The main purpose of drug leakage detection in pharmaceutical industry is to prevent the loss of products, the invasion of microorganisms, and to limit the entry of harmful gases or other substances. The FDA pointed out that in the stability test program of sterile products, the integrity test of containers and closed systems should be used to replace the sterility test (microbial challenge), and the sterility test technology should be used to replace the traditional destructive technology.

At present, according to the different products and functions of users, pinhong leak detector is divided into vacuum attenuation leak detector, high voltage discharge leak detector, laser head space leak detector, quality extraction leak detector, etc.