Fabric air permeability tester
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Fabric Air Permeability Tester
Fabric Air Permeability Tester is a lab instrument used to measure how easily air passes through a fabric. It quantifies the air permeability, which is crucial for evaluating breathability, comfort, and functional performance in textiles.
Purpose Fabric Air Permeability Tester:
It determines the rate of airflow through a fabric sample under a set air pressure, typically reported in units like cm³/cm²/s or L/m²/s.
Working Principle:
The tester creates a pressure difference across the fabric sample and measures the volume of air flowing through it. Higher air permeability means the fabric is more breathable.
Main Components of Fabric Air Permeability Tester:
– Test Head / Clamp: Holds the fabric securely without leakage.
– Pressure Regulator: Maintains a constant air pressure during testing.
– Flow Meter or Digital Sensor: Measures the actual airflow rate through the fabric.
– Display Unit: Shows readings of air permeability instantly.
Applications of Fabric Air Permeability Tester:
– Performance textiles (sportswear, PPE)
– Technical fabrics (filters, tents, airbags)
– Medical textiles (masks, gowns)
– Nonwovens and industrial materials
Benefits of Fabric Air Permeability Tester:
- Accurate Breathability Measurement – Precisely measures how breathable a fabric is, essential for comfort and performance.
- Supports Quality Control – Ensures consistent air permeability in fabric batches, critical for products like PPE, sportswear, and filters.
- Enhances Product Design – Helps in selecting or engineering fabrics with the right airflow properties for specific uses.
- Standard Compliance – Conforms to international testing standards (e.g., ASTM D737, ISO 9237), ensuring global credibility.
- Quick and Reliable Testing – Provides rapid results, increasing lab efficiency and production decision-making speed.
- Wide Material Compatibility – Suitable for woven, nonwoven, knitted fabrics, and even paper or coated materials.
- Improves Functional Performance – Helps optimize products for ventilation, moisture control, and thermal comfort.
- Reduces Product Failure – Identifies underperforming fabrics early, minimizing risks in high-performance applications.
Features of Fabric Air Permeability Tester:
- Digital Display – Shows air permeability readings clearly in units like L/m²/s or cm³/cm²/s.
- Precise Test Head/Clamp – Provides an airtight seal to prevent air leakage and ensure accurate results.
- Adjustable Pressure Settings – Allows testing under various pressure drops (e.g., 10–2500 Pa), depending on fabric type.
- Automatic Airflow Measurement – Built-in sensors or flow meters capture airflow rate automatically for quick analysis.
- Multiple Test Area Sizes – Interchangeable test plates to match different sample sizes and standard requirements.
- Data Logging and Export – Some models include USB or software connectivity for storing and exporting test results.
- Standard Compliance – Conforms to ASTM D737, ISO 9237, BS 5636, DIN 53887, etc.
- Robust Construction – Built with corrosion-resistant materials and durable components for long-term lab use.
- Low Maintenance – Simple cleaning and calibration process for reliable performance.
- Compact and User-Friendly Design – Ideal for lab benches and easy operation with minimal training.
How to Use Fabric Air Permeability Tester:
- Prepare the Sample – Cut the fabric sample to the required size (usually circular, e.g., 20 cm²).
- Mount the Sample – Place the fabric securely in the test clamp or holder, ensuring no wrinkles or gaps.
- Set Test Parameters – Adjust the air pressure drop according to the fabric type or standard (e.g., 100 Pa).
- Start the Test – Turn on the air supply and start the airflow through the fabric.
- Read the Measurement – The digital display will show the air permeability value in the selected units.
- Record the Results – Note the readings or export data if the device supports it.
- Repeat if needed – Test multiple samples or areas for accuracy and average the results.
- Clean and Maintain – After testing, clean the clamp and ensure the device is calibrated regularly.
Tip: Ensure the test environment maintains standard temperature and humidity for consistent results.
Fabric Air Permeability Tester
Appliance Range
It is used to TEST the air permeability of various textile fabrics, including industrial fabrics, nonwoven fabrics and other textile products and other breathable materials.
Related Standards
GB / T 5453, GB / T 13764, ISO 9237, ISO 5636, ASTM D737, etc.
Instrument characteristics
1. Automatic sample clamping, automatic nozzle replacement, and quick test.
2. Microcomputer processing, the test results are displayed directly, without manual table calculation;
3. Built-in continuous test mode, the test unit can be switched as needed.
4. Chinese LCD menu operation, configure computer interface.
Technical parameter
1. Range of sample pressure difference: 1 ~ 4000Pa
2. Measurable air permeability: 1 ~ 40,000mm / s
3. Measurement error: ≤ ± 2%
4. Measurable fabric thickness: ≤8mm
5. Test area: 5cm2; 20cm2; 50cm2; 100cm2
Ф50mm (≈19.6cm2)
Ф70mm (≈38.5cm2)
6. Nozzles: 11 in total (automatic replacement of digital setting)
CODE 00 01 02 03 04 05 06 07 08 09 10
DIAφ(mm)
0.8 1.2 2 3 4 6 8 10 12 16 20
7.Data Capacity:≤200 times tests
8.Power Supply:AC220V 50Hz 2KW
9.Weight:80Kg
10.Shape:1250×700×1250mm
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Brand: Hanna Model: HI2002 Country of Manufacture: Romania Origin: USA
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Single parameter of Digital Bench top PH Meter features user-friendly tablet design with bench, portable or wall mount options for ultimate flexibility. Switch from portable to bench in the same procedure or clear the surface for easier working and hang on the wall. Digital Bench top PH Meter Range -2.00 to 16.00pH; pH Digital smart electrode compatible Accuracy: ±0.01 pH edge® pH is dedicated to testing pH. Using Hanna's latest innovation in technology and design, edge® can be adapted to suit your working method. Select from hand held, wall mount or bench top - or switch between them all. edge® is happy any which way. Simply plug in the electrode, then play. Measurement is simpler, quicker and more accurate than ever. Results are fast and reliable. Combining high precision technology with the user-friendly dimensions and format of a small digital tablet, edge® is breaking new ground in electrochemistry. This is a must-have meter for your laboratory.pH Range | basic mode: -2.00 to 16.00 pH; standard mode: -2.000 to 16.000 pH | |
Resolution | basic mode: 0.01 pH; standard mode: 0.001 pH | |
Accuracy (@25°C) | basic mode: ±0.01 pH; standard mode: ±0.002 pH | |
Calibration | basic mode: automatic, up to three points calibration, 5 standard buffers available; standard mode: automatic, up to five point calibration, 7 standard buffers available and two custom buffers | |
Temperature Compensation | automatic, -5.0 to 100.0°C (using integral temperature sensor) | |
Electrode Diagnostics | standard mode: probe condition, response time and out of calibration range | |
mV pH Range | ±1000 mV | |
Resolution | 0.1 mV | |
Accuracy (@25°C) | ±0.2 mV | |
ORP Range | ±2000 mV | |
Resolution | 0.1 mV | |
Accuracy (@25°C) | ±0.2 mV | |
Temperature Range | -20.0 to 120.0°C | |
Resolution | 0.1°C | |
Accuracy | ±0.5°C | |
Additional Specifications: | ||
Probe | HI-11310 digital glass body pH electrode with 3.5mm connector and 1m cable | |
Logging | up to 1000 (400 for basic mode) records organised in: manual log-on demand (max. 200 logs), manual log-on-stability (max. 200 logs), interval logging (max. 600 samples; 100 lots) | |
Connectivity | 1 USB port for storage; 1 micro USB port for charging and PC connectivity | |
Environment | 0 to 50°C; RH max 95% non-condensing | |
Power Supply | 5 VDC adapter (included) | |
Dimensions | 2020 x 140 x 12 mm | |
Weight | 250 g |
- High Accuracy and Resolution
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- Electrode System - Uses a pH-sensitive electrode (usually glass) connected to a reference electrode. Electrodes are often replaceable and require regular calibration and maintenance.
- Temperature Compensation - Automatic or manual temperature compensation to correct pH readings based on sample temperature. - Integrated temperature sensors or separate probes are used.
- Calibration Functions - Supports 2-point, 3-point, or multi-point calibration using standard buffer solutions. - Auto-recognition of calibration buffers in advanced models.
- Data Storage and Connectivity - Internal memory for storing results. - USB or RS232 ports for data export to PCs or printers; some models support wireless connectivity.
- Sturdy Design - Benchtop models are larger and more stable than portable meters. - Often come with a durable casing and electrode arm for hands-free operation.
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- User-Friendly Interface- Digital displays (LCD/LED) make readings easy to see and interpret.- Many models offer intuitive controls and guided calibration, simplifying operation.
- Advanced Calibration Features- Supports multi-point calibration for improved accuracy across a wide pH range.- Some models automatically recognize buffer solutions, reducing user error.
- Temperature Compensation- Automatic temperature compensation (ATC) corrects readings based on sample temperature, ensuring accuracy.
- Stable and Durable Design- Benchtop units are more robust and stable than handheld devices, reducing the risk of spills or tipping.- Often include electrode holders or arms for secure, hands-free measurements.
- Data Management and Connectivity- Built-in memory for storing measurement data.USB, RS232, or wireless connectivity for exporting data to computers or laboratory information systems (LIS).
- Multi-Functionality- Some models also measure ORP (oxidation-reduction potential), ion concentration, or conductivity.- Suitable for a variety of testing needs beyond just pH.
- Ideal for Long-Term Use- Designed for prolonged and repeated use in laboratory environments.- Replaceable electrodes and parts extend the meter’s usable life.
- Compliance and Documentation- Data logging features support documentation and compliance with regulatory standards in regulated industries (e.g., pharma, food, environmental testing).