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Advanced capillary flow porosity meter

2024-05-21 14:06

Product Introduction:

The advanced capillary flow porosity meter is fully automated and adopts a linear turbulence free test airflow design, measuring pressure close to the sample. Therefore, the correction term in differential pressure measurement is minimized, and the required pressure is uniformly applied to the O-ring seal on the sample. It also reduces the need for hand tightening the cover on the sample chamber, and the automatic addition of wetting liquid greatly reduces testing time. This complex instrument has been applied in various industries. Advanced automatic wavelength monitors provide objective, accurate, and reproducible results, greatly reducing testing duration and requiring minimal operator involvement.

Operating principle:

Wet liquid can spontaneously fill the pores of the sample and replace the liquid in the pores with a non reactive compressed gas. It can accurately measure the gas pressure and flow rate through dry and wet samples. The gas pressure required to remove liquid from the hole and generate gas flow is obtained as follows:

D is the diameter of the hole, γ It is the surface tension of the liquid, θ It is the contact angle of the liquid, and p is the gas pressure difference.

Based on the measured gas pressure and flow rate, the throat diameter, pore size distribution, and gas permeability can be calculated.

Product features:

1. There is no need to cancel the wetting of the sample in the sample room, and the sample is not disturbed during the wetting period, with a transparent visual observation of the test sample room.

2. Significantly reducing testing time, accurately testing the same area, resulting in more accurate and reproducible results.

3. The sample chamber is located at the bottom of the piston rod and contains an O-ring on the outside to prevent leakage between the insert and the sample housing of the sample chamber.

4. Small samples and partial testing have reduced the need for cutting test samples.

5. Many sample geometries (such as bed sheets, rods, tubes, hollow fibers, ink cartridges, and powders).

6. Use many non wetting liquids (such as water, alcohol, silwick, and galwick).

7. User defined patterns for testing quality control, research, or any quantity.

8. Real time graphical display, fully automated and computer-controlled, Windows based software for all control, measurement, data collection, data simplification, and report preparation.


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