ASTM D737 Fabric Air Permeability Tester Manufacturer
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Whats/App: +86 156 1874 6768
Web: standard-groups.com
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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