1. Adopt suction air source as the power source of the instrument, not limited by the space of the test site;

2. Medical Face Mask Air Exchange Pressure Difference Tester equipped with high-precision pressure difference sensor, digitally display the pressure difference on both sides of the sample;

3.The special sample holder ensures that the sample is firmly held.

Flow meter range: (0 ~ 10) L/min

Manometer range& accuracy: 0 ~ 1000 Pa, 1 Pa

The internal diameter of the top and bottom holders in contact with specimen: Φ25 mm

Test area: 4.9 cm?

Power: 220 V, 50 Hz, 200 W

Weight: 65 Kg