Liyi Laboratory Textile Digital Fabric Air Permeability Tester
Product Overview
The Liyi Fully Automatic Fabric Air Permeability Testing Machine is
designed for determining the resistance to air passage of woven,
knitted, non-woven fabrics, and most textile materials.
Compliance Standards
GB/T5453, GB/T13764, ISO9237, DIN 53887, JIS L1096, BS5636,
ISO7231, ISO5636, BS5636, ASTM D737
Key Features
- 32-bit Industry-grade MCU (Mitsubishi, Japan) for superior
anti-jamming capability and stability
- Rapid data transfer speed with storage capacity for up to 99 test
groups
- Microcomputer control system with high-accuracy pressure sensors
- Digital feedback and automatic air volume adjustment
- Automatic follow, measurement, and display of pressure differences
with high stability and repeatability
- All nozzles calibrated point-by-point across full testing range for
maximum accuracy
- Large high-definition LCD display showing all test data without
manual calculation
Technical Specifications
| Parameter | Specification |
|---|
| Pressure Range | 1~4000Pa |
| Air Permeability Measuring Range | 1~40000mm/s |
| Measuring Error | ≤±2% |
| Test Sample Thickness | ≤12mm |
| Sample Test Area | 5cm²; 20cm²; 50cm²; 100cm² Dia50mm(≈19.6cm²) Dia70mm(≈38.5cm²) |
| Units | mm/s, cm³/cm²/s, L/m²/s, L/dm²/s, L/dm²/min, m³/m²/min |
| Nozzles | 11 pieces (d0.8, 1.2, 2, 3, 4, 6, 8, 10, 12, 16, 20mm) |
| Power | AC 220V±10V 50Hz 2KW |
| Dimensions | 1250×700×1250mm (L×W×H) |
| Weight | 85kg |
Product Images
Manufacturer Information
Dongguan Liyi Environmental Technology Co., Ltd is a
high-technology production-oriented enterprise specializing in
developing, manufacturing, and marketing various environmental
testing equipment. With advanced technology, experienced technical
management personnel, and efficient professional service staff, we
maintain fine quality management and a comprehensive after-sales
service system.
Our product range includes simulated environmental testers, plastic
and rubber testers, and various materials testing equipment for
multiple industries. Our production base is located in Dongguan,
Guangdong province, China, with an additional office in Kunshan,
Jiangsu province serving Eastern China markets.
Liyi serves customers from over 150 countries and regions
worldwide, collaborating with dealers to provide superior service.
Our mission is to help customers establish testing laboratories to
ensure product quality through continuous development, innovation,
and adherence to international testing standards.

Frequently Asked Questions
Are you a manufacturer? Do you offer after-sales service? How can I
request service? What is the warranty?
Yes, we are a professional manufacturer of environmental chambers,
industrial ovens, universal tensile testers, UV aging test
chambers, industrial muffle furnaces, paper packing testers,
plastic rubber testers, adhesive testers, and other testing
equipment. Every machine purchased from our factory includes a
12-month warranty after shipment. We offer 12 months of free
maintenance, extended to 14 months to account for sea
transportation.
If your machine experiences issues, contact us via email or phone.
We will troubleshoot the problem through conversation or video chat
if necessary, providing solutions within 24 to 48 hours after
problem confirmation.
What is the delivery term?
Standard machines are typically available from warehouse stock. For
out-of-stock items, delivery time is 15-20 working days after
deposit receipt. We can arrange expedited delivery for urgent
requirements.
Do you accept customization service? Can I have my logo on the
machine?
Yes, we offer both standard and customized machines according to
customer requirements. We provide OEM and ODM services, including
applying your logo to the equipment.
How can I install and use the machine?
After ordering, we provide English operation videos via email. Most
machines are shipped fully assembled - simply connect the power
cable to begin operation. We also offer on-site installation
assistance when necessary.
