Face Mask Exhalation Valve Air Impermeability Testing Machine

Exhalation Valve Air Impermeability Tester is used to determine the dead space (the volume percentage of CO2 in sucking gas) of protective face mask.

Features:

* High definition colorful touch screen, simple and convenient to operate;
* High sensitivity microtasimeter for acquiring pressure in test;
* High accuracy flow meter for accurately measuring the inward leakage of exhalation valve;