Introduction
An air permeability tester is an instrument used to measure the air permeability of fabrics, nonwovens, paper, and other porous materials, which is the rate of air flow through the material under a specified pressure difference, and it is used in the textile, apparel, paper, and filtration industries for quality control and product development. The air permeability is measured by clamping the test specimen over an opening of a specified area, applying a specified pressure difference across the specimen with a fan or pump, and measuring the rate of the air flow through the specimen, which is expressed in units such as cubic centimeters per square centimeter per second or cubic feet per square foot per minute; the tester consists of a test head with a clamp, a fan or suction system, a flow meter, and a pressure gauge, and the measurement follows standardized methods, such as ASTM D737 and ISO 9237 for the air permeability of fabrics, and the result indicates the porosity and the openness of the material, which affect the breathability, comfort, and performance of textiles, the performance of filter media, and the properties of paper; the tester is available with various test areas and pressure ranges, with features such as digital displays and automated measurement. Air permeability testers are used for testing the breathability of apparel and outdoor fabrics, for testing the air permeability of nonwovens and filter media, for testing the air permeability of paper and packaging, for quality control in textile and paper manufacturing, for product development, for specification compliance, and for research. With their measurement of air flow, air permeability testers are essential for evaluating porous materials.
Air Permeability Tester LFAP-T2010
Air Permeability Tester measures air flow with a permeability range of 0.1 to 10,000 mm/s. With a sample pressure ranging from 0 to 4,000 Pa, it is suitable for a diverse array of materi...
Standards
ISO 9237:1995-Textiles-Determination of permeability of fabrics to air
ASTM D737-18-Standard Test Method for Air Permeability of Textile Fabrics
Complies with the above standards, but is not limited to them.
Features
1. Air permeability tester for fabric and material permeability.
2. Tester measuring airflow through materials.
3. For textiles, paper, filters and nonwovens.
4. Includes tester, clamps, flow measurement and manual.
5. Measures air permeability by standardized methods.
FAQ
Q1: What scenarios is this tester used for?
A: It measures airflow through textiles, nonwovens, paper and filter media under controlled pressure for material specification. Customers in related industries rely on it for routine and quality-control work, and we can match the unit to your intended use.
Q2: What standards does it comply with?
A: It follows ASTM D737, ISO 9237, related TAPPI and GB/T standards, with flow and pressure calibrated. The relevant parameters are verified during final inspection before shipment, and compliance documentation or test reports can be provided on request for your quality records.
Q3: What is the warranty?
A: The tester carries a 12 to 24 month warranty covering the instrument. Clamps are wear parts. Damage from misuse is excluded.
Q4: Is it hard to operate?
A: Operation requires trained staff for specimen clamping and reading. We provide a manual and training.
Q5: What is the lead time?
A: Standard models require 7-30 working days. In-stock units can ship within 3-7 working days. Custom configurations or large built-to-order systems may require additional time, and we confirm the exact schedule before order confirmation.
Q6: Is calibration required?
A: Performance should be verified periodically using calibrated reference standards, with results logged in the equipment record. Most users perform this check every 6 to 12 months or according to their internal quality schedule. We provide the procedure, reference materials and formal calibration service if required.
Q7: Are consumables universal?
A: Seals are model-specific, while calibration references are traceable. Ongoing cost is minimal.
Q8: Can it be customized?
A: Yes, several configurations are available. Options include test heads, pressure range and automatic calculation. We can discuss further custom requirements, confirm feasibility and advise any effect on the schedule before the order is confirmed.
Q9: Is installation included?
A: No installation is required. The unit is delivered fully assembled and factory tested, so you only need to place it on a level surface, connect power and follow the quick-start guide. An illustrated manual and setup video are included, and our engineers provide remote guidance if needed.
Q10: What materials are compatible?
A: It handles flat porous materials within the clamp. It is not for non-flat products, impermeable films, or specimens beyond the test head.
Tips: For more details, quotes and customized solutions, please contact us anytime. We’re always ready to serve you professionally.