- Wuxi Serve Real Technology Co., Ltd.
-
Wuxi, Jiangsu, China
- Main products: Concrete & Cement test equipments, Road & Traffic test equipments, Asphalt Testing Instruments, Material testing machines, Geotechnical test equipments, Geotextiles test equipments, Aggregate and rock test equipments, Building material test equipment, Petroleum and drilling fluids instrument, Fabrics and textiles test equipments, Flammability chambers, General Lab equipments
Home > Products > Ceramics test equipment > DZK Porous Ceramic Aperture Diameter Tester Ceramic channel diameter tester GB/T1967-1996
DZK Porous Ceramic Aperture Diameter Tester Ceramic channel diameter tester GB/T1967-1996
US$ 2000 - 3000
/ Set
1 Set(Min. Order)
- shanghai
- T/T L/C D/P D/A Credit Card PayPal Cash Escrow Other
- 7 days
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Product Details
| Brand Name | Serve Real | Place of Origin | China | |
| Power | Other, Manual | Usage | Other, Ceramics testing |
Product Description
The instrument is mainly composed of three parts: gas supply cylinder, electrical control box and specimen fixture. The precision low-range digital pressure measurement system is used to accurately measure the test pressure value. The test gas is compressed air or nitrogen, and the specimen grip is suitable for specimens with a cylindrical cross-section, and the grips ensure that the gas can only pass through the pores of the specimen during the test and does not leak from the edge of the specimen.
How it works:
In this method, the pore size of the membrane is determined by using the principle of capillary action by gas bubble pressure method, and the surface tension of the sizing affects the size of the measured pore size. According to the principle of capillary action, when the capillary with radius r is wetted by liquid A with a surface tension of σ, the relationship between P2 and P1 can be described by the Laplace equation when the relative pressure of the capillary liquid P2 and the pressure P1 of the gas phase (liquid B is the gas phase) reach static equilibrium:
ΔP=P2-P1=2σcosθ/r is the contact angle (the contact angle of the cylindrical is 0)
When the pressure difference between the two ends of the pore is greater than 2σcosθ/r, the liquid in the capillary will be removed, and the gas bubble pressure method is based on this principle to determine the pore size of porous materials. In the actual measurement, a liquid with known surface tension fully (saturates) wets the porous ceramic material pores (vacuumed or boiled), fixes the pressure at one end of the porous material, and creates a pressure difference with air or nitrogen at the other end. When the pressure difference is large to a certain value, the maximum pore size of the porous material is opened first, and the pore size is calculated according to the above formula.
Main technical parameters:1. Flow metering range: 6ml~3600ml/min
2. The test pressure is adjustable from 0-2MPa
3. The measurement accuracy of the digital pressure gauge: 1±%c/o, the unit of measurement Pa
4. Standard specimen specifications: diameter: ?30±0.5mm
5. Power supply voltage: 220V 50HZ.
Configuration: including one DKZ test host and one sample fixture.
Contact Us
- Wuxi Serve Real Technology Co., Ltd.
- Contact nameKira Chat Now
- Addressxishan, Wuxi, Jiangsu
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