Scope of application:It is used to test the air permeability of various materials such as fabric, non-woven fabric, industrial filter cloth, paper and various filter materials.

Applicable standards:GB/T 5453;GB/T 13764；ASTM D737;ASTM D3574;ENIS0 7231;ENISO 9237;BS 5636;DIN 53887;He L1096-A;AFNOR G07-111;EDANA140.1/2;TAPPI T251等.

Technical indicators:

1. Pressure range: 0-300pa;

2．Unit of measurement: mm/s；cfm（ft³/ft²/min）;cm³/Cm²/s；L/m²/s；L/dm²/min；m³/m²/min； m³/m²/h；dm³/S/25cm² ;       

3. Test range: 0.2-12826 mm/s;

4. Display resolution: 0.1;

5. Test accuracy: ≤ ± 2%;

6. Sample thickness: ≤ 12mm;

7. Instrument calibration:Calibration of standard orifice plate;

8. Power supply: AC220V±10%;

9. Power: 1100W;

10. Overall dimension: 450 x710x1000mm;

11. NetHeavy:115kg。

Instrument features: 

1. The test speed is fast, the regular test is about 20-30 seconds;

2. Color touch screen operation, Chinese and English menu display;

3. Can be arbitrarily set different national standard parameters, units, test results without conversion, and can be directly printed out;

4. Fully in line with the standards of all countries in the world, stability, repeatability and reliability have reached the advanced level of foreign countries;

5. Adopt imported pressure sensors of international brands to ensure the accuracy of test data;

6.Adopt mute universal pulley with lock to facilitate moving;

7.The use of a reportable workbench is convenient for testing needs and does not occupy space.