Description Overview Used to determine the breathability of a variety of textile fabrics, including industrial fabrics, non-woven fabrics and other breathable materials Related standards: GB/T 5453, GB/T 13764, ISO 9237, ISO 5636, ASTM D737 etc. Technical Parameters Pressure range: 50 to 3600 Pa Measurable air permeability: 1 to 9999 mm/s Measurement error: ≤ ± 2% Measurable fabric thickness: ≤ 8 mm Air suction volume adjustment: data feedback dynamic adjustment Sample area fixed value circle: 5 cm², 20 cm², 50 cm², 100 cm² (4 pcs) Sample diameter setting circle: Ф50 mm (≈19.6 cm²), Ф70 mm (≈38.5 cm²) Nozzles: 11 in total (codes 00 to 10 with diameters 0.8, 1.2, 2, 3, 4, 6, 8, 10, 12, 16, 20 mm) Data processing capacity: ≤ 99 tests Printer: 80-column narrow-line 24-pin printer Power supply: AC 220V ± 10V, 50 Hz Power consumption: 1200 W Weight: 65 kg Dimensions: 820 × 600 × 1300 mm (L × W × H)