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Help CenterYS-20E Intelligent Pore Size Tester (Filter Paper Pore Size Tester)
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【Scope of Application】:
1. This instrument is suitable for measuring the maximum and average pore sizes of filter paper.
2. The instrument uses the bubble point method, which is based on the principle of capillary action. By measuring the pressure required for air to force out the liquid from the largest pores in the test material and observing the first bubble, the maximum and average pore sizes can be calculated using the capillary equation and the known surface tension of the liquid at the test temperature.
【Compliant Standards】:
1. QC/T 794-2007 "Industrial Filter Paper for Internal Combustion Engines" (Automotive Industry Standard);
2. GB/T 2679.14-1996 "Determination of Maximum Pore Size of Filter Paper and Paperboard";
3. ISO 2942 "Hydraulic Fluid Power - Filter Elements - Verification of Fabrication Integrity and Determination of the First Bubble Point";
4. ISO 4003 "Permeable Sintered Metal Materials - Determination of Bubble Test Pore Size";
5. Complies with GB/T, ISO, AATCC, and other relevant standards.
【Instrument Features】:
The instrument is compact, lightweight, and portable. It employs advanced electronic technology, allowing parameters to be preset. A large LCD screen displays pressure values and automatically calculates and displays pore sizes. Each operation step is accompanied by text prompts, making it user-friendly. A printer can output the pore size values for each test piece and the average value for a set of up to 10 test pieces.
【Technical Parameters】:
1. Air pressure: 0–20 kPa
2. Test range: 4.494–179.76 μm
3. Pressurization speed: 2–2.5 kPa/min
4. LCD display: 240×128 dot matrix
5. Pressure accuracy: ±1%
6. Pressure resolution: 0.01 kPa
7. Pore size resolution: 0.01 μm
8. Test piece thickness: 0.10–3.5 mm
9. Test area: 10±0.2 cm²
10. Clamping ring inner diameter: Φ35.7±0.5 mm
11. Air storage bottle volume: 2.5 L
12. Instrument dimensions: 275×440×315 mm
13. Power supply: 220 V, 50 Hz
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