Meets the standards:

GB/T2679.14-1996 Determination of maximum pore size of filter paper and paperboard ; GB/T1967-1996 Test method for pore diameter of porous ceramics ; SJT 10171.10-1991 Determination of maximum pore diameter of diaphragms by bubble test method ;

Technical parameters:

1. Applicable liquids for the test: Isopropanol and industrial ethanol are recommended ( liquid surface tension is involved in the calculation of results, and unknown liquids should not be added arbitrarily ).
2. Sample type: flat tension ;

3. Display method: Touchscreen ;
4. Maximum pressure range: 15 kPa ;

5. Pressure adjustment method: Knob type with display ;
6. Maximum diameter of the test sample: 88mm (with perforated plate and support mesh) ;

7. Effective test area: 20 ± 0.5 cm² (custom sizes available) ;
8. Aperture measuring instrument range: ( 5-500 ) μm ;

9. Aperture display accuracy: 0.1μm ;
10. Pressurization rate: 2-2.5 kPa/min ;

11. Gas cylinder volume: 2.5L ;

12. Liquid level display method: scale lines ;

13. Fixture material: 304 stainless steel ;

14. Power supply voltage: 220V 50Hz ;

15. Pressurized air source: Built-in booster pump;

16. Data printing: Built-in printer;

17. Optional: Stamping type test