Used to detect the air tightness of the mask breath valve.
Equipped with special sample grip, easy to use.
Built-in HD touch display.
Built-in micro printer, easy to print test results.
Equipped with high-precision differential pressure sensor, digital display of sample leakage and current test pressure.
Equipped with high-precision gas flow control, real-time digital display of air flow to stably control air flow, manually setting available.
Equipped with high-precision vacuum pump to accurately control vacuum pressure.