Breathing Resistance Testing is performed to test the exhalation and inhalation resistance of various types of masks. It used for testing of common mask products like 3 Ply Mask, 

 

Beathing Resistance Tester adopts the latest technology, automatic tests. There is no need to connect external air source, and no need to adjust the instrument manually during the test.The internal sensor of the instrument is the high-precision digital sensor of SMI company (precision 1%), which guarantees the accuracy of the test results.