Air permeability tester to determine the resistance of fabrics (woven, knitted and non-woven textile materials) to the passage of air (air flow) under constant pre-set air pressure while firmly clamped in the test rig of selected test head/area.
The specimen is loaded to the test area of the instrument easily by means of a pneumatic holder, by pressing down the holder to start the test.
Equipped with a vacuum pump to draw air through an automatic interchangeable test head with a circular opening.
The pre-selected test pressure is automatically maintained, and after a few seconds the air permeability of the test specimen is digitally displayed in the pre-selected unit of measure on the touch panel.
After test the holder is released and the vacuum pump is shut off.
Specifications
Can be controlled by the touch panel.
Test result is displayed on touch panel, units can be shifted.
Equipped with printing function.
11 nozzles are included.
Test heads: 5 cm², 20 cm², 50 cm², 100 cm² and diameters of 50 mm (25 sq.cm), 70 mm (38 sq.cm).
Measuring range: 0.1 to 12000 mm/s (l/m².s).
Test pressure: 1 to 4000 Pa.
Max thickness of specimen: ≤ 8 mm.
Measuring accuracy: < +/- 2%.
Standards: ASTM D737, ISO 9237/7231, BS 5636, JIS L 1096A, DIN 53887, EDANA 140.1, AFNOR G07-111, TAPPI T251, GB/T 5453 / 13764, GB/T13764.
Power: 220/110 V, 50/60 Hz, 400 W.
Weight: 120 kg.
Dimensions: 600 x 700 x 1100 mm (L x W x H).
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