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062021-05Description of measuring time of airtight testerDelay time: Is the delay after starting, waiting for the test tooling to clamp and stabilize.Inflation time: pressurize the measured parts and standard parts, which belongs to adiabatic compression, ...
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292021-03Air tightness tester detects the influencing factors of numerical fluctuationWhen the instrument operates in the following cases, it may cause the flow rate display value to fluctuate, or the detection results are not repetitive.1. The temperature of the inspected part is inco...
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242021-02Basic principle of differential pressure leak measurement methodBasic principle: a certain pressure of the gas, while filling into the same volume of the standard workpiece and the workpiece to be measured, close the valve, after balance and stability, measure th...
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042020-11Smart watch such as how to conduct waterproof testing?With the development of smart technology, smart watches have been more and more widely used in people's lives. The shell of the general smart watch contains more electronic components inside, which re...
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112020-09IP waterproof test methodIn industrial production, especially electronic and electrical products, there will be different levels of dustproof and waterproof requirements for equipment. The shell protection level (IP code / du...
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122020-04Technical review of the registration of breathing line products for anesthesia machine and ventilatorTechnical review of the registration of respiratory lines for anesthesia machines and ventilatorsGuidelines for the preparation of descriptions 1. the purpose of the preparation(1) The purpose of thes...