Description Features Equipped with special sample holder, easy to use 7-inch high-definition touch display Built-in micro printer, easy to print experimental results Equipped with high-precision differential pressure sensor, digital display of two samples for measuring differential pressure Equipped with high-precision gas flow control, real-time digital display of flow, stable air flow control and manual setting Product conforms to the third-level authority of GMP users Single and group statistical analysis of test results can be performed With ISP online control and upgrade functions, test function can be changed remotely as required Special computer communication software, real-time display of test data, analysis and processing, data storage