Cyclic Compression Porometer
The instrument applies cyclic stress on a sample and measures the pore structure characteristics after a desired number of cycles. The stress cycles and testing after any desired number of cycles are automatically continued.
Operation Principle
The instrument applies cyclic stress on a sample and measures the pore structure characteristics after a desired number of cycles. The sample is loaded in the sample chamber and is subjected to stress cycles in the specified stress limits. At the end of the desired number of stress cycles, the pressure of a non-reacting gas on one side of the sample is increased to initiate gas flow through pores. The gas pressure and flow rates are measured. The pores in the sample are spontaneously filled by a wetting liquid. The gas pressure and flow rates are measured through the wet sample. After acquisition of data, the sample is re-wetted and again subjected to cyclic compression. Pressure and flow rates are measured after the desired number of cycles. The test is continued to acquire data as a function of number of stress cycle.
Application
The Cyclic Compression Porometer is used to test the sample and measure the maximum pore diameter, mean flow pore diameter and pore distribution. Theses data represents the actual characteristics of pore structure.
Applied industries：
Automobile manufacturing
Fuel battery pack
Paper
Battery separator
Geofabrics
Filtration
Nonwoven
Wool felt
Features
acquires data, continues to cyclically stress the sample
Very little operator involvement
Operator adjustable: stress limits in a cycle; number of cycles after which data is to be acquired ; stress free duration for data acquisition ; total number of cycles.
Concurrent measurement of compressive stress in the sample as a function of stress cycle.
Technical Parameters
Operation Principle
The instrument applies cyclic stress on a sample and measures the pore structure characteristics after a desired number of cycles. The sample is loaded in the sample chamber and is subjected to stress cycles in the specified stress limits. At the end of the desired number of stress cycles, the pressure of a non-reacting gas on one side of the sample is increased to initiate gas flow through pores. The gas pressure and flow rates are measured. The pores in the sample are spontaneously filled by a wetting liquid. The gas pressure and flow rates are measured through the wet sample. After acquisition of data, the sample is re-wetted and again subjected to cyclic compression. Pressure and flow rates are measured after the desired number of cycles. The test is continued to acquire data as a function of number of stress cycle.
Application
The Cyclic Compression Porometer is used to test the sample and measure the maximum pore diameter, mean flow pore diameter and pore distribution. Theses data represents the actual characteristics of pore structure.
Applied industries：
Automobile manufacturing
Fuel battery pack
Paper
Battery separator
Geofabrics
Filtration
Nonwoven
Wool felt
Features
acquires data, continues to cyclically stress the sample
Very little operator involvement
Operator adjustable: stress limits in a cycle; number of cycles after which data is to be acquired ; stress free duration for data acquisition ; total number of cycles.
Concurrent measurement of compressive stress in the sample as a function of stress cycle.
Technical Parameters
| Items | Parameters |
| Pore Size Range | 0.013 - 500 microns |
| Permeability Range | 1 x 10-3 - 50 darcies |
| Sample size | 1.75” - 2.5” diameter |
| Pressure range | 0~500psi |
| Pressurizing gas | Clean, dry, and compressed air or nonflammable and noncorrosive gas |
| Pressure transducer range | 0~500psi |
| Resolution | 1 in 60,000 |
| Accuracy | 0.15% of reading |
| Mass flow controller range | 10cc/minute~100cc/minute |
| Power supply | 110/220VAC，50/60Hz (Others Available) |
| Dimension | D30” H x 19” W x 18.5” D |
| Weight | 100lbs |
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