preheating and calibration operation.

In use: In use should be in accordance with the operating instructions for operation, and comply with the safety norms, avoid touching the high temperature or high pressure parts, and deal with the abnormal situation in a timely manner.

After use: After use, you should turn off the power and cut off the gas source, and clean up the surface of the equipment and the internal dust or debris, and properly store the equipment and related information.

Airtightness tester use training site

Want to know more detailed airtightness testing program and application cases, please pay attention to the Jingcheng Industrial Technology airtightness