FX 3345 FlexAir

Air Permeability Tester


The first-rate reference list of the globally established
TEXTEST instruments speaks for itself. It mirrors more
than 40 years of experience, know-how, and competence
in research & development. The fourth generation of
Air Permeability Testers for laboratory applications helps
customers to increase productivity and to improve quality.



Mobile Air Permeability Tester with many benefits

The most compact Air Permeability Tester of TEXTEST inspires by its small dimensions, its low weight and its
attractive price. The FlexAir is suitable for measurements of air permeability and pressure drop of contaminated
materials, such as used filters, and for online measurements. The instrument works in accordance with ASTM D
737, DIN 53887, EN ISO 9237, WSP 70.1 and many other national and international test standards.

Benefit thanks to compact design

The FlexAir fits anywhere. For stationary applications it requires little tabletop
space and on the move, it can be transported in the supplied case.

Benefit thanks to memory and evaluation options

The FlexAir can store up to 100 test results in the internal
memory. With an optional evaluation software the data can be
transferred into a PC, where it can be stored, statistically evaluated and documented.

Benefit thanks to flexibility

The easily replaceable test heads expand the measuring
range and thus allow the measurement of most standard
The internal battery makes the FlexAir independent of a stationery power source.