Air Permeability Tester
The Air Permeability Tester accurately and swiftly determines the resistance of fabrics (woven, knitted and nonwoven textile) 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 air permeability of the fabric is calculated automatically within a short time.
Standards
BS 5636:UK standard for fabric air permeability testing.
JIS L1096-A:Japanese method measuring textile air permeability.
DIN 53887:German test for material (textile/paper) air permeability.
ASTM D737:US standard evaluating textile air permeability.
ASTM D3574:Flexible foam material physical property assessment.
EN ISO 9237:European textile air permeability test protocol.
GB/T 5453:Chinese fabric air permeability measurement standard.
EDANA 140.2:Nonwoven air permeability test (EDANA specification).
TAPPI T251:Paper/board air resistance evaluation (US).
EDANA 140.1:Nonwoven material performance testing (EDANA).
AFNOR G07-111:French material air permeability assessment.
ISO 7231:International air permeability standard for materials.
Technical Parameters
| Item | Technical Parameters |
|---|---|
| 1 | Test head: 5cm², 20cm², 25cm², 38cm², 50cm², 100cm² |
| 2 | Test mode: Automatic |
| 3 | Pressure range: 10-3000Pa |
| 4 | Air velocity: 0.1-40000mm/s (5cm²) |
| 5 | Test time: 5-50s |
| 6 | Deceleration time: 3s |
| 7 | The total test time: 10-58s |
| 8 | Minimum pressure: 1Pa |
| 9 | Maximum pressure: 3000Pa |
| 10 | Accuracy: ±2% |
| 11 | Measurement units: mm/s, cfm, cm³/cm²s, l/m²s, l/dm²/min, m³/m²/min and m³/m²/h |
| 12 | Data port: RS232C |
| 13 | Pressure system: automatic pressure adjustment (available for larger test area) |
| 14 | Mute suction pump |
| 15 | Automatic identification system for test head and automatic adjustment for pump |
| 16 | Custom setting function for actual need |
| 17 | Automatic switch between coarse and fine adjustments. Fully enclosed pipe ensures leakage lower than 0.1l/m²s |
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