Tightness testerIt is currently used in a wide range of applications, ranging from electronic products to aviation fields, but there are also different applications based on different principles.A category, today Hai Ruisi will share it with you:

Tightness testerAccording to the different testing principles, it can be classified into the following two types: 

1. Negative pressure methodTightness tester: Using vacuum test method 

2. Positive pressure methodTightness tester: Using the principle of positive pressure inflation

Negative pressure seal type

Scope of application

Negative pressure methodTightness tester, professionally suitable for food, pharmaceuticals, medical equipment, daily chemicals, automobiles, electronic components, stationery and other industriesSealing test of industrial packaging bags, bottles, tubes, cans, boxes, etc.The sealing performance test of the test piece after the drop and pressure test can also be carried out.

Technical characteristics

The system adopts digital preset test vacuum degree and vacuum holding time to ensure the accuracy of test data.Using pneumatic components imported from world-renowned countries, the performance is stable and reliableAutomatic constant pressure air supply further ensures that testing can be performed under preset vacuum conditionsProfessional software supports the functions of automatic backflush unloading and automatic end of the test to ensure the smooth progress of the test process.The system is controlled by a microcomputer and is equipped with an LCD display and a PVC operation panel to facilitate users to quickly conduct test operations and view data.

Test principle

By evacuating the vacuum chamber, the sample immersed in water will generate a pressure difference between the inside and outside, and observe the escape of gas in the sample to judge the sample.Sealing performance; by evacuating the vacuum chamber to create a pressure difference between the inside and outside of the sample, observe the expansion of the sample and the return of the shape of the sample after the vacuum is released.condition to determine the sealing performance of the sample.

Positive pressure seal type

Scope of application

positive pressureTightness testerProfessionally suitable for the sealing strength of various edge sealings such as flexible packages and sterile packages formed by various heat sealing and bonding processes.Quantitative measurement of strength, heat sealing quality, bursting pressure of the whole bag, sealing leakage performance, quantitative measurement of sealing performance of various plastic anti-theft bottle caps, the overall sealing performance, pressure strength, cap body connection strength, tripping strength, heat sealing edge sealing strength, tie strength and other indicators of various hosesQuantitative measurement; at the same time, it can also measure the compressive strength, bursting strength and other indicators of the materials used in flexible packaging bags, bottle cap torque sealing indicators, bottle cap connectionEvaluate and analyze indicators such as the connection tripping strength, the stress strength of the material, and the sealing, pressure resistance, and burst resistance of the entire bottle.

Technical characteristics

The system adopts the positive pressure method testing principle and is controlled by a microcomputer. It is equipped with a menu interface, PVC operation panel and LCD display, making it user-friendly.Perform quick test operations and data viewing

Dual test methods of expansion inhibition and expansion non-inhibition, users can freely choose according to different testing purposes.Multiple test modes including rupture test, creep test, and creep to rupture test meet the different testing needs of users.Optional test ranges, one-click operation and other intelligent designs during the test process make it easy to implement non-standard testsProfessional software supports the function of automatic statistics of detection data.

Mini printer and standard RS232 interface facilitate external link and data transmission between the system and computerSupports Lystem® laboratory data sharing system to uniformly manage test results and test reportsOptional parts: professional software, communication cables, test accessories (restraint plate test device; opening packaging test device; plastic anti-theft bottle cap sealingenergy testing device; hose sealing performance testing device; aerosol valve sealing performance testing device), medicinal blister sealing testing device.

       This article originates from Hiraysi Automation: Hiraysi Automation (http://www.hirays.com) high precisionWaterproof testing equipmentPioneer, focusIt is used in sealing testing equipment such as mobile phone waterproof testing, camera waterproof testing, IP waterproof level testing, wire waterproof testing, speaker waterproof testing, etc.