Filter cartridge pore size tester
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A filter cartridge pore size tester is an industrial testing device primarily used to measure the pore size distribution of filter materials such as filter cloths and membranes. It can output parameters such as maximum pore size, average pore size, and pore size distribution diagrams. Its core principle is based on the gas-liquid or liquid-liquid ejection method, calculating the maximum pore size by detecting the pressure value of bubbles generated when high-pressure side gas penetrates the sample impregnation liquid.
Applications
This instrument is widely used in fields such as determining the effective pore size of geotextiles, testing filter performance, and analyzing the pore structure of catalysts. It complies with standards such as ISO2942-2004 and GB/T14041.1-2007. and features resistive touchscreen operation, temperature compensation, and data storage capabilities. It supports rapid testing and applications in multiple scenarios.
Standards
ISO 2942:2004 — Hydraulic transmission: Filter element — Verification of structural integrity and determination of initial bubble point
GB/T 14041.1-2007 — Hydraulic filter element Part 1: Structural integrity verification and initial bubble point determination
ISO 4003:1990 — Determination of void size for the bubble test of permeable sintered metal materials
GB/T 5249-2013 — Bubble test pore size of permeable sintered metal materials
JB/T 5089.3 — Test Methods for Internal Combustion Engine Paper Filter Element Oil Filter Part III
QC/T 794-2007 — Internal combustion engine industry standard: Filter paper test
CFS/T 8002-2011 — Oil filtration materials — Pore size testing
Features
1. Appearance material: stainless steel panel, aluminum alloy profile frame, laser engraved logo, not easy to fall off.
2、Display: it is resistive touch screen.
Operating system: the new version of Android system, as if the smart operation.
3. test data a key to lock, an interface to complete all operations, easy to get started, 10 minutes to get started.
4. stability: ergonomic design, the use of Germany Festo regulator control valve, improve the stability of the equipment in the operation of the pressure rise rate.
5、"Blow dry"function: reduce the loss of test liquid, shorten the drying time of the test piece, protect the test cartridge.
6、The test state of filter element and filter material can be switched by one key.
7、The machine itself is small and easy to move. Office personnel on the desk that can be used (placed in a position to avoid resonance).
8. temperature compensation: surface tension in the temperature range (18-37 ℃), the program can be self-compensating arithmetic, the test results are not affected by changes in external temperature.
9. built-in 6 kinds of filter material optional reference filtration accuracy.
10、Mass storage: test data can be saved in millions, convenient for querying at any time.
11. print mode: according to the test results, three modes of printing, and can query the historical data and printing at any time.
12. calibration function: comes with calibration port, you can calibrate the error value of the pressure sensor at any time.
Technical Parameters
| Item | Parameter |
|---|---|
| Maximum Test Pressure | 14.99 kPa |
| Pore Size Test Range | 5–120 μm |
| Filter Thickness Range | 0.1–3 mm (custom clamps required for thicker samples) |
| Clamp Outer Diameter | Φ(88 ± 1) mm |
| Clamp Inner Diameter | Φ(72 ± 0.2) mm |
| Sample Liquid Height | (12.5 ± 0.2) mm |
| Test Medium | Isopropyl alcohol, industrial ethanol, or other standard liquids |
| Applicable Sample Forms | Sheet filter material, filter cartridges, filter elements |
| Working Medium | Compressed air (external, powers automatic start/stop) |
| Pressure Adjustment Accuracy | 5–50 Pa |
| Measured Filter Media Diameter | 88 mm |
| Bubble Point Range | 5.8–100 μm |
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