High precision airtightness tester

The high-precision airtightness tester has high accuracy (0.02% FS), with a display accuracy of up to 1kPa. It is equipped with an intelligent leak detection system, and can input 1+99 subroutines with one click, which can be called at any time. The operation is simple, easy to learn and understand. There are four detection modes to choose from: direct positive pressure, volume positive pressure, micro positive pressure, and direct negative pressure.