Digital Air Permeability Tester

The Digital Air Permeability Tester is a precision instrument designed to measure the air permeability of various fabrics, including industrial textiles, nonwovens, and technical materials. Complying with international standards such as ISO 9237 and ASTM D737, it provides accurate, reliable, and efficient testing results. Featuring an advanced 32-bit MCU, high-accuracy pressure sensors, and an intuitive touch-screen interface, this tester ensures stable performance, quick data transfer, and convenient operation—ideal for quality control and research applications in the textile industry.

Related Standards

Features

• Large measuring range (0.5~10,000mm/s), no need to change test area under normal circumstances;
• Use 32bit Industry-grade MCU (Mitsubishi, Japan), more excellent anti-jamming, more excellent stability, more rapid data transference speed, and data storage up to 99 groups;
• All orifice plates have been calibrated point-by-point in full testing range;
• Directly test on the sample, no need to cut samples;
• Automatically remind when samples are not clamped well, delete the test result when pressing the handle in the testing process;
• Automatically identify the diameter of orifice plate;
• Special designed sample holder accomplish test in box and ensure the yarn without slip;
• With the function of saving data when power down;
• Different sample effective test area is optional (5cm2, 20cm2, 25 cm2, 3cm2, 50 cm2, 100cm2);

Note

• Different orifice plates are available (Φ0.5mm, Φ1.0mm, Φ1.5mm, Φ2.5mm, Φ4.5mm, Φ8.0mm, Φ14.5mm, Φ26mm);
• Branded high accuracy pressure sensor, digital feedback and adjust air volume;
• Touch screen display with mini-printer;
• Equipped with calibration plate, easy for users to check the accuracy of

Key Specification

• Pressure difference range – 50~500Pa
• Measuring range – 0.5~10,000mm/s (L/m2.s)
• Measure accuracy – ≤±3%
• Sample thickness – ≤5mm
• Sample effective test area – Standard: 20 cm2,
  Optional: 5 cm2, 25 cm2, 38.3 cm2, 50 cm2, 100 cm2
• Diameter of orifice plate – Φ0.5mm, Φ1.0mm, Φ1.5mm, Φ2.5mm,
  Φ4.5mm, Φ8.0mm, Φ14.5mm, Φ26mm
• Power supply – AC220V, 50Hz
• Dimensions – 700×510×1010mm (L×W×H)
• Net weight – 100kg

Standard Configuration

Optional Accessories

Why Choose Digital Air Permeability Tester?

Choose the Digital Air Permeability Tester for its exceptional accuracy, versatility, and ease of use. With a broad measuring range of 0.5–10,000 mm/s and no need to change test areas, it offers unparalleled flexibility across different fabric types. Its Japanese Mitsubishi 32-bit MCU guarantees high-speed data processing, excellent stability, and strong anti-interference capabilities. Automatic sample detection, built-in data storage, and digital air volume adjustment enhance efficiency and reliability. The instrument also features a touch-screen display, mini printer, and calibration plate for precise, user-friendly operation. Designed for professional laboratories and manufacturers, it ensures consistent, standard-compliant results and long-term dependability.