Product introduction
Used to measure the air permeability of various woven fabrics, knitted fabrics, non-woven fabrics, coated fabrics, industrial filter materials and other breathable leather, plastic, industrial paper and other chemical products. Comply with GB/T5453, GB/T13764, ISO 9237, EN ISO 7231, AFNOR G07, ASTM D737, BS5636, DIN 53887, EDANA 140.1, JIS L1096, TAPPIT251 and other standards.
This manual contains operating procedures and safety precautions. Please read it carefully before installing and operating your instrument to ensure safe use and accurate test results.

Technical specifications
Sample differential pressure range: 1~2400Pa;
Measuring range and division value of air permeability: 0.5~14000mm/s (20cm2), 0.1mm/s;
Measurement error: ≤± 1%;
Thickness of measurable fabric: ≤ 10mm;
Air suction volume adjustment: data feedback dynamic adjustment;
Sample area setting circle: 20cm ²；
Data processing capacity: 3200 times for each batch;
Data output: touch products, A4 Chinese and English printing, reports;
Measurement unit: mm/s, cm3/cm2/s, L/dm2/min, m3/m2/min, m3/m2/h, d m3/s, cfm;
Power supply: Ac220V, 50Hz, 1500W;
Shape: 880mm × 600mm × 920mm（L × W × H）；
Weight: 65Kg

Instrument maintenance
1) The instrument shall not be collided during handling, installation, adjustment and use to avoid mechanical damage that may affect the test results.
2) The instrument must be placed in the working room far away from the vibration source, without obvious air convection, so as to avoid affecting the test results.
3) The instrument is used frequently and should be checked once a week to ensure normal use: if the instrument is used occasionally, or after moving or repairing, it should be checked before the test.
4) The instrument shall be calibrated regularly according to the procedures, and the cycle shall not exceed 12 months.
5) Please contact the manufacturer or ask a professional for repair when there is a fault inside the instrument; The instrument shall be calibrated before delivery. Non professional verification and maintenance personnel shall not disassemble the instrument at will.

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  YG461D intelligent color touch screen semi-automatic air permeability meter (export type)