WHAT IS THE PRINCIPLE OF POSITIVE PRESSURE SEALING TESTER
In daily work and life, we often need to use positive pressure sealing tester. So what is the principle of positive pressure sealing tester? What is the principle of positive pressure seal tester Positive pressure sealing tester is an instrument used to test the sealing performance of product packaging. Its working principle is based on the following two aspects: The positive pressure sealingtester is a positive pressure source (such as gas) that provides stable pressure. After filling a certain pressure of gas into the [...]