Air Permeability Tester

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Air Permeability Tester of textile fabrics complies with ASTM D737. ISO 9237/7231. BS 5636. etc. It is used to test the resistance of the flow of air through fabrics. There is different air permeability test method to do air permeability testing for textiles, we can offer all the test methods and competitive price.

Applications

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.

Basic Configuration：

Sample Holder 5cm2;

Sample Holder 20cm2;

Sample Holder 25cm2;

Sample Holder 38cm2;

Sample Holder 50cm2;

Sample Holder 100cm2;

Calibration plate

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.

Features

The testing process is accurate and fast, providing test results easily.

The innovative testing model features a maintenance-free, wear-free range conversion component, ensuring high repeatability and reliability of test results.

IOT technology allows for remote real-time monitoring of the test status, and test reports are simultaneously transmitted to mobile devices for export and printing.

The intelligent human-machine interface provides guided operation, making it easy to use with no learning curve.

Built-in testing standards allow for one-click access to key operating points, ensuring quick and efficient operation.

The device automatically identifies the appropriate test fixture heads for different measurement ranges.

Parameters and units can be freely set according to different national standards, eliminating the need for unit conversion of test results.

High-quality core components, including imported pressure sensors from international brands, further guarantee the accuracy of test data.

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

Test Procedures

1. Sample Preparation

Prepare fabric samples of appropriate size according to testing standards or customer requirements, ensuring the sample surface is flat and free of defects.

2. Setting Test Parameters

Set the test parameters of the testing instrument according to testing standards or customer requirements, such as pressure difference, measurement time, and measurement units.

3. Conducting the Air Permeability Test

Place the sample in the test chamber and start the testing instrument, allowing air to pass through the sample under the preset pressure difference. The testing instrument will automatically record and calculate the speed or flow rate of air passing through the sample.

4. Evaluating Test Results

Evaluate the air permeability performance of the sample according to testing standards or customer requirements. Air permeability rate or air permeability index are typically used to assess the air permeability performance of the sample.

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